Patent holdings for IPC class F03B 13/22

Total number of patents in this class: 243

10-year publication summary

30
24
35
22
24
22
36
31
34
22
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Lone Gull Holdings, Ltd.
130
40
KYB Corporation
1359
7
Robert Bosch GmbH
42677
5
Jospa Limited
9
5
Geps Techno
5
4
Dalian University of Technology
1520
3
Geps Innov
5
3
Ingine, Inc.
37
3
Natural Power Concepts, Inc.
16
3
The University of Tokyo
4182
3
Offshore Power Plant
3
3
Hyundai Motor Company
22044
2
Microsoft Technology Licensing, LLC
53739
2
Aw-energy Oy
44
2
Columbia Power Technologies, Inc.
27
2
Elemental Energy Technologies Limited
3
2
FOI Group, LLC
15
2
Fourivers Power Engineering Pty Ltd
2
2
Jupiter Hydro Inc.
4
2
Korea Institute of Ocean Science & Technology
420
2
Other owners 146