- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 3/12 - Plants including a gas turbine driving a compressor or a ducted fan characterised by having more than one gas turbine
Patent holdings for IPC class F02K 3/12
Total number of patents in this class: 45
10-year publication summary
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5
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6
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3
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3
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2
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2
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3
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4
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9660 |
10 |
| Safran Aircraft Engines | 6448 |
8 |
| General Electric Company | 13793 |
3 |
| Rolls-Royce Corporation | 1704 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1155 |
3 |
| Safran Helicopter Engines | 790 |
3 |
| Foret Plasma Labs, LLC | 66 |
2 |
| Envita Management & Development GmbH | 2 |
2 |
| ATRX, Inc. | 3 |
2 |
| United Technologies Corporation | 2225 |
1 |
| Pratt & Whitney Canada Corp. | 4990 |
1 |
| Airbus Operations S.A.S. | 2513 |
1 |
| Rolls-Royce PLC | 3170 |
1 |
| Bladon Jets Holdings Limited | 2 |
1 |
| GKN Aerospace Sweden AB | 95 |
1 |
| Institut SUPERIEUR de L'aeronautique et de L'espace | 37 |
1 |
| Rolls-Royce Deutschland Ltd & Co KG | 832 |
1 |
| Dennis S. Lee | 1 |
1 |
| Other owners | 0 |