- 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 3/10 - Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with another turbine driving an output shaft but not driving the compressor
Patent holdings for IPC class F02C 3/10
Total number of patents in this class: 409
10-year publication summary
63
|
79
|
40
|
47
|
31
|
29
|
30
|
20
|
13
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rtx Corporation | 8674 |
95 |
Safran Helicopter Engines | 676 |
43 |
Pratt & Whitney Canada Corp. | 4215 |
34 |
Safran Aircraft Engines | 5739 |
22 |
General Electric Company | 18133 |
17 |
Nuovo Pignone Tecnologie S.r.l. | 789 |
15 |
Mitsubishi Power, Ltd. | 1680 |
14 |
Rolls-Royce North American Technologies, Inc. | 1079 |
13 |
Turbomeca | 232 |
12 |
Hitachi, Ltd. | 16452 |
10 |
Rolls-Royce PLC | 2944 |
8 |
Rolls-Royce Corporation | 1686 |
8 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
7 |
Siemens AG | 24990 |
5 |
Airbus Helicopters | 984 |
5 |
Hamilton Sundstrand Corporation | 4525 |
5 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
United Technologies Corporation | 2328 |
4 |
ExxonMobil Chemical Patents Inc. | 4286 |
4 |
Mitsubishi Heavy Industries Compressor Corporation | 613 |
4 |
Other owners | 80 |