- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 1/26 - Blades
Patent holdings for IPC class B63H 1/26
Total number of patents in this class: 197
10-year publication summary
|
12
|
17
|
17
|
12
|
12
|
10
|
13
|
4
|
15
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharrow Engineering LLC | 44 |
11 |
| General Electric Company | 13861 |
10 |
| GE Infrastructure Technology, LLC | 6190 |
10 |
| Rtx Corporation | 9576 |
8 |
| Brunswick Corporation | 1403 |
5 |
| Pratt & Whitney Canada Corp. | 4885 |
4 |
| G.a.m. Manshanden Management B.V. | 4 |
4 |
| Nakashima Propeller Co., Ltd. | 12 |
4 |
| Safran Aircraft Engines | 6384 |
4 |
| Rolls-Royce PLC | 3141 |
3 |
| Yamaha Motor Co., Ltd. | 2825 |
3 |
| Hamilton Sundstrand Corporation | 4954 |
3 |
| Kabushiki Kaisha Bellsion | 29 |
3 |
| Kongsberg Maritime AS | 120 |
3 |
| Veem Engineering Group Pty Ltd. | 3 |
3 |
| Vestas Wind Systems A/S | 3709 |
3 |
| Siemens Gamesa Renewable Energy Service GmbH | 174 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8871 |
2 |
| Toshiba Corporation | 12540 |
2 |
| Mitsubishi Electric Corporation | 46870 |
2 |
| Other owners | 107 |