- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 1/04 - Propulsive elements directly acting on water of rotary type with rotation axis substantially at right angles to propulsive direction, e.g. paddle wheels
Patent holdings for IPC class B63H 1/04
Total number of patents in this class: 35
10-year publication summary
|
6
|
5
|
6
|
5
|
3
|
3
|
3
|
0
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Juliet Marine Systems, Inc. | 14 |
3 |
| Seafut ApS | 3 |
3 |
| Johnson Outdoors Inc. | 212 |
2 |
| Samsung Heavy Ind. Co., Ltd. | 239 |
2 |
| HTP Technologies B.V. | 3 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2784 |
1 |
| ZF Friedrichshafen AG | 7181 |
1 |
| ABB Oy | 158 |
1 |
| Purdue Research Foundation | 3676 |
1 |
| Aker Arctic Technology Oy | 21 |
1 |
| Chongqing Yunhan Marine Techenology Co., Ltd | 1 |
1 |
| Chongqing Yunhan Marine Technology Co., Ltd. | 5 |
1 |
| Cosmomind AB | 3 |
1 |
| Elomatic Oy | 21 |
1 |
| Enovation Controls, LLC | 44 |
1 |
| GE Energy Power Conversion Technology Ltd | 433 |
1 |
| Nakamura, Takuju | 1 |
1 |
| Turning Point Propellers, Inc. | 25 |
1 |
| Zhejiang Ocean University | 50 |
1 |
| Palmetto Propulsion, LLC | 2 |
1 |
| Other owners | 8 |