- 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 9/42 - Control of fuel supply specially adapted for the control of two or more plants simultaneously
Patent holdings for IPC class F02C 9/42
Total number of patents in this class: 169
10-year publication summary
|
17
|
19
|
21
|
15
|
6
|
25
|
18
|
13
|
16
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
41 |
| Safran Helicopter Engines | 676 |
22 |
| GE Infrastructure Technology, LLC | 5873 |
14 |
| Rtx Corporation | 8674 |
14 |
| Airbus Helicopters | 984 |
10 |
| Rolls-Royce PLC | 2944 |
7 |
| Bombardier Inc. | 749 |
5 |
| General Electric Company | 18133 |
4 |
| Textron Innovations Inc. | 2138 |
4 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
4 |
| BJ Energy Solutions, LLC | 93 |
4 |
| Safran Power Units | 108 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| ABB Schweiz AG | 6321 |
2 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
2 |
| Safran Aircraft Engines | 5739 |
2 |
| Aurelia Turbines Oy | 10 |
2 |
| Eaton Intelligent Power Limited | 6113 |
2 |
| Dynamo IP Holdings, LLC | 6 |
2 |
| Siemens AG | 24990 |
1 |
| Other owners | 22 |