- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 3/38 - Keels
Patent holdings for IPC class B63B 3/38
Total number of patents in this class: 66
10-year publication summary
|
8
|
8
|
14
|
6
|
12
|
10
|
6
|
6
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TGS-NOPEC Geophysical Company, DBA TGS Imaging | 58 |
5 |
| Bombardier Recreational Products Inc. | 1315 |
4 |
| Fish Sean Ventures, LLC | 3 |
3 |
| Caterpillar Propulsion Production AB | 15 |
2 |
| Correct Craft IP Holdings, LLC | 43 |
2 |
| Flying Fin Systems Pty Ltd | 14 |
2 |
| Jurong Shipyard Pte. Ltd. | 35 |
2 |
| Sarah-may Steenkamp | 2 |
2 |
| Sailorscale Oy | 2 |
2 |
| Everblue Technologies Co., Ltd. | 5 |
2 |
| GM Global Technology Operations LLC | 14361 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2729 |
1 |
| ZF Friedrichshafen AG | 7061 |
1 |
| Yamaha Motor Co., Ltd. | 2805 |
1 |
| Advanced Elements, Inc. | 15 |
1 |
| Aktiebolaget SKF | 2856 |
1 |
| BRP US Inc. | 300 |
1 |
| Damen 40 B.V. | 42 |
1 |
| EXEL Industries | 528 |
1 |
| Firovi, S.A. | 4 |
1 |
| Other owners | 30 |