- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 37/00 - Convertible aircraft
Patent holdings for IPC class B64C 37/00
Total number of patents in this class: 201
10-year publication summary
|
26
|
24
|
48
|
28
|
36
|
40
|
31
|
27
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 31237 |
7 |
| Piasecki Aircraft Corporation | 38 |
5 |
| Terrafugia, Inc. | 11 |
5 |
| Aeromobil R&D, S. R. o. | 17 |
5 |
| Hyalta Aeronautics, Inc. | 16 |
4 |
| United Services Automobile Association (USAA) | 2924 |
4 |
| Subaru Corporation | 3501 |
4 |
| Everon Corporation | 4 |
4 |
| Qualcomm Incorporated | 84084 |
3 |
| The Boeing Company | 19960 |
3 |
| AeroMobil, s.r.o. | 13 |
3 |
| Israel Aerospace Industries Ltd. | 517 |
3 |
| Tatsumi Ryoki Co., Ltd | 99 |
3 |
| JG Entrepreneurial Enterprises LLC | 8 |
3 |
| Alef Aeronautics Inc. | 3 |
3 |
| Fujitsu Limited | 18336 |
2 |
| California Institute of Technology | 3958 |
2 |
| Aurora Flight Sciences Corporation | 240 |
2 |
| BAE SYSTEMS plc | 2321 |
2 |
| The Board of Regents for Oklahoma State University | 156 |
2 |
| Other owners | 132 |