Patent holdings for IPC class F01K 17/04

Total number of patents in this class: 132

10-year publication summary

9
5
6
8
6
5
10
8
6
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Siemens AG
23983
7
Mitsubishi Heavy Industries, Ltd.
9172
7
Alstom Technology Ltd
1035
5
Gates Foundation, Gates, William H., Iiiindividualwashington
25
5
Hitachi, Ltd.
16183
3
Doosan Power Systems Limited
19
3
Practical Solutions Limited Liability Company
6
3
General Electric Company
13938
2
Shell Internationale Research Maatschappij B.V.
3391
2
The Regents of the University of California
20842
2
Ansaldo Energia IP UK Limited
23
2
Colorado State University Research Foundation
724
2
CURRENTA GmbH & Co. OHG
21
2
DEKA Products Limited Partnership
1900
2
General Electric Technology GmbH
1337
2
Inventys Thermal Technologies Inc.
22
2
NuScale Power, LLC
310
2
Saudi Arabian Oil Company
14329
2
Spirax-Sarco Limited
100
2
Star Engine S.r.l.
5
2
Other owners 73