Class F03G : SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
Subclass 3/04: Other motors, e.g. gravity or inertia motors driven by sand or like fluent solid material
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12030732 | Subterranean energy storage system | Nov 06, 20 | Jul 09, 24 | ECONOMICAL ENERGY PTY LTD |
| 11486369 | Rotor system for generating kinetic energy by generating an unbalanced torque by means of material energy | Nov 14, 19 | Nov 01, 22 | Not available |
| 11199179 | Power generating apparatus and method | Jul 16, 20 | Dec 14, 21 | Not available |
| 10753337 | Motion control system and method with energy harvesting | Oct 30, 13 | Aug 25, 20 | Jain Irrigation Systems Limited |
| 10473129 | Energy-saving hydraulic system | Jun 12, 16 | Nov 12, 19 | Not available |
| 9810221 | Machine for generating electrical energy | Mar 25, 13 | Nov 07, 17 | DEERE & COMPANY |
| 9745963 | Energy weight storage | Oct 13, 15 | Aug 29, 17 | Not available |
| 9388788 | Conveying device for producing energy | Sep 30, 10 | Jul 12, 16 | WRH WALTER REIST HOLDING AG |
| 9121383 | Low flow power plant | Feb 10, 13 | Sep 01, 15 | Not available |
| 9097242 | Low differential temperature rotary engines | May 15, 09 | Aug 04, 15 | DYVERGA ENERGY CORPORATION |
| 8943824 | Water turbine having blades containing inflatable elements | Nov 30, 09 | Feb 03, 15 | Not available |
| 8737558 | System and method for storing energy | Apr 26, 12 | May 27, 14 | Launchpoint Technologies, Inc. |
| 8701410 | Ballistic impulse turbine and method | May 20, 11 | Apr 22, 14 | Not available |
| 8640460 | Ocean wave electrical generator | Sep 15, 09 | Feb 04, 14 | Not available |
| 8266907 | BESS (Barrett Energy Simple System) | Oct 19, 10 | Sep 18, 12 | Not available |
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