- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 35/12 - Ice-breakers having ice-cutters
Patent holdings for IPC class B63B 35/12
Total number of patents in this class: 29
10-year publication summary
|
0
|
2
|
2
|
2
|
1
|
3
|
1
|
3
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FINCANTIERI S.p.A. | 82 |
3 |
| Stone Aerospace, Inc. | 28 |
3 |
| ExxonMobil Upstream Research Company | 2313 |
2 |
| Korea Institute of Ocean Science & Technology | 441 |
2 |
| Jiangsu University of Science and Technology | 395 |
2 |
| Bifrost Tug AS | 5 |
2 |
| Eisbar Architecture + Engineering Research PC | 2 |
2 |
| California Institute of Technology | 4040 |
1 |
| Yamaha Motor Co., Ltd. | 2831 |
1 |
| Mobimar Oy | 3 |
1 |
| Moss Maritime AS | 12 |
1 |
| National Research Council of Canada | 1546 |
1 |
| Rolls-Royce Aktiebolag | 24 |
1 |
| Saipem S.A. | 230 |
1 |
| Siemens Gamesa Renewable Energy A/S | 1952 |
1 |
| Guangdong Ocean University | 199 |
1 |
| CAYAGO TEC GmbH | 31 |
1 |
| Dåfjorden Slipp AS | 2 |
1 |
| Abstract Ice, Inc. | 41 |
1 |
| Gatorfur, LLC | 43 |
1 |
| Other owners | 0 |