Patent holdings for IPC class F01D 25/20

Total number of patents in this class: 441

10-year publication summary

42
46
46
40
34
22
28
12
41
13
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Rtx Corporation
9916
109
Safran Aircraft Engines
6562
63
Pratt & Whitney Canada Corp.
5331
47
General Electric Company
13816
31
Rolls-Royce PLC
3181
22
Rolls-Royce Deutschland Ltd & Co KG
845
20
United Technologies Corporation
2220
15
GE Avio S.r.l.
326
15
Safran Helicopter Engines
815
12
Hamilton Sundstrand Corporation
5017
10
Rolls-Royce Corporation
1680
9
Safran Aero Boosters SA
185
7
Safran Transmission Systems
349
5
Honeywell International Inc.
12790
4
GE Infrastructure Technology, LLC
6192
4
Safran Aero Boosters
123
4
Snecma
1058
4
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
811
3
Honda Motor Co., Ltd.
25891
2
SNECMA S.A.
1148
2
Other owners 53