- 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: 27
10-year publication summary
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1
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1
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7
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1
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3
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2
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2
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2
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3
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2
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
5 |
| General Electric Company | 18133 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Woodward, Inc. | 602 |
3 |
| Siemens AG | 24990 |
1 |
| SAFRAN S.A. | 518 |
1 |
| Airbus Operations S.A.S. | 2407 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| Rolls-Royce Corporation | 1686 |
1 |
| GE Infrastructure Technology, LLC | 5873 |
1 |
| Arianegroup SAS | 493 |
1 |
| Snecma | 1065 |
1 |
| Other owners | 0 |