- 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: 1050
10-year publication summary
|
64
|
87
|
83
|
70
|
122
|
137
|
143
|
135
|
111
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Motor Co., Ltd. | 2827 |
44 |
| Brunswick Corporation | 1459 |
43 |
| Kai Concepts, LLC | 42 |
30 |
| Torqeedo GmbH | 91 |
28 |
| Siemens AG | 24132 |
22 |
| Volvo Penta Corporation | 180 |
22 |
| Mitsubishi Heavy Industries, Ltd. | 9041 |
19 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3210 |
18 |
| Taïga Motors Inc. | 139 |
14 |
| Suzuki Motor Corporation | 1358 |
13 |
| Guangdong ePropulsion Technology Limited | 120 |
13 |
| Honda Motor Co., Ltd. | 25903 |
12 |
| AB Volvo Penta | 81 |
12 |
| Fliteboard Pty Ltd | 51 |
12 |
| Johnson Outdoors Inc. | 221 |
11 |
| ABB Schweiz AG | 7508 |
9 |
| Yanmar Holdings Co., Ltd. | 592 |
9 |
| HD Korea Shipbuilding ＆ Offshore Engineering Co., Ltd. | 106 |
9 |
| Bombardier Recreational Products Inc. | 1501 |
8 |
| Rolls-Royce PLC | 3188 |
7 |
| Other owners | 695 |