- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 25/36 - Rudder-position indicators
Patent holdings for IPC class B63H 25/36
Total number of patents in this class: 23
10-year publication summary
|
3
|
1
|
0
|
2
|
0
|
1
|
2
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shanghai Hongqu Electronic Technology Co., Ltd. | 16 |
6 |
| Mitsubishi Electric Corporation | 46346 |
2 |
| ZF Friedrichshafen AG | 7170 |
2 |
| Brunswick Corporation | 1372 |
2 |
| Furuno Electric Co., Ltd. | 956 |
2 |
| Honda Motor Co., Ltd. | 25379 |
1 |
| becker marine systems GmbH & Co. KG | 48 |
1 |
| DNS Co., Ltd. | 9 |
1 |
| Enovation Controls, LLC | 45 |
1 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 318 |
1 |
| NHK Spring Co., Ltd. | 1874 |
1 |
| Steering Solutions IP Holding Corporation | 927 |
1 |
| Twin Disc, Inc. | 96 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3048 |
1 |
| Other owners | 0 |