Patent holdings for IPC class B63H 5/15

Total number of patents in this class: 63

10-year publication summary

6
5
12
8
8
1
4
3
2
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8559
3
ABB Oy
164
3
becker marine systems GmbH & Co. KG
47
3
Blue Robotics Inc.
12
3
Kongsberg Maritime AS
112
3
Yamaha Motor Co., Ltd.
2805
2
Rolls-Royce Marine AS
70
2
Samsung Heavy Ind. Co., Ltd.
239
2
Schottel GmbH
52
2
Voith Patent GmbH
2744
2
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3029
2
Fieldge Co., Ltd.
5
2
California Institute of Technology
3932
1
Rolls-Royce PLC
3000
1
Aker Arctic Technology Oy
21
1
Berg Propulsion Technology AB
5
1
Bwm RIBS Ltd
2
1
Ecole Polytechnique Federale de Lausanne (epfl)
1507
1
Flexitab S.r.l.
4
1
National Institute of Maritime, Port and Aviation Technology
37
1
Other owners 26