Patent holdings for IPC class B63B 27/10

Total number of patents in this class: 311

10-year publication summary

22
22
29
21
29
19
33
23
17
20
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Itrec B.V.
505
30
Deme Offshore BE NV
45
7
Korea Advanced Institute of Science and Technology
4458
6
Heerema Marine Contractors Nederland SE
60
6
IHC Holland IE B.V.
262
6
Saipem S.p.A.
517
6
Barge Master IP B.V.
11
5
Coastal Cargo Company, LLC
12
5
National Oilwell Varco Norway AS
107
5
Gregg Drilling, LLC
12
5
Korea Gas Corporation
120
4
Rolls-Royce Marine AS
68
4
Seaonics AS
9
4
Gatorfur, LLC
43
4
Mitsubishi Heavy Industries, Ltd.
8871
3
Aker Solutions AS
242
3
Aker Solutions Inc.
36
3
Bluemarine Offshore Yard Service B.V.
16
3
Grant Prideco, Inc.
396
3
J. Ray McDermott, S.A.
60
3
Other owners 196