- All sections
- B - Performing operations; transporting
- 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: 846
10-year publication summary
75
|
51
|
64
|
87
|
83
|
70
|
121
|
136
|
142
|
38
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Yamaha Motor Co., Ltd. | 2740 |
33 |
Brunswick Corporation | 1271 |
30 |
Torqeedo GmbH | 70 |
27 |
Kai Concepts, LLC | 32 |
26 |
Siemens AG | 24990 |
22 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
17 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
17 |
Volvo Penta Corporation | 91 |
15 |
Taïga Motors Inc. | 126 |
13 |
AB Volvo Penta | 95 |
12 |
Honda Motor Co., Ltd. | 24537 |
9 |
Johnson Outdoors Inc. | 200 |
9 |
ABB Schweiz AG | 6321 |
9 |
Suzuki Motor Corporation | 1266 |
9 |
Fliteboard Pty Ltd | 39 |
8 |
Guangdong ePropulsion Technology Limited | 62 |
8 |
Yanmar Holdings Co., Ltd. | 380 |
8 |
Rolls-Royce PLC | 2944 |
7 |
Cayago GmbH | 25 |
7 |
Rosen Swiss AG | 128 |
7 |
Other owners | 553 |