Patent holdings for IPC class B63B 21/16

Total number of patents in this class: 147

10-year publication summary

16
12
17
13
7
15
12
18
16
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
2856
7
Thales SA
2318
6
Korea Institute of Ocean Science & Technology
353
6
Lewmar Limited
38
6
SOFEC, Inc.
85
6
APL Norway AS
32
5
Global Innovative Sports Incorporated
7
5
Kongsberg Maritime AS
122
4
Macgregor Norway AS
41
3
Seldén Mast AB
26
3
Windcat Workboats Limited
9
3
Tugpins B.V.
7
3
The United States of America as represented by the Secretary of the Navy
2734
2
Chevron U.S.A. Inc.
3774
2
ABB Schweiz AG
6321
2
Bardex Corporation
42
2
Fobox AS
20
2
Itrec B.V.
477
2
Karm AS
3
2
PGS Geophysical AS
547
2
Other owners 74