Patent holdings for IPC class B22F 3/15

Total number of patents in this class: 770

10-year publication summary

86
78
83
83
89
59
56
40
55
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Quintus Technologies AB
65
24
Sandvik Intellectual Property AB
1542
23
Rolls-Royce PLC
2989
19
JX Nippon Mining & Metals Corporation
1524
18
Honeywell International Inc.
14021
16
Safran Aircraft Engines
6039
14
General Electric Company
17789
11
Snecma
1065
11
Hitachi Metals, Ltd.
2021
10
Mitsubishi Materials Corporation
2406
10
Smith International, Inc.
740
9
Kennametal Inc.
1386
9
SANYO Special Steel Co., Ltd.
214
9
GE Infrastructure Technology, LLC
6114
8
Nuovo Pignone Tecnologie S.r.l.
858
8
Rtx Corporation
9109
8
MTC Powder Solutions AB
8
7
Halliburton Energy Services, Inc.
20438
6
SNECMA S.A.
1150
6
The Boeing Company
19911
6
Other owners 538