- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 21/00 - Tying-upShifting, towing, or pushing equipmentAnchoring
Patent holdings for IPC class B63B 21/00
Total number of patents in this class: 532
10-year publication summary
|
55
|
40
|
51
|
51
|
42
|
52
|
52
|
37
|
38
|
38
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MODEC America, Inc. | 62 |
23 |
| Jurong Shipyard Pte. Ltd. | 28 |
17 |
| Single Buoy Moorings Inc. | 311 |
16 |
| SOFEC, Inc. | 53 |
15 |
| Maid IP Holdings Pty/ltd | 10 |
10 |
| Bluewater Energy Services B.V. | 50 |
8 |
| Technip France | 668 |
7 |
| The Hookcups Group, Inc. | 7 |
6 |
| Chevron U.S.A. Inc. | 4186 |
5 |
| APL Norway AS | 36 |
5 |
| Delmar Systems, Inc. | 22 |
5 |
| Dual Docker GmbH | 5 |
5 |
| Flintstone Technology Limited | 34 |
5 |
| IHC Holland IE B.V. | 261 |
5 |
| Korea Institute of Ocean Science & Technology | 443 |
5 |
| Petroleo Brasileiro S.A. - Petrobras | 982 |
5 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3310 |
5 |
| SEARES S.r.L. | 7 |
5 |
| Totalenergies Onetech | 1557 |
5 |
| The United States of America as represented by the Secretary of the Navy | 2862 |
4 |
| Other owners | 371 |