- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 31/04 - Man-powered aircraft
Patent holdings for IPC class B64C 31/04
Total number of patents in this class: 7
10-year publication summary
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1
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0
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1
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2
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1
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2
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1
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2
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19922 |
1 |
| William Mark Corporation | 22 |
1 |
| LR Acquisition, LLC | 6 |
1 |
| Mueller, Kurt | 1 |
1 |
| Guangdong Guoshijian Technology Development Co., Ltd. | 10 |
1 |
| Costruzioni e Servizi S.r.l.s. | 1 |
1 |
| Benterki, Mohamed Sadek | 1 |
1 |
| Other owners | 0 |