background

Patent Portfolio

SustainX has patented numerous innovations in isothermal compressed air energy storage (ICAES) with broader applications across the fields of thermodynamics, as well as mechanical, hydraulic, and controls engineering. Our strong IP position has resulted in over 100 filings and early priority dates for ICAES innovations. The United States Patent and Trademark Office has granted SustainX numerous patents, which are listed below. The links will direct you to a copy of each patent on the USPTO website.

For more information about our patents, send an email to info (at) sustainx.com.

Patent TitleIssue DatePatent #
System and method for rapid isothermal gas expansion and compression for energy storage9/28/20107,802,426
Systems and methods for energy storage and recovery using compressed gas11/16/20107,832,207
Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression1/25/20117,874,155
Systems and methods for energy storage and recovery using compressed gas3/8/20117,900,444
Systems and methods for combined thermal and compressed gas energy conversion systems6/14/20117,958,731
Systems and methods for improving drivetrain efficiency for compressed gas energy storage6/21/20117,963,110
Energy storage and generation systems and methods using coupled cylinder assemblies10/18/20118,037,678
Systems and methods for improving drivetrain efficiency for compressed gas energy storage and recovery systems11/01/20118,046,990
Increased power in compressed-gas energy storage and recovery1/31/20128,104,274
Energy storage and generation systems and methods using coupled cylinder assemblies2/07/20128,109,085
Systems and methods for compressed-gas energy storage using coupled cylinder assemblies2/21/20128,117,842
Systems and methods for combined thermal and compressed gas energy conversion systems2/28/20128,122,718
High-efficiency liquid heat exhange in compressed-gas energy storage systems5/8/20128,171,728
Systems and methods for reducing dead volume in compressed-gas energy storage systems6/5/20128,191,362
Systems and methods for energy storage and recovery using compressed gas7/3/20128,209,974
Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression7/24/20128,225,606
Systems and methods for combined thermal and compressed gas energy conversion systems8/7/20128,234,862
Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange8/7/20128,234,863
Systems and methods for improving drivetrain efficiency for compressed gas energy storage8/7/20128,234,868
High-efficiency energy-conversion based on fluid expansion and compression8/14/20128,240,140
System and method for rapid isothermal gas expansion and compression for energy storage8/14/20128,240,146
Improving efficiency of liquid heat exchange in compressed-gas energy storage systems8/21/20128,245,508
Heat exchange with compressed gas in energy-storage systems8/28/20128,250,863
Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery1/29/20138,359,856