Patent holdings for IPC class F01K 23/04

Total number of patents in this class: 128

10-year publication summary

13
15
19
20
5
6
4
1
4
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
General Electric Company
17789
8
Ormat Technologies, Inc.
120
8
Nuovo Pignone Tecnologie S.r.l.
858
6
Futurebay Limited
6
6
Siemens AG
24565
3
City University
39
3
IHI Corporation
3359
3
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2906
3
Duynie Sustainable Energy B.V.
3
3
8 Rivers Capital, LLC
239
2
Bitzer US, Inc.
11
2
Clean Energy HRS LLC
7
2
Echogen Power Systems, LLC
63
2
Energetix Genlec Limited
6
2
Highview Enterprises Limited
48
2
Jiangsu University
1048
2
Korea Institute of Energy Research
831
2
P.t.i.
3
2
Saudi Arabian Oil Company
12446
2
TAS Energy Inc.
16
2
Other owners 63