- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 25/56 - Floats inflatable
Patent holdings for IPC class B64C 25/56
Total number of patents in this class: 75
10-year publication summary
|
9
|
5
|
12
|
14
|
5
|
3
|
3
|
4
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2138 |
10 |
| Bell Helicopter Textron Inc. | 1122 |
9 |
| Airbus Helicopters | 984 |
7 |
| Safran AeroSystems | 95 |
7 |
| SZ DJI Technology Co., Ltd | 6791 |
6 |
| Volocopter GmbH | 89 |
2 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
2 |
| Heleng Inc. | 7 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Amazon Technologies, Inc. | 24422 |
1 |
| LG Innotek Co., Ltd. | 6758 |
1 |
| Airbus Helicopters Deutschland GmbH | 324 |
1 |
| Archimedes Pty Ltd. | 3 |
1 |
| Comac America Corporation | 8 |
1 |
| Du, Di | 4 |
1 |
| Elbit Systems Ltd. | 452 |
1 |
| GKN Aerospace Services Limited | 129 |
1 |
| Goodrich Corporation | 2081 |
1 |
| Insitu, Inc. | 165 |
1 |
| Inventec Appliances Corp. | 149 |
1 |
| Other owners | 18 |