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  • All sections
  • B - Performing operationstransporting
  • B23K - Soldering or unsolderingweldingcladding or plating by soldering or weldingcutting by applying heat locally, e.g. flame cuttingworking by laser beam
  • B23K 9/02 - Seam weldingBacking meansInserts

Patent holdings for IPC class B23K 9/02

Total number of patents in this class: 563

10-year publication summary

51
42
56
40
53
28
36
23
26
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Lincoln Global, Inc.
2165
53
Illinois Tool Works Inc.
11392
35
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2873
30
JFE Steel Corporation
6751
29
Nippon Steel Corporation
6155
27
Panasonic Intellectual Property Management Co., Ltd.
30903
18
Nippon Steel & Sumitomo Metal Corporation
1988
16
Siemens AG
24568
15
Fronius International GmbH
680
12
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3916
12
Kobe Steel, Ltd.
872
11
ArcelorMittal
2213
6
ArcelorMittal France
86
6
Mitsubishi Heavy Industries, Ltd.
8641
5
Advanced Plasma Power Limited
19
5
IHI Corporation
3405
5
Japan Marine United Corporation
72
5
Nippon Steel Nisshin Co., Ltd.
98
5
ESAB AB
311
4
Koike Sanso Kogyo Co., Ltd.
42
4
Other owners 260

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