Patent holdings for IPC class F01K 9/00

Total number of patents in this class: 388

10-year publication summary

36
45
37
40
25
20
17
22
10
16
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Siemens AG
24303
21
Mitsubishi Heavy Industries, Ltd.
8919
18
Mitsubishi Power, Ltd.
1810
15
Mitsubishi Hitachi Power Systems, Ltd.
991
13
Panasonic Intellectual Property Management Co., Ltd.
32590
12
Fuji Electric Co., Ltd.
5290
9
Orcan Energy AG
55
9
Scania CV AB
2395
9
IHI Corporation
3468
6
GE Infrastructure Technology, LLC
6199
6
Energy Dome S.p.A.
39
6
Hitachi, Ltd.
15735
5
Robert Bosch GmbH
43116
5
Harris Corporation
1374
5
General Electric Technology GmbH
1368
5
Siemens Energy Global GmbH & Co. KG
3098
5
MAHLE International GmbH
2829
4
Coneflower, Inc.
7
4
Trenew, LLC
7
4
Arabelle Solutions France
152
4
Other owners 223