Patent holdings for IPC class F03B 15/20

Total number of patents in this class: 32

10-year publication summary

0
1
2
1
3
0
2
8
4
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Voith Patent GmbH
2756
5
Energy Recovery, Inc.
175
4
SJK Energy Solutions, LLC
13
2
Tap Energy LLC
6
2
Gravity Energy Pty Ltd
3
2
Alvin Gregorash
2
2
Apex Valves Limited
21
1
Cleveland State University
76
1
Coil Tubing Technology, Inc.
5
1
Halla Engineering & Construction Corp.
2
1
Inventurous, LLC
4
1
Kolon Global Corporation
18
1
Michigan Technological University
154
1
Quality Research, Development & Consulting, Inc.
4
1
Rutten New Energy System SA
5
1
Synkinetics, Inc.
2
1
National Technology & Engineering Solutions of Sandia, LLC
1891
1
Dongfang Electric Machinery Co., Ltd.
43
1
Dongyang Engineering Co., Ltd
1
1
Elkhart Brass Manufacturing Company, LLC
54
1
Other owners 1