Patent holdings for IPC class F02C 9/20

Total number of patents in this class: 368

10-year publication summary

41
38
35
25
33
30
19
19
20
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Rtx Corporation
9313
62
Pratt & Whitney Canada Corp.
4629
27
General Electric Company
13830
22
GE Infrastructure Technology, LLC
6196
20
Rolls-Royce PLC
3072
17
Safran Aircraft Engines
6250
17
Rolls-Royce North American Technologies, Inc.
1162
14
Mitsubishi Power, Ltd.
1758
14
Siemens AG
24547
11
United Technologies Corporation
2247
11
Nuovo Pignone Tecnologie S.r.l.
950
10
Siemens Energy Global GmbH & Co. KG
2923
9
Honeywell International Inc.
13562
8
Hitachi, Ltd.
15449
8
Mitsubishi Heavy Industries, Ltd.
8657
7
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC)
212
7
Rolls-Royce Corporation
1727
6
Mitsubishi Hitachi Power Systems, Ltd.
993
5
SNECMA S.A.
1145
4
Hamilton Sundstrand Corporation
4834
4
Other owners 85