- All sections
- B - Performing operations; transporting
- B63J - Auxiliaries on vessels
- B63J 3/04 - Driving of auxiliaries from power plant other than propulsion power plant
Patent holdings for IPC class B63J 3/04
Total number of patents in this class: 191
10-year publication summary
|
11
|
19
|
12
|
20
|
18
|
16
|
23
|
29
|
27
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24573 |
9 |
| Torqeedo GmbH | 88 |
9 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3015 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8531 |
6 |
| Stemmann-Technik GmbH | 34 |
6 |
| Mitsubishi Shipbuilding Co., Ltd. | 152 |
4 |
| Wavetamer LLC | 29 |
4 |
| Fuji Electric Co., Ltd. | 4966 |
3 |
| Daewoo Shipbuilding & Marine Engineering Co., Ltd. | 236 |
3 |
| Igus GmbH | 511 |
3 |
| Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd. | 76 |
3 |
| Korea Shipbuilding & Offshore Engineering Co.,Ltd. | 29 |
3 |
| Voltai Inc. | 7 |
3 |
| Airbus S.A.S. | 852 |
2 |
| ABB Research Ltd. | 913 |
2 |
| becker marine systems GmbH & Co. KG | 46 |
2 |
| Bloom Energy Corporation | 628 |
2 |
| Hyundai Heavy Industries Co., Ltd. | 277 |
2 |
| Kongsberg Maritime AS | 111 |
2 |
| Korea Maritime University Industry-Academic Cooperation Foundation | 60 |
2 |
| Other owners | 113 |