- All sections
- B - Performing operations; transporting
- B63H - Marine propulsion or steering
- B63H 25/38 - Rudders
Patent holdings for IPC class B63H 25/38
Total number of patents in this class: 201
10-year publication summary
|
16
|
13
|
32
|
24
|
13
|
20
|
26
|
27
|
25
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| becker marine systems GmbH & Co. KG | 47 |
15 |
| Kay Seven Co., Ltd. | 14 |
11 |
| Malibu Boats, LLC | 66 |
6 |
| Saildrone, Inc. | 13 |
6 |
| Furuno Electric Co., Ltd. | 875 |
5 |
| Japan Hamworthy & Co., Ltd. | 8 |
5 |
| Hobie Cat IP, LLC | 27 |
5 |
| MasterCraft Boat Company, LLC | 177 |
4 |
| Kamome Propeller Co., Ltd. | 9 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
3 |
| Yamaha Motor Co., Ltd. | 2740 |
3 |
| Brunswick Corporation | 1271 |
3 |
| ThyssenKrupp AG | 3086 |
3 |
| Mitsui E&S Shipbuilding Co., Ltd. | 45 |
3 |
| Van der Velden Barkemeyer GmbH | 6 |
3 |
| Michigan Wheel | 3 |
3 |
| Everblue Technologies Co., Ltd. | 5 |
3 |
| Raytheon Company | 8535 |
2 |
| ZF Friedrichshafen AG | 6820 |
2 |
| Other owners | 109 |