- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 5/08 - Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
Patent holdings for IPC class B63H 5/08
Total number of patents in this class: 123
10-year publication summary
|
7
|
12
|
12
|
7
|
11
|
15
|
12
|
7
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9172 |
10 |
| Yamaha Motor Co., Ltd. | 2854 |
6 |
| Yanmar Co., Ltd. | 1339 |
6 |
| Yanmar Power Technology Co., Ltd. | 580 |
4 |
| becker marine systems GmbH & Co. KG | 49 |
3 |
| Brunswick Corporation | 1494 |
3 |
| Juliet Marine Systems, Inc. | 14 |
3 |
| Korea Institute of Ocean Science & Technology | 441 |
3 |
| Schottel GmbH | 52 |
3 |
| Viking Life-Saving Equipment A/S | 61 |
3 |
| ABB Oy | 166 |
2 |
| Correct Craft IP Holdings, LLC | 45 |
2 |
| CPAC Systems AB | 54 |
2 |
| Damen 40 B.V. | 40 |
2 |
| National Maritime Research Institute | 15 |
2 |
| Kay Seven Co., Ltd. | 15 |
2 |
| A.P. Møller - Mærsk A/S | 142 |
2 |
| Mitsui E&S Shipbuilding Co., Ltd. | 44 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3277 |
2 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2253 |
2 |
| Other owners | 59 |