- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 5/16 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recessesArrangements on vessels of propulsion elements directly acting on water of propellers with stationary water-guiding elementsMeans to prevent fouling of the propeller, e.g. guards, cages or screens
Patent holdings for IPC class B63H 5/16
Total number of patents in this class: 170
10-year publication summary
|
12
|
22
|
15
|
15
|
14
|
17
|
11
|
13
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9188 |
13 |
| becker marine systems GmbH & Co. KG | 49 |
12 |
| BAE SYSTEMS plc | 2505 |
7 |
| Biofouling Technologies, Inc. | 22 |
6 |
| Korea Institute of Ocean Science & Technology | 441 |
6 |
| Weedoo Greenboat Inc. | 16 |
5 |
| Japan Marine United Corporation | 73 |
4 |
| National Maritime Research Institute | 15 |
4 |
| Twin Disc, Inc. | 98 |
4 |
| Samsung Heavy Ind. Co., Ltd. | 249 |
3 |
| Sport Marine Technologies, Inc. | 16 |
3 |
| Koninklijke Philips N.V. | 25999 |
2 |
| Bombardier Recreational Products Inc. | 1525 |
2 |
| Brooks Stevens Design Associates, Inc. | 3 |
2 |
| BRP US Inc. | 302 |
2 |
| Nippon Yusen Kabushiki Kaisha | 169 |
2 |
| San Marco S.N.C. di Carli Maurizio & C. | 2 |
2 |
| Solas Science & Engineering Co., Ltd. | 65 |
2 |
| Wartsila Finland Oy | 754 |
2 |
| Wärtsilä Netherlands B.V. | 28 |
2 |
| Other owners | 85 |