- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 13/40 - Transmitting means with power amplification using fluid pressure
Patent holdings for IPC class B64C 13/40
Total number of patents in this class: 191
10-year publication summary
|
17
|
15
|
19
|
32
|
16
|
24
|
13
|
15
|
8
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20025 |
56 |
| Airbus Operations GmbH | 3325 |
12 |
| Goodrich Actuation Systems SAS | 161 |
12 |
| Microtecnica S.r.l. | 86 |
10 |
| Woodward, Inc. | 643 |
10 |
| Hamilton Sundstrand Corporation | 4834 |
9 |
| Nabtesco Corporation | 888 |
8 |
| Liebherr-Aerospace Lindenberg GmbH | 119 |
6 |
| Textron Innovations Inc. | 2295 |
6 |
| Airbus Operations S.A.S. | 2468 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8657 |
4 |
| Airbus Operations Limited | 1256 |
4 |
| Bell Helicopter Textron Inc. | 1052 |
4 |
| Goodrich Actuation Systems Limited | 239 |
3 |
| Parker Intangibles LLC | 1172 |
3 |
| Airbus Helicopters | 965 |
2 |
| Bombardier Inc. | 754 |
2 |
| Gulfstream Aerospace Corporation | 669 |
2 |
| Leonardo S.p.A. | 657 |
2 |
| Safran Electronics & Defense | 1273 |
2 |
| Other owners | 29 |