- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 3/44 - Varying camber
Patent holdings for IPC class B64C 3/44
Total number of patents in this class: 117
10-year publication summary
|
18
|
10
|
12
|
8
|
11
|
6
|
7
|
9
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19980 |
21 |
| AeroVironment, Inc. | 532 |
11 |
| Bombardier Inc. | 742 |
7 |
| Toyota Motor Corporation | 31311 |
4 |
| Airbus Operations Limited | 1250 |
4 |
| Massachusetts Institute of Technology | 9984 |
4 |
| Airbus Operations GmbH | 3318 |
3 |
| BAE SYSTEMS plc | 2321 |
3 |
| Cornerstone Research Group, Inc. | 65 |
3 |
| Israel Aerospace Industries Ltd. | 518 |
3 |
| The United States of America as represented by the Secretary of the Air Force | 834 |
3 |
| Airbus Defence and Space GmbH | 869 |
2 |
| Alstom Renewable Technologies | 72 |
2 |
| Aviation Partners, Inc. | 28 |
2 |
| FlexSys, Inc. | 28 |
2 |
| Hyalta Aeronautics, Inc. | 16 |
2 |
| Industry-University Cooperation Foundation Korea Aerospace University | 148 |
2 |
| Short Brothers plc, | 185 |
2 |
| Sonaca S.A. | 56 |
2 |
| Technion Research and Development Foundation Ltd. | 331 |
2 |
| Other owners | 33 |