- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 13/50 - Transmitting means with power amplification using electrical energy
Patent holdings for IPC class B64C 13/50
Total number of patents in this class: 865
10-year publication summary
| 43 | 78 | 77 | 92 | 69 | 50 | 81 | 77 | 65 | 40 | 
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | All patents | This class | 
|---|---|---|
| The Boeing Company | 20157 | 90 | 
| Textron Innovations Inc. | 2351 | 47 | 
| Safran Electronics & Defense | 1295 | 44 | 
| Beta Air, LLC | 610 | 40 | 
| Hamilton Sundstrand Corporation | 4934 | 36 | 
| Sikorsky Aircraft Corporation | 1097 | 35 | 
| Airbus Operations S.A.S. | 2497 | 32 | 
| Goodrich Actuation Systems SAS | 170 | 31 | 
| Bombardier Inc. | 756 | 27 | 
| Bell Helicopter Textron Inc. | 1059 | 20 | 
| Airbus Operations GmbH | 3363 | 19 | 
| BAE SYSTEMS plc | 2362 | 18 | 
| Honeywell International Inc. | 13564 | 16 | 
| Airbus Helicopters | 972 | 15 | 
| Goodrich Actuation Systems Limited | 249 | 15 | 
| Liebherr-Aerospace Lindenberg GmbH | 120 | 14 | 
| Airbus Canada Limited Partnership | 113 | 13 | 
| Lilium eAircraft GmbH | 87 | 12 | 
| Eaton Intelligent Power Limited | 6043 | 11 | 
| Nabtesco Corporation | 884 | 9 | 
| Other owners | 321 | 
