Patent holdings for IPC class B23K 1/20

Total number of patents in this class: 801

10-year publication summary

64
71
80
63
58
44
38
32
36
22
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Senju Metal Industry Co., Ltd.
685
24
Illinois Tool Works Inc.
11494
20
GE Infrastructure Technology, LLC
6246
17
Taiwan Semiconductor Manufacturing Company, Ltd.
43258
15
Alfa Laval Corporate AB
1317
15
UACJ Corporation
701
15
Siemens AG
24409
14
Commissariat à l'énergie atomique et aux energies alternatives
10941
14
Rolls-Royce Corporation
1759
13
Siemens Energy, Inc.
1706
12
Watlow Electric Manufacturing Company
581
12
Raytheon Company
8393
10
Panasonic Intellectual Property Management Co., Ltd.
31806
10
Valeo Systemes Thermiques
2733
10
Samsung Electronics Co., Ltd.
147501
9
International Business Machines Corporation
61433
9
KEMET Electronics Corporation
333
8
Shikoku Chemicals Corporation
94
8
Intel Corporation
47143
6
Denso Corporation
24431
6
Other owners 554