- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 19/04 - Marine propulsion not otherwise provided for by using energy derived from movement of ambient water, e.g. from rolling or pitching of vessels propelled by water current
Patent holdings for IPC class B63H 19/04
Total number of patents in this class: 11
10-year publication summary
|
4
|
0
|
2
|
1
|
0
|
3
|
1
|
1
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Liquid Robotics, Inc. | 53 |
2 |
| Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences | 233 |
1 |
| Jospa Limited | 9 |
1 |
| Tianjin University | 812 |
1 |
| YBM Co., Ltd. | 4 |
1 |
| Korea Maritime and Ocean University Research and Development Business Foundation | 1 |
1 |
| Cetus Technology Ltd | 2 |
1 |
| Current Power Energy Systems, Inc. | 1 |
1 |
| Caponnetto Hueber SL | 10 |
1 |
| Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) | 21 |
1 |
| Other owners | 0 |