Featured patents

Energy Storing Device in Which Energy Is Stored Through Spring Torsion
US 08813915 B2, Aug. 26, 2014, Spring, Chuy-Nan Chio
An energy storing device in which energy is stored through spring torsion,…

User-Powered Water Heater
US 08739934 B2, June 3, 2014, Animal Powered, Zoran Iskrenovic / Seven International Group, Inc. (Los Angeles, US)
A user-powered water heater, comprising:…

Energy Storage and Release System
US 08689942 B2, April 8, 2014, With winding means, Richard A. McGrail / Raytheon Company (Waltham, US)
An energy storage and release system, comprising:…

Guide Systems for Laminated Spring Assemblies
US 08607935 B2, Dec. 17, 2013, Escapement controlled, Dean Hoornaert et al. / Intuitive Surgical Operations, Inc. (Sunnyvale, US)
A counterbalance apparatus, comprising:…

Winding Tool for Torsion Spring for Sectional Garage Door
US 08567567 B1, Oct. 29, 2013, With winding means, Ernest Scott Turner et al.
A winding tool comprising:…

System and Method for Generating Mechanical Movement
US 08464838 B2, June 18, 2013, With winding means, Kenneth C. Brooks
A system for generating mechanical movement comprising:…

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