- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02C - Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants
- F02C 3/34 - Gas-turbine plants characterised by the use of combustion products as the working fluid with recycling of part of the working fluid, i.e. semi-closed cycles with combustion products in the closed part of the cycle
Patent holdings for IPC class F02C 3/34
Total number of patents in this class: 429
10-year publication summary
|
56
|
44
|
33
|
36
|
21
|
27
|
28
|
27
|
16
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 8 Rivers Capital, LLC | 224 |
82 |
| ExxonMobil Upstream Research Company | 2525 |
58 |
| GE Infrastructure Technology, LLC | 5873 |
50 |
| General Electric Company | 18133 |
30 |
| Alstom Technology Ltd | 1196 |
24 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
14 |
| Palmer Labs, LLC | 30 |
11 |
| Ansaldo Energia IP UK Limited | 24 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
8 |
| King Fahd University of Petroleum and Minerals | 779 |
6 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
5 |
| Mitsubishi Power, Ltd. | 1680 |
5 |
| University of Florida Research Foundation, Inc. | 3883 |
4 |
| General Electric Technology GmbH | 1657 |
4 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 207 |
4 |
| Cummins Inc. | 2369 |
3 |
| Enhanced Energy Group LLC | 23 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| University of Wyoming | 323 |
3 |
| Powerphase International, LLC | 39 |
3 |
| Other owners | 100 |