- All sections
- B - Performing operations; transporting
- B63H - Marine propulsion or steering
- B63H 3/00 - Propeller-blade pitch changing
Patent holdings for IPC class B63H 3/00
Total number of patents in this class: 120
10-year publication summary
|
5
|
11
|
15
|
10
|
4
|
8
|
10
|
3
|
6
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Max Prop S.r.l. | 21 |
13 |
| GE Infrastructure Technology, LLC | 5873 |
9 |
| Pratt & Whitney Canada Corp. | 4215 |
6 |
| Thales SA | 2318 |
4 |
| Yamaha Motor Co., Ltd. | 2740 |
3 |
| Nordex Energy SE & Co. KG | 134 |
3 |
| Siemens AG | 24990 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Airbus Helicopters | 984 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Caterpillar Propulsion Production AB | 15 |
2 |
| Hyundai Heavy Industries Co., Ltd. | 281 |
2 |
| Kitty Hawk Corporation | 279 |
2 |
| Korea Institute of Ocean Science & Technology | 353 |
2 |
| Wärtsilä Netherlands B.V. | 22 |
2 |
| Vestas Wind Systems A/S | 3459 |
2 |
| Thales | 1854 |
2 |
| Volvo Penta Corporation | 91 |
2 |
| Korea Shipbuilding & Offshore Engineering Co.,Ltd. | 28 |
2 |
| Submersed Technologies Pp1 AB | 3 |
2 |
| Other owners | 54 |