Patent holdings for IPC class F03B 13/22

Total number of patents in this class: 262

10-year publication summary

24
35
22
24
22
36
31
38
28
17
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Lone Gull Holdings, Ltd.
156
54
KYB Corporation
1423
7
Robert Bosch GmbH
44176
5
Jospa Limited
9
5
Geps Techno
5
4
Dalian University of Technology
1594
3
Geps Innov
5
3
Ingine, Inc.
36
3
Natural Power Concepts, Inc.
16
3
The University of Tokyo
4369
3
Felicianne AS
3
3
Hyundai Motor Company
24703
2
Microsoft Technology Licensing, LLC
54463
2
Aw-energy Oy
42
2
Columbia Power Technologies, Inc.
24
2
Elemental Energy Technologies Limited
3
2
FOI Group, LLC
17
2
Fourivers Power Engineering Pty Ltd
2
2
Jupiter Hydro Inc.
4
2
Korea Institute of Ocean Science & Technology
441
2
Other owners 151