- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 25/38 - Rudders
Patent holdings for IPC class B63H 25/38
Total number of patents in this class: 221
10-year publication summary
|
32
|
24
|
13
|
20
|
26
|
27
|
26
|
12
|
19
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| becker marine systems GmbH & Co. KG | 49 |
16 |
| Kay Seven Co., Ltd. | 15 |
11 |
| Brunswick Corporation | 1479 |
7 |
| Japan Hamworthy & Co., Ltd. | 10 |
7 |
| Malibu Boats, LLC | 72 |
7 |
| Saildrone, Inc. | 17 |
6 |
| Furuno Electric Co., Ltd. | 995 |
5 |
| Yamaha Motor Co., Ltd. | 2837 |
4 |
| MasterCraft Boat Company, LLC | 211 |
4 |
| Vector Controls, Inc. | 33 |
4 |
| Kamome Propeller Co., Ltd. | 10 |
4 |
| White River Marine Group, LLC | 263 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2856 |
3 |
| ThyssenKrupp AG | 3423 |
3 |
| Van der Velden Barkemeyer GmbH | 6 |
3 |
| Everblue Technologies Co., Ltd. | 7 |
3 |
| SeaTrain Technology LLC | 5 |
3 |
| Raytheon Company | 8457 |
2 |
| ZF Friedrichshafen AG | 7235 |
2 |
| Other owners | 120 |