- 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: 771
10-year publication summary
|
71
|
54
|
56
|
78
|
51
|
40
|
34
|
46
|
29
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Nacelles | 767 |
183 |
| Rohr, Inc. | 773 |
125 |
| Aircelle | 468 |
107 |
| Rtx Corporation | 9885 |
63 |
| Airbus Operations S.A.S. | 2522 |
51 |
| The Boeing Company | 20094 |
40 |
| Safran Aircraft Engines | 6551 |
40 |
| General Electric Company | 13806 |
23 |
| Honeywell International Inc. | 12786 |
17 |
| Woodward, Inc. | 671 |
13 |
| Spirit AeroSystems, Inc. | 282 |
12 |
| Rolls-Royce Deutschland Ltd & Co KG | 843 |
9 |
| STE Mras, LLC | 46 |
8 |
| Snecma | 1058 |
6 |
| FACC AG | 158 |
5 |
| LAT Enterprises, Inc., DBA MediPak Energy Systems | 131 |
5 |
| United Technologies Corporation | 2220 |
4 |
| Airbus S.A.S. | 962 |
4 |
| Goodrich Actuation Systems Limited | 257 |
4 |
| Gulfstream Aerospace Corporation | 677 |
4 |
| Other owners | 48 |