Patent holdings for IPC class B22F 3/15

Total number of patents in this class: 837

10-year publication summary

78
83
83
89
59
56
43
59
37
21
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Quintus Technologies AB
70
23
Sandvik Intellectual Property AB
1404
23
Rolls-Royce PLC
3217
19
Safran Aircraft Engines
6625
17
Honeywell International Inc.
12755
16
JX Nippon Mining & Metals Corporation
1462
16
General Electric Company
13870
11
Snecma
1058
11
Sumitomo Electric Industries, Ltd.
16254
10
BAE Systems Bofors AB
208
10
Mitsubishi Materials Corporation
2467
10
Hitachi Metals, Ltd.
1903
9
Smith International, Inc.
697
9
Kennametal Inc.
1355
9
SANYO Special Steel Co., Ltd.
245
9
The Boeing Company
20145
8
Uddeholms Aktiebolag
205
8
GE Infrastructure Technology, LLC
6169
8
Nuovo Pignone Tecnologie S.r.l.
1194
8
Rtx Corporation
10009
8
Other owners 595