Control systems and methods for delivery of energy that may include control algorithms that prevent energy delivery if a fault is detected and may provide energy delivery to produce a substantially constant temperature at a delivery site. In some embodiments, the control systems and methods may be used...http://www.google.co.uk/patents/US20070074719?utm_source=gb-gplus-sharePatent US20070074719 - CONTROL METHODS AND DEVICES FOR ENERGY DELIVERY