- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 21/17 - Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
Patent holdings for IPC class B63H 21/17
Total number of patents in this class: 990
10-year publication summary
|
45
|
58
|
79
|
75
|
66
|
114
|
124
|
136
|
131
|
78
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Motor Co., Ltd. | 2820 |
41 |
| Brunswick Corporation | 1371 |
37 |
| Kai Concepts, LLC | 42 |
30 |
| Torqeedo GmbH | 93 |
29 |
| Siemens AG | 24436 |
22 |
| Volvo Penta Corporation | 142 |
21 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
18 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3045 |
18 |
| Taïga Motors Inc. | 136 |
15 |
| Guangdong ePropulsion Technology Limited | 113 |
13 |
| Honda Motor Co., Ltd. | 25352 |
12 |
| AB Volvo Penta | 84 |
12 |
| Johnson Outdoors Inc. | 212 |
11 |
| Fliteboard Pty Ltd | 46 |
11 |
| Suzuki Motor Corporation | 1315 |
10 |
| ABB Schweiz AG | 7009 |
8 |
| Yanmar Holdings Co., Ltd. | 503 |
8 |
| Rolls-Royce PLC | 3125 |
7 |
| Bombardier Recreational Products Inc. | 1381 |
7 |
| Cayago GmbH | 23 |
7 |
| Other owners | 653 |