- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02K - Jet-propulsion plants
- F02K 1/72 - Reversing fan flow using thrust reverser flaps or doors mounted on the fan housing the aft end of the fan housing being movable to uncover openings in the fan housing for the reversed flow
Patent holdings for IPC class F02K 1/72
Total number of patents in this class: 749
10-year publication summary
|
78
|
71
|
54
|
56
|
78
|
51
|
39
|
32
|
44
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Nacelles | 706 |
172 |
| Rohr, Inc. | 747 |
120 |
| Aircelle | 478 |
109 |
| Rtx Corporation | 9313 |
61 |
| Airbus Operations S.A.S. | 2468 |
49 |
| Safran Aircraft Engines | 6250 |
40 |
| The Boeing Company | 20025 |
38 |
| General Electric Company | 13830 |
21 |
| Honeywell International Inc. | 13562 |
17 |
| Woodward, Inc. | 643 |
13 |
| Spirit AeroSystems, Inc. | 273 |
12 |
| MRA Systems, LLC | 65 |
11 |
| Rolls-Royce Deutschland Ltd & Co KG | 810 |
9 |
| Snecma | 1065 |
6 |
| FACC AG | 144 |
5 |
| Short Brothers plc | 69 |
5 |
| United Technologies Corporation | 2247 |
4 |
| Airbus S.A.S. | 897 |
4 |
| Goodrich Actuation Systems Limited | 239 |
4 |
| Gulfstream Aerospace Corporation | 669 |
4 |
| Other owners | 45 |