Patent holdings for IPC class B63H 23/24

Total number of patents in this class: 188

10-year publication summary

20
21
10
10
10
7
11
5
7
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Siemens AG
24033
27
Yamaha Motor Co., Ltd.
2837
11
Torqeedo GmbH
89
11
ABB Schweiz AG
7590
9
GE Energy Power Conversion Technology Ltd
437
9
ABB Oy
168
7
Kongsberg Maritime AS
129
6
Siemens Energy AS
150
6
Rolls-Royce North American Technologies, Inc.
1127
4
Rolls-Royce PLC
3219
3
Blue Robotics Inc.
12
3
Brunswick Corporation
1479
3
Wartsila Finland Oy
754
3
General Electric Company
13888
2
Mitsubishi Heavy Industries, Ltd.
9115
2
Caterpillar Inc.
10272
2
Magnomatics Limited
63
2
Michigan Marine Propulsion Systems, LLC
2
2
Ocean Aero, Inc.
9
2
Suex S.r.l.
6
2
Other owners 72