- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment 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: 301
10-year publication summary
|
28
|
33
|
22
|
29
|
28
|
35
|
38
|
41
|
23
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Svitzer A/S | 51 |
13 |
| APL Norway AS | 35 |
8 |
| Flintstone Technology Limited | 30 |
8 |
| Single Buoy Moorings Inc. | 319 |
8 |
| SOFEC, Inc. | 97 |
7 |
| Worthington Products, Inc. | 19 |
7 |
| Orbital Marine Power Limited | 16 |
5 |
| Thales SA | 2337 |
4 |
| Bardex Corporation | 51 |
4 |
| Bombardier Recreational Products Inc. | 1384 |
4 |
| Subsea 7 Limited | 221 |
4 |
| Chevron U.S.A. Inc. | 3955 |
3 |
| Akva Group ASA | 12 |
3 |
| APL Technology AS | 17 |
3 |
| Fjord, Inc. | 59 |
3 |
| Ino-rope | 3 |
3 |
| Kongsberg Maritime AS | 117 |
3 |
| Land a Line Holdings, LLC | 4 |
3 |
| R & D Shed, L.L.C. | 8 |
3 |
| Rolls-Royce Marine AS | 69 |
3 |
| Other owners | 202 |