- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 81/00 - Repairing or maintaining vessels
Patent holdings for IPC class B63B 81/00
Total number of patents in this class: 52
10-year publication summary
|
1
|
2
|
1
|
6
|
3
|
3
|
9
|
13
|
7
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Oy | 168 |
3 |
| American Bureau of Shipping | 45 |
3 |
| e M & I (maritime) Limited | 15 |
3 |
| Nippon Yusen Kabushiki Kaisha | 170 |
2 |
| Mærsk A/S | 113 |
2 |
| Shell USA, Inc. | 1325 |
2 |
| MODEC America, Inc. | 30 |
2 |
| Sb-sintec SRL | 2 |
2 |
| Illinois Tool Works Inc. | 11864 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3397 |
1 |
| Ajou University Industry-academic Cooperation Foundation | 1182 |
1 |
| Ciel et Terre International | 30 |
1 |
| Fin Control Systems Pty. Limited | 28 |
1 |
| Japan Marine United Corporation | 73 |
1 |
| KEPCO Engineering & Construction Company, Inc. | 79 |
1 |
| Petroleo Brasileiro S.A. - Petrobras | 969 |
1 |
| The Secretary of State for Defence | 407 |
1 |
| Swift IP, LLC | 224 |
1 |
| Touchstone Research Laboratory, Ltd. | 12 |
1 |
| Vigor Industrial LLC | 19 |
1 |
| Other owners | 21 |