- All sections
- B - Performing operationstransporting
- B63H - Marine propulsion or steering
- B63H 23/32 - Other parts
Patent holdings for IPC class B63H 23/32
Total number of patents in this class: 129
10-year publication summary
|
11
|
18
|
11
|
5
|
8
|
11
|
11
|
17
|
5
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Oy | 158 |
11 |
| Samsung Heavy Ind. Co., Ltd. | 238 |
6 |
| Brunswick Corporation | 1352 |
5 |
| Kongsberg Maritime Sweden AB | 28 |
5 |
| Yamaha Motor Co., Ltd. | 2811 |
4 |
| Voith Patent GmbH | 2756 |
4 |
| Wartsila Finland Oy | 741 |
4 |
| Caudwell Marine Limited | 18 |
4 |
| Schaeffler Technologies AG & Co. KG | 9807 |
3 |
| Aktiebolaget SKF | 2934 |
3 |
| GE Energy Power Conversion Technology Ltd | 424 |
3 |
| Lagersmit Sealing Solutions B.V. | 37 |
3 |
| Siemens AG | 24525 |
2 |
| ZF Friedrichshafen AG | 7135 |
2 |
| AB Volvo Penta | 84 |
2 |
| Blohm + Voss Industries GmbH | 7 |
2 |
| Caterpillar Propulsion Production AB | 15 |
2 |
| RENK Aktiengesellschaft | 16 |
2 |
| SKF Blohm + Voss Industries GmbH | 8 |
2 |
| SKF Marine GmbH | 84 |
2 |
| Other owners | 58 |