Patent holdings for IPC class F02C 3/28

Total number of patents in this class: 215

10-year publication summary

13
11
9
13
8
3
6
6
4
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Power, Ltd.
1818
21
Mitsubishi Heavy Industries, Ltd.
8951
19
Air Products and Chemicals, Inc.
1455
15
8 Rivers Capital, LLC
240
10
Mitsubishi Hitachi Power Systems, Ltd.
991
10
General Electric Company
13767
8
Siemens AG
24294
7
Praxair Technology, Inc.
1261
6
Rentech, Inc.
39
5
Saudi Arabian Oil Company
13814
4
Alstom Technology Ltd
1076
3
Siemens Energy, Inc.
1699
3
Krones AG
2240
3
ThermoChem Recovery International, Inc.
98
3
GE Infrastructure Technology, LLC
6205
3
Arbor Energy and Resources Corporation
5
3
Pratt & Whitney Canada Corp.
5050
2
Hitachi, Ltd.
15792
2
Massachusetts Institute of Technology
10181
2
Ansaldo Energia Switzerland AG
271
2
Other owners 84