US20070094891A1 - Ventilated shoe - Google Patents
Ventilated shoe Download PDFInfo
- Publication number
- US20070094891A1 US20070094891A1 US11/259,928 US25992805A US2007094891A1 US 20070094891 A1 US20070094891 A1 US 20070094891A1 US 25992805 A US25992805 A US 25992805A US 2007094891 A1 US2007094891 A1 US 2007094891A1
- Authority
- US
- United States
- Prior art keywords
- tongue
- bladder
- heel
- air
- sole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/06—Footwear with health or hygienic arrangements ventilated
- A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
- A43B7/081—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures the air being forced from outside
Definitions
- the present invention uses a person's foot movement to pump air for ventilating the forward area of a user's feet.
- the present invention relates to ventilated shoes and more specifically to a ventilated shoe that uses both the top of the foot and the foot's heel strike to ventilate a shoe.
- the general purpose of the ventilated shoe is to provide a ventilated shoe which has many novel features that result in an improved ventilated shoe which is not anticipated, rendered obvious, suggested, or even implied by prior art, either alone or in combination thereof.
- the invention comprises a ventilated shoe comprising a flexible sole and shoe upper with a tongue.
- the invention can be employed in almost any kind of shoe.
- An air bladder is positioned in the sole heel.
- Another air bladder is disposed in the tongue.
- Each bladder is provided with an air intake.
- the air intake for the heel bladder is preferably in the upper area of the shoe's upper heel.
- the air intake for the tongue bladder is preferably at the top of the tongue.
- a one-way check valve is disposed between each air intake and its respective bladder, providing for air flow into each bladder but not back out the intake.
- a one-way check valve is also disposed between each bladder and each set of discharge vents in the toe area.
- the one-way check valves allow for air to be transferred from the bladder to the discharge vents but not to return to the bladder.
- a plurality of discharge vents is provided in the bottom area of the tongue, to ventilate the toes area of a user.
- a plurality of discharge vents is provided in the toe area of the sole for the same purpose.
- the front top of the foot pushes against the tongue bladder, providing for the bladder to compress to transfer air to the tongue discharge vents.
- the front of the foot does not pressure the tongue bladder, thereby providing for bladder expansion and air intake through the tongue bladder intake.
- FIG. 1 is a side elevation view and partial cross sectional view of the invention worn by a user.
- FIG. 2 is a side elevation view and partial cross sectional view of the invention in use, showing the heel bladder filling with air and the tongue bladder discharging air through the tongue discharge vents.
- FIG. 3 is a side elevation view and partial cross sectional view of the invention in use, showing the heel bladder discharging air through the sole discharge vents and the tongue bladder filling with air through the tongue air intake and check valve.
- FIG. 4 is a top plan view of the sole containing the sole bladder and air passage to the sole discharge vents.
- FIG. 5 is a top plan view of the tongue bladder and tongue discharge vents.
- FIGS. 1 through 5 example of the ventilated shoe employing the principles and concepts of the present invention and generally designated by the reference number 10 will be described.
- the invention 10 comprises a flexible sole 16 with a shoe upper 14 affixed to the sole 16 .
- the tongue 12 is disposed typically in the shoe upper 14 .
- the air heel bladder 24 is disposed in the heel of the sole 16 .
- An air intake 26 communicates with the heel bladder 24 .
- the heel bladder intake 26 is disposed upwardly in an upper heel portion of the shoe upper 14 .
- a one-way check valve 22 is disposed between the air intake 26 and the heel bladder 24 , whereby air is drawn into the heel bladder 24 but cannot pass back to the air intake 26 .
- a plurality of discharge vents 30 is disposed in a toe area of the sole 16 ( FIG. 4 ).
- the vents 30 communicate with the heel bladder 24 via the air passage 28 .
- a one-way check valve 22 is disposed between the sole 16 vdischarge vents 30 and the heel bladder 24 , whereby air passes out of the heel bladder 24 to the sole 16 discharge vents 30 but cannot pass back from the sole 16 discharge vents 30 to the heel bladder 24 .
- Pressure on the heel of the sole 16 forces air out of the heel bladder 24 and out of the discharge vents 30 of the sole 16 .
- An air tongue 12 bladder 24 is disposed in the tongue 12 ( FIG. 5 ).
- An air intake 26 disposed at the top of the tongue 12 communicates with the tongue bladder 24 .
- a plurality of air discharge vents 30 is disposed in a toe area of the tongue 12 .
- the discharge vents 30 communicate with the tongue bladder 24 , whereby pressure from an upper area of a user's foot 60 against the tongue 12 causes air to be pushed from the tongue 12 bladder 24 and out of the tongue 12 discharge vents 30 .
- a one-way check valve 22 is disposed between the air intake 26 and the tongue 12 bladder 24 , whereby air is drawn into the tongue 12 bladder 24 but cannot pass back to the air intake 26 .
- a one-way check valve 22 is disposed between the tongue 12 discharge vents 30 and the tongue 12 bladder 24 , whereby air passes out of the tongue 12 bladder 24 to the tongue 12 discharge vents 30 but cannot pass back from the tongue 12 discharge vents 30 to the tongue 12 bladder 24 .
- the user's heel is off of the contact surface.
- the elevated heel of the invention 10 provides for the heel bladder 24 to fill via the air intake 26 , through the one-way check valve 22 .
- the one-way check valve 22 between the heel bladder 24 and the air passage 28 prevents air from flowing from the discharge vents 30 of the sole 16 into the heel bladder 24 .
- the pressure of the upper foot 60 of the user causes the tongue 12 bladder 24 to force air through the lower tongue 12 check valve 22 and out of the tongue 12 discharge vents 30 .
- the heel strike of the invention 10 causes the heel bladder 24 to force air through the one-way check valve 22 into the air passage 28 . Air thereby flows to and out of the discharge vents 30 .
- the one-way check valve 22 between the air intake 26 of the heel bladder 24 prevents air from exiting the heel bladder 24 through the air intake 26 .
- the lack of foot 60 pressure on the tongue 12 causes the tongue bladder 24 to fill via the air intake 26 and the one-way check valve 22 .
- the alternate motions of heel strike versus forefoot strike thereby ventilates a user's foot 60 .
Abstract
A ventilated shoe comprising a flexible sole and shoe upper with a tongue, an air bladder in the sole heel and in the tongue, air intakes for each bladder, one-way check valves in each air intake, check valves between each bladder and each set of discharge vents in the toe area, one in the tongue and one in the sole, whereby movement of the user provides air intake and consequent air expulsion through the discharge vents to cool a user's foot.
Description
- Most shoes are inherently poor regarding foot ventilation. Proper foot support typically negates ventilation. Various shoe designs have been utilized in efforts to alleviate this problem. Some even involve systems and devices for pumping air around the foot. Air flow is most needed in the toe region, as this is the area of shoes which sees the least ventilation possibilities. The present invention uses a person's foot movement to pump air for ventilating the forward area of a user's feet.
- The present invention relates to ventilated shoes and more specifically to a ventilated shoe that uses both the top of the foot and the foot's heel strike to ventilate a shoe.
- The general purpose of the ventilated shoe, described subsequently in greater detail, is to provide a ventilated shoe which has many novel features that result in an improved ventilated shoe which is not anticipated, rendered obvious, suggested, or even implied by prior art, either alone or in combination thereof.
- To accomplish this, the invention comprises a ventilated shoe comprising a flexible sole and shoe upper with a tongue. The invention can be employed in almost any kind of shoe. An air bladder is positioned in the sole heel. Another air bladder is disposed in the tongue. Each bladder is provided with an air intake. The air intake for the heel bladder is preferably in the upper area of the shoe's upper heel. The air intake for the tongue bladder is preferably at the top of the tongue. A one-way check valve is disposed between each air intake and its respective bladder, providing for air flow into each bladder but not back out the intake. A one-way check valve is also disposed between each bladder and each set of discharge vents in the toe area. The one-way check valves allow for air to be transferred from the bladder to the discharge vents but not to return to the bladder. A plurality of discharge vents is provided in the bottom area of the tongue, to ventilate the toes area of a user. A plurality of discharge vents is provided in the toe area of the sole for the same purpose. When a user's heel is off of a contact surface, expansion of the heel bladder causes air intake of the heel bladder. When a user's heel contacts a surface, the heel bladder is compressed and thereby transfers air to the discharge vents of the sole, thereby aerating a user's foot.
- When the user lifts a foot, the front top of the foot pushes against the tongue bladder, providing for the bladder to compress to transfer air to the tongue discharge vents. When the user's heel contacts a surface, the front of the foot does not pressure the tongue bladder, thereby providing for bladder expansion and air intake through the tongue bladder intake.
- Thus has been broadly outlined the more important features of the ventilated shoe so that the detailed description thereof that follows may be better understood and in order that the present contribution to the art may be better appreciated.
- Numerous objects, features and advantages of the ventilated shoe will be readily apparent to those of ordinary skill in the art upon reading the following detailed description of presently preferred, but nonetheless illustrative, examples of the ventilated shoe when taken in conjunction with the accompanying drawings. In this respect, before explaining the current examples of the ventilated shoe in detail, it is to be understood that the invention is not limited in its application to the details of construction and arrangements of the components set forth in the following description or illustration. The invention is capable of other examples and of being practiced and carried out in various ways. It is also to be understood that the phraseology and terminology employed herein are for purposes of description and should not be regarded as limiting.
- Those skilled in the art will appreciate that the conception upon which this disclosure is based may readily be utilized as a basis for the design of other structures, methods and systems for carrying out the several purposes of the ventilated shoe.
- It is therefore important that the claims be regarded as including such equivalent constructions insofar as they do not depart from the spirit and scope of the present invention.
- Objects of the ventilated shoe, along with various novel features that characterize the invention are particularly pointed out in the claims forming a part of this disclosure. For better understanding of the ventilated shoe, its operating advantages and specific objects attained by its uses, refer to the accompanying drawings and description.
-
FIG. 1 is a side elevation view and partial cross sectional view of the invention worn by a user. -
FIG. 2 is a side elevation view and partial cross sectional view of the invention in use, showing the heel bladder filling with air and the tongue bladder discharging air through the tongue discharge vents. -
FIG. 3 is a side elevation view and partial cross sectional view of the invention in use, showing the heel bladder discharging air through the sole discharge vents and the tongue bladder filling with air through the tongue air intake and check valve. -
FIG. 4 is a top plan view of the sole containing the sole bladder and air passage to the sole discharge vents. -
FIG. 5 is a top plan view of the tongue bladder and tongue discharge vents. - With reference now to the drawings, and in particular
FIGS. 1 through 5 thereof, example of the ventilated shoe employing the principles and concepts of the present invention and generally designated by thereference number 10 will be described. - Referring to
FIG. 1 , theinvention 10 comprises aflexible sole 16 with a shoe upper 14 affixed to the sole 16. Thetongue 12 is disposed typically in the shoe upper 14. The airheel bladder 24 is disposed in the heel of thesole 16. Anair intake 26 communicates with theheel bladder 24. Theheel bladder intake 26 is disposed upwardly in an upper heel portion of the shoe upper 14. A one-way check valve 22 is disposed between theair intake 26 and theheel bladder 24, whereby air is drawn into theheel bladder 24 but cannot pass back to theair intake 26. A plurality ofdischarge vents 30 is disposed in a toe area of the sole 16 (FIG. 4 ). - The
vents 30 communicate with theheel bladder 24 via theair passage 28. A one-way check valve 22 is disposed between thesole 16vdischarge vents 30 and theheel bladder 24, whereby air passes out of theheel bladder 24 to the sole 16discharge vents 30 but cannot pass back from the sole 16discharge vents 30 to theheel bladder 24. Pressure on the heel of the sole 16 forces air out of theheel bladder 24 and out of thedischarge vents 30 of the sole 16. Anair tongue 12bladder 24 is disposed in the tongue 12 (FIG. 5 ). Anair intake 26 disposed at the top of thetongue 12 communicates with thetongue bladder 24. A plurality ofair discharge vents 30 is disposed in a toe area of thetongue 12. Thedischarge vents 30 communicate with thetongue bladder 24, whereby pressure from an upper area of a user'sfoot 60 against thetongue 12 causes air to be pushed from thetongue 12bladder 24 and out of thetongue 12discharge vents 30. A one-way check valve 22 is disposed between theair intake 26 and thetongue 12bladder 24, whereby air is drawn into thetongue 12bladder 24 but cannot pass back to theair intake 26. A one-way check valve 22 is disposed between thetongue 12discharge vents 30 and thetongue 12bladder 24, whereby air passes out of thetongue 12bladder 24 to thetongue 12discharge vents 30 but cannot pass back from thetongue 12discharge vents 30 to thetongue 12bladder 24. - Referring to
FIG. 2 , the user's heel is off of the contact surface. The elevated heel of theinvention 10 provides for theheel bladder 24 to fill via theair intake 26, through the one-way check valve 22. The one-way check valve 22 between theheel bladder 24 and theair passage 28 prevents air from flowing from thedischarge vents 30 of the sole 16 into theheel bladder 24. - The pressure of the
upper foot 60 of the user causes thetongue 12bladder 24 to force air through thelower tongue 12check valve 22 and out of thetongue 12discharge vents 30. - Referring to
FIG. 3 , the heel strike of theinvention 10 causes theheel bladder 24 to force air through the one-way check valve 22 into theair passage 28. Air thereby flows to and out of the discharge vents 30. The one-way check valve 22 between theair intake 26 of theheel bladder 24 prevents air from exiting theheel bladder 24 through theair intake 26. The lack offoot 60 pressure on thetongue 12 causes thetongue bladder 24 to fill via theair intake 26 and the one-way check valve 22. The alternate motions of heel strike versus forefoot strike thereby ventilates a user'sfoot 60. - With respect to the above description then, it is to be realized that the optimum dimensional relationships for the parts of the ventilated shoe, to include variations in size, materials, shape, form, function and the manner of operation, assembly and use, are deemed readily apparent and obvious to one skilled in the art, and all equivalent relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by the present invention.
- Directional terms such as “front”, “back”, “in”, “out”, “downward”, “upper”, “lower”, and the like may have been used in the description. These terms are applicable to the examples shown and described in conjunction with the drawings.
- These terms are merely used for the purpose of description in connection with the drawings and do not necessarily apply to the position in which the present invention may be used.
- Therefore, the foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention.
Claims (8)
1. A ventilated shoe, comprising
a flexible sole;
a shoe upper affixed to the sole;
a tongue in the shoe upper;
an air heel bladder in a heel of the sole;
an air intake communicating with the heel bladder;
a plurality of discharge vents in a toe area of the sole, the vents communicating with the heel bladder,
whereby pressure on the heel of the sole forces air out of the heel bladder and out of the discharge vents of the sole;
an air tongue bladder in the tongue;
an air intake communicating with the tongue bladder;
a plurality of air discharge vents in a toe area of the tongue, the discharge vents communicating with the tongue bladder,
whereby pressure from an upper area of a user's foot against the tongue causes air to be pushed from the tongue bladder and out of the tongue discharge vents.
2. The invention in claim 1 wherein the air intake for the heel bladder is disposed in an upper heel portion of the shoe upper.
3. The invention in claim 1 wherein the air intake for the tongue bladder is disposed in a top of the tongue.
4. The invention in claim 2 wherein the air intake for the tongue bladder is disposed in a top of the tongue.
5. A ventilated shoe, comprising
a flexible sole;
an shoe upper affixed to the sole;
a tongue in the shoe upper;
an air heel bladder in a heel of the sole;
an air intake communicating with the heel bladder;
a one-way check valve between the air intake and the heel bladder, whereby air is drawn into the heel bladder but cannot pass back to the air intake;
a plurality of discharge vents in a toe area of the sole, the vents communicating with the heel bladder;
a one-way check valve between the sole discharge vents and the heel bladder, whereby air passes out of the heel bladder to the sole discharge vents but cannot pass back from the sole discharge vents to the heel bladder;
whereby pressure on the heel of the sole forces air out of the heel bladder and out of the discharge vents of the sole;
an air tongue bladder in the tongue;
an air intake communicating with the tongue bladder;
a plurality of air discharge vents in a toe area of the tongue, the discharge vents communicating with the tongue bladder,
whereby pressure from an upper area of a user's foot against the tongue causes air to be pushed from the tongue bladder and out of the tongue discharge vents;
a one-way check valve between the air intake and the tongue bladder, whereby air is drawn into the tongue bladder but cannot pass back to the air intake;
a one-way check valve between the tongue discharge vents and the tongue bladder, whereby air passes out of the tongue bladder to the tongue discharge vents but cannot pass back from the tongue discharge vents to the tongue bladder.
6. The invention in claim 5 wherein the air intake for the heel bladder is disposed in an upper heel portion of the shoe upper.
7. The invention in claim 5 wherein the air intake for the tongue bladder is disposed in a top of the tongue.
8. The invention in claim 6 wherein the air intake for the tongue bladder is disposed in a top of the tongue.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/259,928 US20070094891A1 (en) | 2005-10-28 | 2005-10-28 | Ventilated shoe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/259,928 US20070094891A1 (en) | 2005-10-28 | 2005-10-28 | Ventilated shoe |
Publications (1)
Publication Number | Publication Date |
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US20070094891A1 true US20070094891A1 (en) | 2007-05-03 |
Family
ID=37994438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/259,928 Abandoned US20070094891A1 (en) | 2005-10-28 | 2005-10-28 | Ventilated shoe |
Country Status (1)
Country | Link |
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US (1) | US20070094891A1 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080242633A1 (en) * | 2005-08-05 | 2008-10-02 | Elisabeth Cramer | Methods of modulating apoptosis and platelet production using variants of cytochrome c |
US20090151203A1 (en) * | 2007-12-14 | 2009-06-18 | Boyer David S | Ventilating shoe |
US20100050471A1 (en) * | 2008-08-26 | 2010-03-04 | Young Seok Kim | Air Cushion shoe sole |
US20100170116A1 (en) * | 2009-01-06 | 2010-07-08 | Youngtack Shim | Ventilation systems for shoes and methods |
US20100186256A1 (en) * | 2009-01-28 | 2010-07-29 | Sears Brands, Llc | Shoe having an air cushioning system |
KR200454058Y1 (en) | 2009-05-22 | 2011-06-14 | 박형호 | A Ventilation Device of Shoes |
KR200459751Y1 (en) | 2009-05-22 | 2012-04-13 | 박형호 | A Ventilation Device of Shoes |
US20130139413A1 (en) * | 2007-06-20 | 2013-06-06 | W.L. Gore & Associates, Inc. | Ventilating Footwear Devices |
US20140013632A1 (en) * | 2011-03-24 | 2014-01-16 | Msc Schweiz Ag | Sole Construction Having an Air Pumping Device |
US20140331525A1 (en) * | 2013-05-13 | 2014-11-13 | Ariel West | Footwear with plantar misting system |
US9351536B2 (en) * | 2012-03-05 | 2016-05-31 | Nike, Inc. | Footwear with fluid bladder extending between sole assembly and upper |
KR101711881B1 (en) * | 2016-05-25 | 2017-03-13 | 주식회사 나노텍세라믹스 | Shoes having air permeability through tongue |
WO2017188640A1 (en) * | 2016-04-27 | 2017-11-02 | 주식회사 나노텍세라믹스 | Shoe having air-permeable tongue |
US20200214387A1 (en) * | 2019-01-09 | 2020-07-09 | Jaime R. Yepez | Self-Ventilating Footwear |
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US20030188451A1 (en) * | 2002-03-22 | 2003-10-09 | Chien-I Wu | Ventilation shoe |
US6671979B2 (en) * | 2002-02-01 | 2004-01-06 | Venanzio Cardarelli | Air flow shoe system |
US20040010939A1 (en) * | 2001-09-24 | 2004-01-22 | Liu Chang Yuen | Shoes having ventilation devices |
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2005
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US3128566A (en) * | 1961-03-14 | 1964-04-14 | Garry L Burlison | Ventilated boot |
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US4693021A (en) * | 1984-10-10 | 1987-09-15 | Alpine Stars S.P.A. | Ventilated item of sport footwear, particularly for motorcyclists |
US5511323A (en) * | 1992-06-30 | 1996-04-30 | Dahlgren; Ray E. | Footwear for facilitating the removal and dissipation of perspiration from the foot of a wearer |
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US5551172A (en) * | 1994-08-23 | 1996-09-03 | Yu; Simon S. C. | Ventilation structure for a shoe |
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USD423202S (en) * | 1998-12-21 | 2000-04-25 | Brown Group, Inc. | Aerated insole |
US6370799B1 (en) * | 2000-08-04 | 2002-04-16 | Reed E. Thatcher | Ventilated footwear assembly |
US6415529B1 (en) * | 2000-09-01 | 2002-07-09 | Daniel D. Kelley | Shoe ventilation apparatus |
US6370800B1 (en) * | 2000-10-16 | 2002-04-16 | Cheng-Che Hung | Shoes with air pumps |
US20040010939A1 (en) * | 2001-09-24 | 2004-01-22 | Liu Chang Yuen | Shoes having ventilation devices |
US6671979B2 (en) * | 2002-02-01 | 2004-01-06 | Venanzio Cardarelli | Air flow shoe system |
US20030188451A1 (en) * | 2002-03-22 | 2003-10-09 | Chien-I Wu | Ventilation shoe |
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Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080242633A1 (en) * | 2005-08-05 | 2008-10-02 | Elisabeth Cramer | Methods of modulating apoptosis and platelet production using variants of cytochrome c |
US20130139413A1 (en) * | 2007-06-20 | 2013-06-06 | W.L. Gore & Associates, Inc. | Ventilating Footwear Devices |
US20090151203A1 (en) * | 2007-12-14 | 2009-06-18 | Boyer David S | Ventilating shoe |
US20100050471A1 (en) * | 2008-08-26 | 2010-03-04 | Young Seok Kim | Air Cushion shoe sole |
US8056259B2 (en) * | 2008-08-26 | 2011-11-15 | Young Seok Kim | Air cushion shoe sole |
US20100170116A1 (en) * | 2009-01-06 | 2010-07-08 | Youngtack Shim | Ventilation systems for shoes and methods |
US20100186256A1 (en) * | 2009-01-28 | 2010-07-29 | Sears Brands, Llc | Shoe having an air cushioning system |
US8146268B2 (en) * | 2009-01-28 | 2012-04-03 | Sears Brands, Llc | Shoe having an air cushioning system |
KR200459751Y1 (en) | 2009-05-22 | 2012-04-13 | 박형호 | A Ventilation Device of Shoes |
KR200454058Y1 (en) | 2009-05-22 | 2011-06-14 | 박형호 | A Ventilation Device of Shoes |
US20140013632A1 (en) * | 2011-03-24 | 2014-01-16 | Msc Schweiz Ag | Sole Construction Having an Air Pumping Device |
US8893403B2 (en) * | 2011-03-24 | 2014-11-25 | Wilhelm Möhlmann | Sole construction having an air pumping device |
US9351536B2 (en) * | 2012-03-05 | 2016-05-31 | Nike, Inc. | Footwear with fluid bladder extending between sole assembly and upper |
US20140331525A1 (en) * | 2013-05-13 | 2014-11-13 | Ariel West | Footwear with plantar misting system |
WO2017188640A1 (en) * | 2016-04-27 | 2017-11-02 | 주식회사 나노텍세라믹스 | Shoe having air-permeable tongue |
KR101711881B1 (en) * | 2016-05-25 | 2017-03-13 | 주식회사 나노텍세라믹스 | Shoes having air permeability through tongue |
US20200214387A1 (en) * | 2019-01-09 | 2020-07-09 | Jaime R. Yepez | Self-Ventilating Footwear |
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