- 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: 435
10-year publication summary
|
48
|
39
|
41
|
48
|
34
|
38
|
32
|
28
|
27
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20057 |
64 |
| Airbus Operations GmbH | 3340 |
41 |
| Goodrich Actuation Systems SAS | 167 |
39 |
| Hamilton Sundstrand Corporation | 4888 |
33 |
| Goodrich Actuation Systems Limited | 247 |
24 |
| Safran Electronics & Defense | 1282 |
16 |
| Liebherr-Aerospace Lindenberg GmbH | 119 |
15 |
| Bombardier Inc. | 754 |
12 |
| Moog Inc. | 421 |
12 |
| Airbus Operations Limited | 1263 |
11 |
| Parker Intangibles LLC | 1163 |
8 |
| Ratier-figeac SAS | 190 |
8 |
| Airbus Operations S.A.S. | 2480 |
7 |
| BAE SYSTEMS plc | 2339 |
7 |
| Eaton Intelligent Power Limited | 5993 |
7 |
| Bell Helicopter Textron Inc. | 1049 |
6 |
| AeroVironment, Inc. | 534 |
4 |
| Nabtesco Corporation | 890 |
4 |
| Textron Innovations Inc. | 2318 |
4 |
| Safran Electronics & Defense, Avionics USA, LLC | 26 |
4 |
| Other owners | 109 |