- All sections
- B - Performing operations; transporting
- B63B - Ships or other waterborne vessels; equipment for shipping
- B63B 21/04 - Fastening or guiding equipment for chains, ropes, hawsers, or the like
Patent holdings for IPC class B63B 21/04
Total number of patents in this class: 279
10-year publication summary
|
36
|
28
|
33
|
22
|
29
|
28
|
35
|
35
|
36
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Svitzer A/S | 46 |
13 |
| APL Norway AS | 32 |
7 |
| Single Buoy Moorings Inc. | 327 |
7 |
| Flintstone Technology Limited | 30 |
6 |
| Orbital Marine Power Limited | 16 |
5 |
| Thales SA | 2318 |
4 |
| Akva Group ASA | 13 |
4 |
| Bardex Corporation | 42 |
4 |
| Nylacast Ltd | 18 |
4 |
| Subsea 7 Limited | 208 |
4 |
| Worthington Products, Inc. | 15 |
4 |
| Chevron U.S.A. Inc. | 3774 |
3 |
| APL Technology AS | 18 |
3 |
| Ino-rope | 3 |
3 |
| Land a Line Holdings, LLC | 4 |
3 |
| R & D Shed, L.L.C. | 9 |
3 |
| Rolls-Royce Marine AS | 71 |
3 |
| SOFEC, Inc. | 85 |
3 |
| Timberland Equipment Limited | 10 |
3 |
| Sealartec Ltd. | 3 |
3 |
| Other owners | 190 |