Patent holdings for IPC class F01D 25/20

Total number of patents in this class: 434

10-year publication summary

38
44
43
38
30
20
25
12
38
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Rtx Corporation
9761
109
Safran Aircraft Engines
6474
63
Pratt & Whitney Canada Corp.
5059
43
General Electric Company
13776
29
Rolls-Royce PLC
3172
22
Rolls-Royce Deutschland Ltd & Co KG
833
20
United Technologies Corporation
2224
15
GE Avio S.r.l.
310
15
Safran Helicopter Engines
801
12
Hamilton Sundstrand Corporation
5001
10
Rolls-Royce Corporation
1691
9
Safran Aero Boosters SA
184
7
Honeywell International Inc.
13561
4
Safran Transmission Systems
334
4
GE Infrastructure Technology, LLC
6202
4
Safran Aero Boosters
121
4
Snecma
1061
4
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
802
3
Honda Motor Co., Ltd.
25773
2
SNECMA S.A.
1148
2
Other owners 53