- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 3/52 - Warping
Patent holdings for IPC class B64C 3/52
Total number of patents in this class: 61
10-year publication summary
|
9
|
6
|
8
|
9
|
2
|
2
|
4
|
1
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20186 |
14 |
| Airbus Operations Limited | 1349 |
3 |
| Bombardier Inc. | 762 |
2 |
| Commercial Aircraft Corporation of China, Ltd | 180 |
2 |
| Commercial Aircraft Corporation of China, Ltd Shanghai Aircraft Design and Research Institute | 75 |
2 |
| Google LLC | 44614 |
2 |
| Leonardo S.p.A. | 698 |
2 |
| Shanghai Aircraft Manufacturing Co Ltd | 20 |
2 |
| University of Kansas | 924 |
2 |
| Brunel University London | 42 |
2 |
| HAPSMobile Inc. | 93 |
2 |
| Toyota Motor Corporation | 35927 |
1 |
| Airbus Operations GmbH | 3459 |
1 |
| Massachusetts Institute of Technology | 10282 |
1 |
| Rolls-Royce PLC | 3224 |
1 |
| Hamilton Sundstrand Corporation | 5014 |
1 |
| University of Florida Research Foundation, Inc. | 4188 |
1 |
| AeroVironment, Inc. | 580 |
1 |
| Alpraaz AB | 21 |
1 |
| Aurora Flight Sciences Corporation | 246 |
1 |
| Other owners | 17 |