- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 1/16 - Propellers having a shrouding ring attached to blades
Patent holdings for IPC class B63H 1/16
Total number of patents in this class: 99
10-year publication summary
|
4
|
10
|
2
|
6
|
9
|
11
|
11
|
7
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Motor Co., Ltd. | 2846 |
9 |
| Kongsberg Maritime AS | 131 |
5 |
| G.a.m. Manshanden Management B.V. | 4 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
3 |
| Vortex Pipe Systems LLC | 41 |
3 |
| Everon Corporation | 5 |
3 |
| The Yacht Group, LLC | 13 |
3 |
| Siemens AG | 23956 |
2 |
| Panasonic Corporation | 18716 |
2 |
| Interactive Fully Electrical Vehicles SRL | 37 |
2 |
| MTU Aero Engines GmbH | 408 |
2 |
| Rosen Swiss AG | 84 |
2 |
| Voith Patent GmbH | 2740 |
2 |
| Cyclazoom LLC | 24 |
2 |
| MHL Custom, Inc. | 6 |
2 |
| Kongsberg Maritime Sweden AB | 35 |
2 |
| Insumo B.V. | 2 |
2 |
| Rosenxt Holding AG | 44 |
2 |
| General Electric Company | 13982 |
1 |
| LG Electronics Inc. | 76087 |
1 |
| Other owners | 45 |