- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02C - Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants
- F02C 7/052 - Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles with dust-separation devices
Patent holdings for IPC class F02C 7/052
Total number of patents in this class: 318
10-year publication summary
|
40
|
43
|
33
|
39
|
31
|
19
|
32
|
18
|
31
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
44 |
| Pratt & Whitney Canada Corp. | 4215 |
31 |
| Rtx Corporation | 8674 |
23 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
21 |
| BHA Altair, LLC | 104 |
19 |
| Honeywell International Inc. | 13799 |
13 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
13 |
| Donaldson Company, Inc. | 1513 |
9 |
| Typhon Technology Solutions (U.S.), LLC | 78 |
9 |
| Parker-Hannifin Corporation | 999 |
8 |
| Safran Aircraft Engines | 5739 |
7 |
| GE Infrastructure Technology, LLC | 5873 |
7 |
| BMC S.r.l. | 43 |
6 |
| Safran Helicopter Engines | 676 |
6 |
| Parker Intangibles LLC | 1237 |
5 |
| Rolls-Royce Corporation | 1686 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
5 |
| Aaf Ltd. | 19 |
4 |
| Aerospace Filtration Systems, Inc. | 8 |
3 |
| Camfil AB | 226 |
3 |
| Other owners | 77 |