- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 25/22 - Operating mechanisms fluid
Patent holdings for IPC class B64C 25/22
Total number of patents in this class: 194
10-year publication summary
|
9
|
25
|
20
|
13
|
16
|
13
|
20
|
13
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Goodrich Corporation | 2183 |
36 |
| Airbus Operations Limited | 1334 |
28 |
| The Boeing Company | 20131 |
23 |
| Safran Landing Systems | 760 |
22 |
| Sumitomo Precision Products Co., Ltd. | 324 |
13 |
| Safran Landing Systems UK Ltd | 189 |
11 |
| Messier-dowty Limited | 87 |
6 |
| Messier-Bugatti-Dowty | 226 |
5 |
| Otto Aviation Group | 6 |
4 |
| Jetzero, Inc. | 103 |
4 |
| DZYNE Technologies, Inc. | 10 |
3 |
| Microtecnica S.r.l. | 97 |
3 |
| Safran Landing Systems UK LTD | 28 |
3 |
| Airbus Operations S.A.S. | 2529 |
2 |
| Boe Technology Group Co., Ltd. | 43343 |
2 |
| Bombardier Inc. | 760 |
2 |
| Learjet Inc. | 74 |
2 |
| Liebherr-Aerospace Lindenberg GmbH | 130 |
2 |
| Sikorsky Aircraft Corporation | 1071 |
2 |
| Airbus Operations GmbH | 3419 |
1 |
| Other owners | 20 |