1
Troy O McBride, Benjamin R Bollinger, Michael Schaefer, Dax Kepshire: Systems and methods for compressed-gas energy storage using coupled cylinder assemblies. SustainX, Bingham McCutchen, February 21, 2012: US08117842 (32 worldwide citation)

In various embodiments, a pneumatic cylinder assembly is coupled to a mechanism that converts motion of a piston into electricity, and vice versa, during expansion or compression of a gas in the pneumatic cylinder assembly.


2
MCBRIGE TROY O: Systems and methods for compressed-gas energy storage using coupled cylinder assemblies. SUSTAINX, Currie Matthew T, May 12, 2011: WO/2011/056855 (14 worldwide citation)

In various embodiments, a pneumatic cylinder (1002,1016) assembly is coupled to a mechanism (1044,1046,1048,1055) that converts motion of a piston into electricity, and vice versa, during expansion or compression of a gas in the pneumatic cylinder assembly.


3
Troy O McBride, Benjamin R Bollinger, Michael Schaefer, Stephen A Fairfax, Dax Kepshire: Systems and methods for compressed-gas energy storage using coupled cylinder assemblies. June 9, 2011: US20110131966-A1

In various embodiments, a pneumatic cylinder assembly is coupled to a mechanism that converts motion of a piston into electricity, and vice versa, during expansion or compression of a gas in the pneumatic cylinder assembly.


4
Troy O McBride, Benjamin R Bollinger, Michael Schaefer, Steven A Fairfax, Dax Kepshire: Systems and methods for compressed-gas energy storage using coupled cylinder assemblies. November 3, 2011: US20110266810-A1

In various embodiments, a pneumatic cylinder assembly is coupled to a mechanism that converts motion of a piston into electricity, and vice versa, during expansion or compression of a gas in the pneumatic cylinder assembly.