- 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 9/36 - Control of fuel supply characterised by returning of fuel to sump
Patent holdings for IPC class F02C 9/36
Total number of patents in this class: 30
10-year publication summary
|
1
|
7
|
1
|
3
|
2
|
2
|
2
|
3
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5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4428 |
5 |
| Safran Aircraft Engines | 6021 |
5 |
| General Electric Company | 17801 |
4 |
| Hamilton Sundstrand Corporation | 4712 |
4 |
| Woodward, Inc. | 627 |
4 |
| Siemens AG | 24575 |
1 |
| SAFRAN S.A. | 567 |
1 |
| Airbus Operations S.A.S. | 2435 |
1 |
| Rolls-Royce PLC | 2976 |
1 |
| Rolls-Royce Corporation | 1718 |
1 |
| GE Infrastructure Technology, LLC | 6103 |
1 |
| Arianegroup SAS | 500 |
1 |
| Snecma | 1065 |
1 |
| Other owners | 0 |