- All sections
- B - Performing operations; transporting
- B63B - Ships or other waterborne vessels; equipment for shipping
- B63B 21/00 - Tying-up; Shifting, towing, or pushing equipment; Anchoring
Patent holdings for IPC class B63B 21/00
Total number of patents in this class: 471
10-year publication summary
|
49
|
39
|
55
|
40
|
51
|
50
|
41
|
45
|
38
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SOFEC, Inc. | 85 |
27 |
| Jurong Shipyard Pte. Ltd. | 36 |
20 |
| Single Buoy Moorings Inc. | 327 |
18 |
| Bluewater Energy Services B.V. | 69 |
13 |
| The Hookcups Group, Inc. | 10 |
8 |
| Maid IP Holdings Pty/ltd | 8 |
8 |
| Technip France | 737 |
7 |
| Dual Docker GmbH | 5 |
5 |
| Flintstone Technology Limited | 30 |
5 |
| IHC Holland IE B.V. | 277 |
5 |
| Shell Oil Company | 2196 |
4 |
| Chevron U.S.A. Inc. | 3774 |
4 |
| The Yokohama Rubber Co., Ltd. | 3929 |
4 |
| APL Norway AS | 32 |
4 |
| Cavotec MSL Holdings Limited | 7 |
4 |
| Connect LNG AS | 11 |
4 |
| Furuno Electric Co., Ltd. | 875 |
4 |
| Korea Institute of Ocean Science & Technology | 353 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
3 |
| Other owners | 317 |