- 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: 203
10-year publication summary
|
12
|
19
|
20
|
12
|
12
|
10
|
15
|
4
|
16
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharrow Engineering LLC | 46 |
11 |
| General Electric Company | 13780 |
10 |
| GE Infrastructure Technology, LLC | 6222 |
10 |
| Rtx Corporation | 9376 |
8 |
| Brunswick Corporation | 1360 |
5 |
| The Penn State Research Foundation | 1518 |
5 |
| Pratt & Whitney Canada Corp. | 4745 |
4 |
| G.a.m. Manshanden Management B.V. | 4 |
4 |
| Nakashima Propeller Co., Ltd. | 11 |
4 |
| Safran Aircraft Engines | 6276 |
4 |
| Tc1 LLC | 633 |
4 |
| Rolls-Royce PLC | 3094 |
3 |
| Yamaha Motor Co., Ltd. | 2814 |
3 |
| Hamilton Sundstrand Corporation | 4868 |
3 |
| Kabushiki Kaisha Bellsion | 28 |
3 |
| Kongsberg Maritime AS | 117 |
3 |
| Veem Engineering Group Pty Ltd. | 3 |
3 |
| Vestas Wind Systems A/S | 3676 |
3 |
| Siemens Gamesa Renewable Energy Service GmbH | 176 |
3 |
| Albert Handtmann Elteka GmbH & Co.KG | 3 |
3 |
| Other owners | 107 |