Patent holdings for IPC class F01D 17/02

Total number of patents in this class: 311

10-year publication summary

32
28
38
23
19
18
19
13
16
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Rtx Corporation
9556
40
General Electric Company
13859
25
Pratt & Whitney Canada Corp.
4876
25
GE Infrastructure Technology, LLC
6200
23
Safran Aircraft Engines
6358
22
Rolls-Royce PLC
3136
17
Siemens Energy, Inc.
1703
16
Rolls-Royce Corporation
1749
13
Hamilton Sundstrand Corporation
4950
11
Rolls-Royce North American Technologies, Inc.
1173
11
Ice Thermal Harvesting, LLC
76
9
Siemens AG
24344
7
Mitsubishi Heavy Industries, Ltd.
8851
3
ExxonMobil Upstream Research Company
2382
3
GE Avio S.r.l.
289
3
Rohr, Inc.
758
3
Weston Aerospace Limited
53
3
Woodward, Inc.
659
3
Siemens Energy Global GmbH & Co. KG
3054
3
SNECMA S.A.
1148
2
Other owners 69