Patent holdings for IPC class F01D 25/20

Total number of patents in this class: 429

10-year publication summary

43
38
44
43
38
30
20
25
12
35
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Rtx Corporation
9601
107
Safran Aircraft Engines
6410
60
Pratt & Whitney Canada Corp.
4958
43
General Electric Company
13830
29
Rolls-Royce PLC
3159
24
Rolls-Royce Deutschland Ltd & Co KG
830
21
United Technologies Corporation
2233
15
GE Avio S.r.l.
297
13
Rolls-Royce Corporation
1753
11
Hamilton Sundstrand Corporation
4956
10
Safran Helicopter Engines
782
9
Safran Aero Boosters SA
184
7
Honeywell International Inc.
13571
4
Safran Transmission Systems
321
4
GE Infrastructure Technology, LLC
6197
4
Safran Aero Boosters
116
4
Snecma
1061
4
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
797
3
Honda Motor Co., Ltd.
25784
2
SNECMA S.A.
1148
2
Other owners 53