- 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: 158
10-year publication summary
|
12
|
22
|
5
|
12
|
5
|
9
|
9
|
5
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GM Global Technology Operations LLC | 15848 |
17 |
| Hyliion Holdings Corp. | 36 |
14 |
| Olympus Corporation | 13014 |
6 |
| Associacao Paranaense de Cultura - APC | 21 |
6 |
| Cool Energy, Inc. | 7 |
4 |
| Dynalloy, Inc. | 21 |
4 |
| Enhanced Energy Group LLC | 35 |
4 |
| Global Cooling, Inc. | 38 |
4 |
| Sunpower, Inc. | 29 |
4 |
| Quantum Industrial Development Corporation | 11 |
4 |
| Central Motor Wheel Co., Ltd. | 90 |
3 |
| New Power Concepts LLC | 26 |
3 |
| X Development LLC | 1378 |
3 |
| Centre National de La Recherche Scientifique | 10881 |
2 |
| The Regents of the University of Michigan | 4911 |
2 |
| Airbus Defence and Space GmbH | 867 |
2 |
| Cambridge Mechatronics Limited | 370 |
2 |
| ClearSign Combustion Corporation | 111 |
2 |
| Technion Research & Development Foundation Ltd. | 1249 |
2 |
| University of Houston | 74 |
2 |
| Other owners | 68 |