- 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: 205
10-year publication summary
|
19
|
20
|
12
|
12
|
10
|
15
|
4
|
16
|
11
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 14021 |
10 |
| GE Infrastructure Technology, LLC | 6147 |
9 |
| Rtx Corporation | 10240 |
8 |
| Sharrow Engineering Inc. | 30 |
7 |
| Brunswick Corporation | 1508 |
6 |
| Sharrow Engineering LLC | 18 |
6 |
| Pratt & Whitney Canada Corp. | 5627 |
4 |
| G.a.m. Manshanden Management B.V. | 4 |
4 |
| Nakashima Propeller Co., Ltd. | 10 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9271 |
3 |
| Rolls-Royce PLC | 3233 |
3 |
| Yamaha Motor Co., Ltd. | 2838 |
3 |
| Hamilton Sundstrand Corporation | 5012 |
3 |
| Kabushiki Kaisha Bellsion | 28 |
3 |
| Kongsberg Maritime AS | 134 |
3 |
| Safran Aircraft Engines | 6811 |
3 |
| Veem Engineering Group Pty Ltd. | 3 |
3 |
| Vestas Wind Systems A/S | 3838 |
3 |
| Kongsberg Maritime Sweden AB | 35 |
3 |
| Siemens Gamesa Renewable Energy Service GmbH | 155 |
3 |
| Other owners | 114 |