- 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 9/46 - Emergency fuel control
Patent holdings for IPC class F02C 9/46
Total number of patents in this class: 179
10-year publication summary
|
18
|
25
|
23
|
16
|
7
|
15
|
13
|
9
|
16
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
18 |
| Pratt & Whitney Canada Corp. | 4215 |
16 |
| Rolls-Royce PLC | 2944 |
15 |
| General Electric Company | 18133 |
14 |
| GE Infrastructure Technology, LLC | 5873 |
12 |
| Safran Helicopter Engines | 676 |
10 |
| Hamilton Sundstrand Corporation | 4525 |
6 |
| Siemens AG | 24990 |
5 |
| Airbus Helicopters | 984 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
4 |
| Mitsubishi Power, Ltd. | 1680 |
4 |
| SNECMA S.A. | 1160 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Emerson Process Management Regulator Technologies, Inc. | 373 |
3 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
3 |
| Safran Electronics & Defense | 1130 |
3 |
| Turbomeca | 232 |
3 |
| Snecma | 1065 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| Airbus Operations S.A.S. | 2407 |
2 |
| Other owners | 45 |