- 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 1/04 - Hot gas positive-displacement engine plants of closed-cycle type
Patent holdings for IPC class F02G 1/04
Total number of patents in this class: 164
10-year publication summary
|
12
|
12
|
22
|
5
|
12
|
5
|
9
|
9
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GM Global Technology Operations LLC | 14285 |
17 |
| Hyliion Holdings Corp. | 28 |
14 |
| Olympus Corporation | 13270 |
6 |
| Associacao Paranaense de Cultura - APC | 21 |
6 |
| Cool Energy, Inc. | 7 |
4 |
| Dynalloy, Inc. | 22 |
4 |
| Enhanced Energy Group LLC | 27 |
4 |
| Global Cooling, Inc. | 38 |
4 |
| Sunpower, Inc. | 33 |
4 |
| Quantum Industrial Development Corporation | 11 |
4 |
| Central Motor Wheel Co., Ltd. | 91 |
3 |
| New Power Concepts LLC | 27 |
3 |
| X Development LLC | 1436 |
3 |
| Climate Change Technologies Pty Ltd | 4 |
3 |
| Centre National de La Recherche Scientifique | 10124 |
2 |
| The Regents of the University of Michigan | 4589 |
2 |
| Airbus Defence and Space GmbH | 873 |
2 |
| Cambridge Mechatronics Limited | 327 |
2 |
| ClearSign Combustion Corporation | 111 |
2 |
| Technion Research & Development Foundation Ltd. | 1196 |
2 |
| Other owners | 73 |