- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02G - Hot-gas or combustion-product positive-displacement engine plantsuse of waste heat of combustion engines, not otherwise provided for
- F02G 1/044 - Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines having at least two working members, e.g. pistons, delivering power output
Patent holdings for IPC class F02G 1/044
Total number of patents in this class: 136
10-year publication summary
|
14
|
16
|
11
|
27
|
6
|
21
|
13
|
10
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyliion Holdings Corp. | 36 |
22 |
| New Power Concepts LLC | 26 |
12 |
| Thermolift, Inc. | 28 |
9 |
| Cixten | 6 |
4 |
| General Electric Company | 13811 |
3 |
| Cool Energy, Inc. | 7 |
3 |
| Universite de Franche-comte | 181 |
3 |
| Capricorn Power Pty Ltd | 3 |
3 |
| Energyintel Services Ltd | 13 |
3 |
| The Boeing Company | 20115 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14931 |
2 |
| DEKA Products Limited Partnership | 1839 |
2 |
| Frauscher Holding GmbH | 18 |
2 |
| Global Cooling, Inc. | 38 |
2 |
| Isis Innovation Limited | 466 |
2 |
| 1158990 B.C. Ltd | 15 |
2 |
| Azelio AB | 21 |
2 |
| Stirling Works Global Ltd | 5 |
2 |
| Zhenjiang Bolin Optoelectronics Technology Co., Ltd | 4 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2821 |
1 |
| Other owners | 53 |