- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 21/66 - Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables
Patent holdings for IPC class B63B 21/66
Total number of patents in this class: 475
10-year publication summary
|
55
|
53
|
48
|
28
|
37
|
31
|
20
|
21
|
8
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Thales SA | 2346 |
42 |
| PGS Geophysical AS | 538 |
29 |
| Thales | 1841 |
27 |
| Atlas Elektronik GmbH | 397 |
16 |
| Digicourse, LLC | 56 |
15 |
| The United States of America as represented by the Secretary of the Navy | 2767 |
14 |
| Geco Technology B.V. | 346 |
14 |
| Schlumberger Canada Limited | 7350 |
13 |
| WesternGeco L.L.C. | 559 |
10 |
| Sercel | 206 |
9 |
| ThyssenKrupp AG | 3298 |
9 |
| Magseis FF LLC | 134 |
9 |
| CGG Services SA | 419 |
8 |
| Liquid Robotics, Inc. | 53 |
7 |
| Ulmatec Baro AS | 9 |
7 |
| Thyboron Skibssmedie A/S | 17 |
7 |
| TGS-NOPEC Geophysical Company, DBA TGS Imaging | 58 |
7 |
| Shearwater Invest AS | 7 |
6 |
| Dalian University of Technology | 1521 |
5 |
| ION Geophysical Corporation | 120 |
5 |
| Other owners | 216 |