- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 20/28 - Cooling-water intakes
Patent holdings for IPC class B63H 20/28
Total number of patents in this class: 190
10-year publication summary
|
21
|
18
|
15
|
10
|
17
|
18
|
26
|
22
|
26
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Motor Co., Ltd. | 2811 |
41 |
| Brunswick Corporation | 1361 |
40 |
| Suzuki Motor Corporation | 1315 |
27 |
| AB Volvo Penta | 84 |
20 |
| Honda Motor Co., Ltd. | 25274 |
15 |
| Evoa, LLC | 14 |
4 |
| Flux Marine Ltd. | 16 |
4 |
| Forza X1, Inc., FORMERLY Twin Vee PowerCats Co. | 9 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
3 |
| Cox Powertrain Ltd | 44 |
3 |
| Freedom Outboard, LLC | 4 |
3 |
| BRP US Inc. | 304 |
2 |
| Changzhou Golden Motor Technology Co., Ltd. | 8 |
2 |
| Ecomar Propulsion Ltd | 8 |
2 |
| Aiwin Co., Ltd. | 2 |
2 |
| Toyota Motor Corporation | 32231 |
1 |
| Toyota Industries Corporation | 1117 |
1 |
| Blue Robotics Inc. | 12 |
1 |
| Torqeedo GmbH | 93 |
1 |
| Wartsila Finland Oy | 741 |
1 |
| Other owners | 13 |