- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 13/28 - Transmitting means without power amplification or where power amplification is irrelevant mechanical
Patent holdings for IPC class B64C 13/28
Total number of patents in this class: 440
10-year publication summary
|
41
|
36
|
39
|
38
|
28
|
29
|
25
|
21
|
21
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20157 |
63 |
| Airbus Operations GmbH | 3363 |
41 |
| Goodrich Actuation Systems SAS | 170 |
40 |
| Hamilton Sundstrand Corporation | 4934 |
33 |
| Goodrich Actuation Systems Limited | 249 |
24 |
| Safran Electronics & Defense | 1295 |
16 |
| Liebherr-Aerospace Lindenberg GmbH | 120 |
15 |
| Bombardier Inc. | 756 |
12 |
| Moog Inc. | 426 |
12 |
| Airbus Operations Limited | 1283 |
11 |
| Parker Intangibles LLC | 1206 |
9 |
| BAE SYSTEMS plc | 2362 |
8 |
| Ratier-figeac SAS | 200 |
8 |
| Airbus Operations S.A.S. | 2497 |
7 |
| Eaton Intelligent Power Limited | 6043 |
7 |
| Bell Helicopter Textron Inc. | 1059 |
6 |
| Textron Innovations Inc. | 2351 |
5 |
| AeroVironment, Inc. | 538 |
4 |
| Nabtesco Corporation | 884 |
4 |
| Safran Electronics & Defense, Avionics USA, LLC | 26 |
4 |
| Other owners | 111 |