Patent holdings for IPC class F01K 27/00

Total number of patents in this class: 376

10-year publication summary

56
33
22
22
34
29
27
15
28
13
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
14207
42
Aramco Services Company
4188
15
Lockheed Martin Corporation
3260
8
Mitsubishi Heavy Industries, Ltd.
9115
7
Boundary Energy Inc.
17
7
Fuji Electric Co., Ltd.
5469
5
Etalim Inc.
26
5
Technion Research & Development Foundation Ltd.
1260
5
Nuovo Pignone Tecnologie S.r.l.
1206
5
Sabanci University
20
4
Thermal Power Recovery LLC
11
4
Xi'an Thermal Power Research Institute Co., Ltd.
449
4
Lawrence Livermore National Security, LLC
1972
3
Bastian Family Holdings, Inc.
3
3
Donaldson Company, Inc.
1600
3
Echogen Power Systems, Inc.
15
3
Echogen Power Systems, LLC
63
3
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2831
3
LightSail Energy, Inc.
18
3
Ormat Technologies, Inc.
112
3
Other owners 241