Patent holdings for IPC class F01D 25/32

Total number of patents in this class: 319

10-year publication summary

31
36
27
36
32
17
27
25
20
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
General Electric Company
17789
29
Rtx Corporation
9109
27
Mitsubishi Power, Ltd.
1737
23
Mitsubishi Heavy Industries, Ltd.
8538
22
Safran Aircraft Engines
6039
17
Pratt & Whitney Canada Corp.
4442
15
Siemens AG
24565
14
Mitsubishi Hitachi Power Systems, Ltd.
995
13
GE Infrastructure Technology, LLC
6114
10
Honeywell International Inc.
14021
7
MTU Aero Engines AG
654
7
Siemens Energy Global GmbH & Co. KG
2829
7
Toshiba Corporation
12051
6
Rolls-Royce PLC
2989
6
IHI Corporation
3359
6
Safran Helicopter Engines
725
6
Hamilton Sundstrand Corporation
4728
5
TLV Co., Ltd.
336
5
Nuovo Pignone Tecnologie S.r.l.
858
5
Siemens Energy, Inc.
1731
4
Other owners 85