|
| US4285613 | 5 Oct 1979 | 25 Aug 1981 | | Apparatus for forming and installing underground drainpipe |
| US4296781 | 23 Apr 1979 | 27 Oct 1981 | Magnusystem, Inc. | Sectional pipe and tubular members for forming same |
| US4848955 | 2 Dec 1987 | 18 Jul 1989 | | Anti-theft collar |
| US5113570 | 11 Dec 1989 | 19 May 1992 | O & K Orenstein & Koppel Aktiengesellschaft | Method and apparatus for shaping belt straps to enable them to be pulled through support roller stations |
| US5189773 | 15 Jul 1991 | 2 Mar 1993 | AEC-Able Engineering Co., Inc. | Mast forming and deployment system |
| US5318076 | 13 Nov 1992 | 7 Jun 1994 | Bloom Engineering Company, Inc. | Protective refractory locking mechanism |
| US5718087 | 2 May 1996 | 17 Feb 1998 | The Will-Burt Company | Telescoping mast assembly |
| US5765320 | 3 May 1996 | 16 Jun 1998 | | Linear actuator |
| US6217975 | 15 Sep 1998 | 17 Apr 2001 | Rolatube Technology Limited | Extendible member |
| US6256938 | 7 Jun 1995 | 10 Jul 2001 | Rolatube Technology Limited | Elongate hollow element |
| US7448414 | 18 Mar 2004 | 11 Nov 2008 | | Hinged and segmented pipe |
| US8006462 | 6 Jan 2010 | 30 Aug 2011 | Alliant Techsystems Inc. | Deployable truss having second order augmentation |
| US8042305 | 15 Mar 2005 | 25 Oct 2011 | Alliant Techsystems Inc. | Deployable structural assemblies, systems for deploying such structural assemblies |
