- 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: 427
10-year publication summary
|
48
|
39
|
42
|
50
|
35
|
38
|
32
|
27
|
25
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19911 |
62 |
| Airbus Operations GmbH | 3290 |
40 |
| Goodrich Actuation Systems SAS | 149 |
36 |
| Hamilton Sundstrand Corporation | 4728 |
32 |
| Goodrich Actuation Systems Limited | 236 |
23 |
| Safran Electronics & Defense | 1230 |
16 |
| Liebherr-Aerospace Lindenberg GmbH | 117 |
15 |
| Bombardier Inc. | 749 |
12 |
| Moog Inc. | 420 |
12 |
| Airbus Operations Limited | 1217 |
11 |
| Parker Intangibles LLC | 1197 |
8 |
| Airbus Operations S.A.S. | 2447 |
7 |
| BAE SYSTEMS plc | 2298 |
7 |
| Ratier-figeac SAS | 181 |
7 |
| Eaton Intelligent Power Limited | 6300 |
7 |
| Bell Helicopter Textron Inc. | 1085 |
6 |
| Airbus Helicopters | 962 |
4 |
| AeroVironment, Inc. | 517 |
4 |
| Nabtesco Corporation | 883 |
4 |
| Textron Innovations Inc. | 2192 |
4 |
| Other owners | 110 |