- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 25/22 - Operating mechanisms fluid
Patent holdings for IPC class B64C 25/22
Total number of patents in this class: 169
10-year publication summary
|
7
|
16
|
9
|
25
|
20
|
13
|
16
|
13
|
22
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Goodrich Corporation | 2081 |
31 |
| The Boeing Company | 19843 |
22 |
| Airbus Operations Limited | 1157 |
18 |
| Safran Landing Systems | 621 |
17 |
| Sumitomo Precision Products Co., Ltd. | 273 |
10 |
| Safran Landing Systems UK Ltd | 165 |
9 |
| Messier-dowty Limited | 97 |
7 |
| Messier-Bugatti-Dowty | 243 |
5 |
| DZYNE Technologies, Inc. | 12 |
4 |
| Otto Aviation Group | 6 |
4 |
| Microtecnica S.r.l. | 74 |
3 |
| Safran Landing Systems UK LTD | 28 |
3 |
| Jetzero, Inc. | 35 |
3 |
| Airbus Operations S.A.S. | 2407 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| Bombardier Inc. | 749 |
2 |
| Learjet Inc. | 74 |
2 |
| Liebherr-Aerospace Lindenberg GmbH | 113 |
2 |
| Messier-Bugatti | 60 |
2 |
| Other owners | 19 |