- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 1/44 - Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction
Patent holdings for IPC class F02K 1/44
Total number of patents in this class: 61
10-year publication summary
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2
|
3
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5
|
5
|
2
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1
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6
|
2
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20232 |
10 |
| Safran Nacelles | 820 |
5 |
| Pratt & Whitney Canada Corp. | 5627 |
4 |
| IHI Corporation | 3554 |
4 |
| Rohr, Inc. | 778 |
4 |
| SNECMA S.A. | 1145 |
3 |
| Leonardo S.p.A. | 711 |
3 |
| Rolls-Royce Deutschland Ltd & Co KG | 869 |
3 |
| Safran Aircraft Engines | 6811 |
3 |
| Aircelle | 460 |
2 |
| Japan Aerospace Exploration Agency | 459 |
2 |
| The Regents of the University of California | 20987 |
1 |
| Robert Bosch GmbH | 44427 |
1 |
| Hyundai Motor Company | 25190 |
1 |
| Hamilton Sundstrand Corporation | 5012 |
1 |
| Kawasaki Heavy Industries, Limited | 1712 |
1 |
| Aerion Corporation | 12 |
1 |
| Airbus Defence and Space GmbH | 877 |
1 |
| DZYNE Technologies, Inc. | 10 |
1 |
| EADS Deutschland GmbH | 355 |
1 |
| Other owners | 9 |