- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 21/50 - Anchoring arrangements for special vessels, e.g. for floating drilling platforms or dredgers
Patent holdings for IPC class B63B 21/50
Total number of patents in this class: 1221
10-year publication summary
|
85
|
82
|
93
|
95
|
81
|
75
|
89
|
101
|
98
|
87
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Single Buoy Moorings Inc. | 321 |
95 |
| SOFEC, Inc. | 97 |
43 |
| Bluewater Energy Services B.V. | 66 |
29 |
| Technip France | 703 |
28 |
| Flintstone Technology Limited | 31 |
24 |
| APL Norway AS | 35 |
17 |
| Jurong Shipyard Pte. Ltd. | 30 |
17 |
| Marine Power Systems Ltd | 39 |
15 |
| Equinor Energy AS | 503 |
15 |
| Korea Institute of Ocean Science & Technology | 422 |
14 |
| Totalenergies Onetech | 1391 |
14 |
| Horisont Energi AS | 35 |
11 |
| Bardex Corporation | 51 |
10 |
| Saipem S.A. | 229 |
10 |
| Samsung Heavy Ind. Co., Ltd. | 239 |
10 |
| APL Technology AS | 17 |
9 |
| Balltec Limited | 31 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3555 |
8 |
| Nov-blm | 20 |
8 |
| Subsea 7 Limited | 222 |
8 |
| Other owners | 827 |