Patent holdings for IPC class F03B 13/22

Total number of patents in this class: 264

10-year publication summary

24
35
22
24
22
36
31
38
28
22
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
55
KYB Corporation
1443
7
Robert Bosch GmbH
44427
5
Jospa Limited
9
5
Geps Techno
5
4
Dalian University of Technology
1614
3
Geps Innov
5
3
Ingine, Inc.
35
3
Natural Power Concepts, Inc.
16
3
The University of Tokyo
4409
3
Felicianne AS
5
3
Hyundai Motor Company
25190
2
Microsoft Technology Licensing, LLC
54706
2
Aw-energy Oy
42
2
Columbia Power Technologies, Inc.
23
2
Elemental Energy Technologies Limited
3
2
FOI Group, LLC
16
2
Fourivers Power Engineering Pty Ltd
2
2
Jupiter Hydro Inc.
4
2
Korea Institute of Ocean Science & Technology
443
2
Other owners 152