- All sections
- B - Performing operations; transporting
- B23K - Soldering or unsoldering; welding; cladding or plating by soldering or welding; cutting by applying heat locally, e.g. flame cutting; working by laser beam
- B23K 9/02 - Seam welding; Backing means; Inserts
Patent holdings for IPC class B23K 9/02
Total number of patents in this class: 564
10-year publication summary
52
|
51
|
42
|
56
|
40
|
53
|
28
|
36
|
22
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lincoln Global, Inc. | 2180 |
52 |
Illinois Tool Works Inc. | 11152 |
33 |
JFE Steel Corporation | 6067 |
27 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
27 |
Nippon Steel Corporation | 5649 |
24 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
18 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
16 |
Siemens AG | 24990 |
15 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
13 |
Fronius International GmbH | 647 |
12 |
Kobe Steel, Ltd. | 912 |
11 |
ArcelorMittal | 1887 |
6 |
ArcelorMittal France | 102 |
6 |
Nippon Steel Nisshin Co., Ltd. | 106 |
6 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
Advanced Plasma Power Limited | 19 |
5 |
IHI Corporation | 3268 |
5 |
Japan Marine United Corporation | 68 |
5 |
Lam Research Corporation | 4775 |
4 |
ESAB AB | 297 |
4 |
Other owners | 270 |