- 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 7/057 - Control or regulation
Patent holdings for IPC class F02C 7/057
Total number of patents in this class: 268
10-year publication summary
33
|
37
|
23
|
36
|
21
|
30
|
20
|
15
|
18
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
GE Infrastructure Technology, LLC | 5873 |
21 |
Pratt & Whitney Canada Corp. | 4215 |
19 |
General Electric Company | 18133 |
18 |
United Technologies Corporation | 2328 |
16 |
Rtx Corporation | 8674 |
16 |
Safran Aircraft Engines | 5739 |
12 |
The Boeing Company | 19843 |
10 |
Rolls-Royce PLC | 2944 |
9 |
Mitsubishi Power, Ltd. | 1680 |
9 |
Siemens AG | 24990 |
7 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
7 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
7 |
Hitachi, Ltd. | 16452 |
6 |
Aaf Ltd. | 19 |
6 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
6 |
Rolls-Royce North American Technologies, Inc. | 1079 |
6 |
8 Rivers Capital, LLC | 224 |
5 |
BHA Altair, LLC | 104 |
5 |
Nanjing University of Aeronautics and Astronautics | 360 |
5 |
Textron Innovations Inc. | 2138 |
5 |
Other owners | 73 |