Patent holdings for IPC class B23P 15/04

Total number of patents in this class: 524

10-year publication summary

55
35
41
25
50
28
28
9
9
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Safran Aircraft Engines
6031
68
Rtx Corporation
9094
64
GE Infrastructure Technology, LLC
6114
42
General Electric Company
17783
28
SNECMA S.A.
1150
25
Rolls-Royce PLC
2988
22
Snecma
1065
22
Pratt & Whitney Canada Corp.
4438
20
Siemens AG
24573
17
Rolls-Royce Corporation
1719
12
MTU Aero Engines GmbH
521
10
Rolls-Royce North American Technologies, Inc.
1133
7
Honeywell International Inc.
14012
6
Mecachrome France
34
6
MTU Aero Engines AG
652
6
Rolls-Royce Deutschland Ltd & Co KG
795
6
Sulzer Management AG
665
6
Nuovo Pignone Tecnologie S.r.l.
855
5
Siemens Gamesa Renewable Energy A/S
1797
5
Siemens Energy, Inc.
1731
4
Other owners 143