- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 25/56 - Floats inflatable
Patent holdings for IPC class B64C 25/56
Total number of patents in this class: 73
10-year publication summary
|
5
|
10
|
13
|
4
|
3
|
3
|
3
|
2
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2351 |
10 |
| Bell Helicopter Textron Inc. | 1059 |
9 |
| Safran AeroSystems | 246 |
8 |
| Airbus Helicopters | 972 |
7 |
| SZ DJI Technology Co., Ltd | 6862 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12737 |
2 |
| Heleng Inc. | 7 |
2 |
| Volocopter Technologies GmbH | 63 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
1 |
| Amazon Technologies, Inc. | 27080 |
1 |
| LG Innotek Co., Ltd. | 7862 |
1 |
| Airbus Helicopters Deutschland GmbH | 331 |
1 |
| Archimedes Pty Ltd. | 3 |
1 |
| Comac America Corporation | 8 |
1 |
| GKN Aerospace Services Limited | 143 |
1 |
| Goodrich Corporation | 2149 |
1 |
| Insitu, Inc. | 160 |
1 |
| Inventec Appliances Corp. | 139 |
1 |
| Inventec Appliances (Pudong) Corporation | 91 |
1 |
| Inventec Appliances (Shanghai) Co. Ltd. | 83 |
1 |
| Other owners | 15 |