- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02C - Gas-turbine plantsair intakes for jet-propulsion plantscontrolling 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: 476
10-year publication summary
41
|
29
|
33
|
21
|
25
|
26
|
26
|
17
|
37
|
19
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
8 Rivers Capital, LLC | 238 |
85 |
ExxonMobil Upstream Research Company | 2390 |
58 |
GE Infrastructure Technology, LLC | 6252 |
53 |
General Electric Company | 13859 |
30 |
Alstom Technology Ltd | 1093 |
23 |
Nuovo Pignone Tecnologie S.r.l. | 1006 |
18 |
Toshiba Energy Systems & Solutions Corp. | 1095 |
13 |
Palmer Labs, LLC | 29 |
11 |
Ansaldo Energia IP UK Limited | 24 |
9 |
Mitsubishi Heavy Industries, Ltd. | 8813 |
8 |
University of Florida Research Foundation, Inc. | 4052 |
6 |
King Fahd University of Petroleum and Minerals | 1305 |
6 |
Enerfex, Inc. | 6 |
5 |
General Electric Technology GmbH | 1373 |
5 |
Mitsubishi Power, Ltd. | 1791 |
5 |
Rtx Corporation | 9483 |
5 |
Mitsubishi Heavy Industries Engineering, Ltd. | 197 |
4 |
Pratt & Whitney Canada Corp. | 4838 |
3 |
Cummins Inc. | 2611 |
3 |
Enhanced Energy Group LLC | 31 |
3 |
Other owners | 123 |