- All sections
- B - Performing operations; transporting
- B63B - Ships or other waterborne vessels; equipment for shipping
- B63B 3/38 - Keels
Patent holdings for IPC class B63B 3/38
Total number of patents in this class: 70
10-year publication summary
12
|
8
|
8
|
14
|
6
|
12
|
10
|
6
|
6
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
TGS-NOPEC Geophysical Company, DBA TGS Imaging | 55 |
5 |
Bombardier Recreational Products Inc. | 1262 |
4 |
Fish Sean Ventures, LLC | 3 |
3 |
Caterpillar Propulsion Production AB | 15 |
2 |
Correct Craft IP Holdings, LLC | 41 |
2 |
Flying Fin Systems Pty Ltd | 14 |
2 |
MagnaSail, LLC | 3 |
2 |
Jurong Shipyard Pte. Ltd. | 36 |
2 |
Sarah-may Steenkamp | 2 |
2 |
Sailorscale Oy | 2 |
2 |
Everblue Technologies Co., Ltd. | 5 |
2 |
Siemens AG | 24990 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
ZF Friedrichshafen AG | 6820 |
1 |
Yamaha Motor Co., Ltd. | 2740 |
1 |
Advanced Elements, Inc. | 16 |
1 |
Aktiebolaget SKF | 2700 |
1 |
BRP US Inc. | 287 |
1 |
Damen 40 B.V. | 40 |
1 |
Other owners | 33 |