- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 27/615 - Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical including flaps mounted on blades
Patent holdings for IPC class B64C 27/615
Total number of patents in this class: 69
10-year publication summary
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5
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4
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3
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1
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2
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2
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1
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3
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bell Helicopter Textron Inc. | 1054 |
15 |
| Sikorsky Aircraft Corporation | 1114 |
8 |
| Claverham Ltd. | 31 |
6 |
| The Boeing Company | 19960 |
5 |
| Textron Innovations Inc. | 2242 |
5 |
| EADS Deutschland GmbH | 372 |
4 |
| Microtecnica S.r.l. | 81 |
4 |
| Skyworks Global Inc | 42 |
4 |
| Eurocopter Deutschland GmbH | 26 |
3 |
| Airbus Helicopters Deutschland GmbH | 327 |
2 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 319 |
2 |
| Leonardo UK Ltd | 120 |
2 |
| Lockheed Martin Corporation | 3282 |
1 |
| Mitsui Chemicals, Inc. | 3192 |
1 |
| Karem Aircraft, Inc. | 38 |
1 |
| Kitty Hawk Corporation | 297 |
1 |
| Liebherr-Aerospace Lindenberg GmbH | 118 |
1 |
| GE Infrastructure Technology, LLC | 6184 |
1 |
| Seoul National University R&db Foundation | 3479 |
1 |
| Vestas Wind Systems A/S | 3635 |
1 |
| Other owners | 1 |