- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 1/78 - Other construction of jet pipes
Patent holdings for IPC class F02K 1/78
Total number of patents in this class: 116
10-year publication summary
|
19
|
7
|
6
|
4
|
6
|
5
|
2
|
1
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9737 |
24 |
| Pratt & Whitney Canada Corp. | 5050 |
18 |
| The Boeing Company | 20101 |
13 |
| SNECMA S.A. | 1148 |
7 |
| Rohr, Inc. | 767 |
6 |
| General Electric Company | 13767 |
5 |
| United Technologies Corporation | 2225 |
4 |
| Safran Aircraft Engines | 6461 |
4 |
| Safran Nacelles | 745 |
4 |
| IHI Corporation | 3491 |
3 |
| Rolls-Royce Deutschland Ltd & Co KG | 833 |
3 |
| Airborne Aspect, Inc. | 3 |
3 |
| Airbus Operations S.A.S. | 2520 |
2 |
| Aircelle | 473 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1146 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8951 |
1 |
| Siemens Energy, Inc. | 1699 |
1 |
| Bell Helicopter Textron Inc. | 1009 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
1 |
| GKN Aerospace Sweden AB | 95 |
1 |
| Other owners | 11 |