Patent holdings for IPC class B22F 3/15

Total number of patents in this class: 848

10-year publication summary

78
83
83
89
59
57
43
59
37
32
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Quintus Technologies AB
72
23
Sandvik Intellectual Property AB
1384
23
Rolls-Royce PLC
3238
19
Safran Aircraft Engines
6824
18
Honeywell International Inc.
12729
16
JX Nippon Mining & Metals Corporation
1451
16
General Electric Company
14036
11
Sumitomo Electric Industries, Ltd.
16447
11
BAE Systems Bofors AB
214
11
Snecma
1057
11
Mitsubishi Materials Corporation
2484
10
The Boeing Company
20230
9
Hitachi Metals, Ltd.
1812
9
Smith International, Inc.
680
9
Kennametal Inc.
1350
9
SANYO Special Steel Co., Ltd.
250
9
Uddeholms Aktiebolag
205
8
GE Infrastructure Technology, LLC
6146
8
Nuovo Pignone Tecnologie S.r.l.
1121
8
Rtx Corporation
10264
8
Other owners 602