Patent holdings for IPC class B63B 22/04

Total number of patents in this class: 119

10-year publication summary

12
9
8
9
11
11
15
18
14
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Principle Power, Inc.
38
5
Aqua-Aerobic Systems, Inc.
87
4
SOFEC, Inc.
87
4
Hadal, Inc.
66
3
Korea Institute of Ocean Science & Technology
441
3
Subsea 7 Limited
238
3
Worthington Products, Inc.
21
3
Totalenergies Onetech
1535
3
Stillstrom A/S
16
3
IHI Corporation
3535
2
Oceaneering International, Inc.
401
2
Sealite Pty Ltd
10
2
Technip France
682
2
The Government of the United States of America, as represented by the Secretary of Homeland Security
267
2
Partnerplast AS
2
2
Seaturns
4
2
H y B S.A.
4
2
Shandong Rope Technology Co. Ltd.
8
2
Innovation Asset Collective
132
2
Xiaertela Energy Co., Ltd
2
2
Other owners 66