- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02K - Jet-propulsion plants
- F02K 1/82 - Jet pipe walls, e.g. liners
Patent holdings for IPC class F02K 1/82
Total number of patents in this class: 658
10-year publication summary
|
66
|
68
|
34
|
54
|
59
|
60
|
28
|
46
|
33
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
112 |
| Safran Aircraft Engines | 5739 |
54 |
| Rohr, Inc. | 653 |
51 |
| Safran Nacelles | 587 |
47 |
| The Boeing Company | 19843 |
45 |
| General Electric Company | 18133 |
33 |
| Safran Ceramics | 366 |
24 |
| Aircelle | 488 |
19 |
| Airbus Operations S.A.S. | 2407 |
16 |
| Pratt & Whitney Canada Corp. | 4215 |
15 |
| United Technologies Corporation | 2328 |
13 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
11 |
| Rolls-Royce PLC | 2944 |
10 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
10 |
| Turbomeca | 232 |
9 |
| Snecma | 1065 |
8 |
| Honeywell International Inc. | 13799 |
7 |
| Hexcel Corporation | 305 |
7 |
| Volvo Aero Corporation | 103 |
7 |
| Siemens AG | 24990 |
6 |
| Other owners | 154 |