Patent holdings for IPC class F23R 3/60

Total number of patents in this class: 747

10-year publication summary

84
90
49
59
32
29
29
32
29
16
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Rtx Corporation
10127
133
General Electric Company
13915
105
GE Infrastructure Technology, LLC
6159
54
Siemens AG
23996
43
Safran Aircraft Engines
6727
39
Pratt & Whitney Canada Corp.
5517
38
SNECMA S.A.
1145
29
Siemens Energy, Inc.
1686
27
Rolls-Royce PLC
3224
25
Siemens Energy Global GmbH & Co. KG
3432
23
Mitsubishi Power, Ltd.
1833
22
Rolls-Royce Corporation
1680
21
Ansaldo Energia Switzerland AG
270
17
Rolls-Royce North American Technologies, Inc.
1130
16
Mitsubishi Heavy Industries, Ltd.
9168
15
Collins Engine Nozzles, Inc.
287
14
Safran Helicopter Engines
847
10
Snecma
1058
9
United Technologies Corporation
2218
8
Kawasaki Heavy Industries, Limited
1683
8
Other owners 91