- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 1/06 - Propulsive elements directly acting on water of rotary type with rotation axis substantially at right angles to propulsive direction, e.g. paddle wheels with adjustable vanes or blades
Patent holdings for IPC class B63H 1/06
Total number of patents in this class: 29
10-year publication summary
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1
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3
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2
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1
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1
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3
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2374 |
4 |
| Sikorsky Aircraft Corporation | 1091 |
3 |
| Kitty Hawk Corporation | 305 |
2 |
| GE Infrastructure Technology, LLC | 6200 |
2 |
| The Boeing Company | 20081 |
1 |
| Pratt & Whitney Canada Corp. | 4973 |
1 |
| Cadence Design Systems, Inc. | 1787 |
1 |
| The Regents of the University of Michigan | 4812 |
1 |
| ABB Schweiz AG | 7240 |
1 |
| Bell Helicopter Rhode Island, Inc. | 52 |
1 |
| Bell Helicopter Textron Inc. | 1016 |
1 |
| Coriolis-Wind Inc | 2 |
1 |
| ECP Entwicklungsgesellschaft mbH | 235 |
1 |
| Lord Corporation | 465 |
1 |
| Pan Air Electric Co., Ltd. | 13 |
1 |
| Rotating Composite Technologies, LLC | 4 |
1 |
| The Texas a & M University System | 1787 |
1 |
| Viryd Technologies Inc. | 2 |
1 |
| Woodward, Inc. | 664 |
1 |
| Vestas Wind Systems A/S | 3730 |
1 |
| Other owners | 2 |