Patent holdings for IPC class B63B 25/16

Total number of patents in this class: 783

10-year publication summary

75
71
69
61
50
48
71
74
59
32
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
235
107
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3075
87
Mitsubishi Shipbuilding Co., Ltd.
166
53
Hanwha Ocean Co., Ltd.
114
53
Gaztransport et Technigaz
571
45
Hyundai Heavy Industries Co., Ltd.
275
40
Samsung Heavy Ind. Co., Ltd.
239
37
Mitsubishi Heavy Industries, Ltd.
8657
33
Korea Gas Corporation
114
14
HD Korea Shipbuilding & Offshore Engineering Co., Ltd.
36
11
Korea Shipbuilding & Offshore Engineering Co.,Ltd.
28
10
Hudong Zhonghua Shipbuilding (Group) Co., Ltd
19
9
China State Shipbuilding Corporation Limited
21
8
Japan Marine United Corporation
72
7
Mitsui Engineering & Shipbuilding Co., Ltd.
318
7
Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd.
82
7
Kawasaki Heavy Industries, Limited
1618
6
Excelerate Energy Limited Partnership, Excelerate Energy, LLC, a Delaware limited liability company, general partner
46
6
KC LNG Tech Co., Ltd.
6
6
Mitsui E&S Shipbuilding Co., Ltd.
44
6
Other owners 231