| 2024/0159,201 | MONOLITHIC HEAT-EXCHANGER BODIES | Jan 26, 24 | May 16, 24 | Not available |
| 2024/0093,660 | SYSTEMS AND METHODS UTILIZING GAS TEMPERATURE AS A POWER SOURCE | Nov 30, 23 | Mar 21, 24 | Not available |
| 2024/0026,838 | SYSTEMS AND METHODS UTILIZING GAS TEMPERATURE AS A POWER SOURCE | Aug 28, 23 | Jan 25, 24 | Not available |
| 2022/0333,548 | SYSTEMS AND METHODS UTILIZING GAS TEMPERATURE AS A POWER SOURCE | Jul 05, 22 | Oct 20, 22 | ICE Thermal Harvesting, LLC |
| 2022/0065,194 | Recovery of Energy in Residue Gases | Dec 20, 19 | Mar 03, 22 | Not available |
| 2021/0381,467 | CONSTANT DENSITY HEAT EXCHANGER AND SYSTEM FOR ENERGY CONVERSION | Aug 20, 21 | Dec 09, 21 | Not available |
| 2020/0370,505 | ENERGY CONVERSION APPARATUS | May 20, 20 | Nov 26, 20 | Not available |
| 2020/0370,507 | Closed Cycle Engine with Bottoming-Cycle System | Jun 12, 20 | Nov 26, 20 | Not available |
| 2020/0309,064 | ARTICULATED PLENUM | Mar 27, 20 | Oct 01, 20 | Not available |
| 2019/0178,205 | Heat Cycle Machine | Jul 18, 17 | Jun 13, 19 | Not available |
| 2018/0298,843 | WASTE-HEAT RECOVERY SYSTEM AND METHOD FOR RECOVERY OF WASTE-HEAT | Apr 12, 17 | Oct 18, 18 | Not available |
| 2017/0037,812 | THERMAL ENGINE WITH ENERGY MODULATION MECHANISM | Apr 08, 15 | Feb 09, 17 | Not available |
| 2017/0030,294 | ENERGY TRANSFER MACHINES | Aug 15, 16 | Feb 02, 17 | Not available |
| 2016/0252,047 | DIFFERENTIAL THERMODYNAMIC MACHINE WITH A CYCLE OF EIGHT THERMODYNAMIC TRANSFORMATIONS, AND CONTROL METHOD | Oct 16, 14 | Sep 01, 16 | Not available |
| 2016/0252,048 | HEAT ENGINE OF TRANSFER-EXPANSION AND REGENERATION TYPE | Jan 29, 16 | Sep 01, 16 | Not available |
| 2016/0017,843 | Thermodynamic Machine | Mar 07, 14 | Jan 21, 16 | WHITTAKER ENGINEERING (STONEHAVEN) LIMITED |
| 2015/0176,526 | SEMI-ISOTHERMAL COMPRESSION ENGINES WITH SEPARATE COMBUSTORS AND EXPANDERS, AND ASSOCIATED SYSTEMS AND METHODS | Dec 19, 13 | Jun 25, 15 | BRIGHT ENERGY STORAGE TECHNOLOGIES, LLP |
| 2014/0325,986 | ROTARY ENGINE AND PROCESS | Dec 15, 12 | Nov 06, 14 | TRIPLE E POWER LTD |
| 2013/0111,895 | COMPRESSED AIR ENERGY STORAGE SYSTEM UTILIZING TWO-PHASE FLOW TO FACILITATE HEAT EXCHANGE | Nov 29, 12 | May 09, 13 | LIGHTSAIL ENERGY, INC. |
| 2011/0314,805 | HEAT ENGINE WITH REGENERATOR AND TIMED GAS EXCHANGE | Mar 12, 10 | Dec 29, 11 | Not available |