- 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
|
3
|
4
|
10
|
2
|
6
|
7
|
11
|
10
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Motor Co., Ltd. | 2825 |
9 |
| Kongsberg Maritime AS | 120 |
5 |
| G.a.m. Manshanden Management B.V. | 4 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8871 |
3 |
| Vortex Pipe Systems LLC | 40 |
3 |
| The Yacht Group, LLC | 12 |
3 |
| Siemens AG | 24337 |
2 |
| Panasonic Corporation | 19969 |
2 |
| Interactive Fully Electrical Vehicles SRL | 37 |
2 |
| MTU Aero Engines GmbH | 472 |
2 |
| Rosen Swiss AG | 87 |
2 |
| Voith Patent GmbH | 2780 |
2 |
| Cyclazoom LLC | 24 |
2 |
| MHL Custom, Inc. | 6 |
2 |
| Kongsberg Maritime Sweden AB | 28 |
2 |
| Everon Corporation | 4 |
2 |
| Insumo B.V. | 2 |
2 |
| Rosenxt Holding AG | 27 |
2 |
| General Electric Company | 13861 |
1 |
| LG Electronics Inc. | 73678 |
1 |
| Other owners | 46 |