- 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 9/18 - Submerged-arc welding
Patent holdings for IPC class B23K 9/18
Total number of patents in this class: 297
10-year publication summary
34
|
22
|
30
|
27
|
15
|
16
|
15
|
14
|
26
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lincoln Global, Inc. | 2180 |
42 |
ESAB AB | 297 |
37 |
Illinois Tool Works Inc. | 11152 |
33 |
JFE Steel Corporation | 6067 |
32 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
20 |
POSCO Co., Ltd. | 1059 |
7 |
Nippon Steel Corporation | 5649 |
6 |
Hobart Brothers LLC | 106 |
6 |
Postle Industries, Inc. | 49 |
5 |
Nanjing Iron&Steel Co.,Ltd. | 135 |
5 |
Siemens Energy, Inc. | 1770 |
4 |
ArcelorMittal | 1887 |
4 |
Hitachi Zosen Corporation | 609 |
3 |
Hobart Brothers Company | 99 |
3 |
Kobe Steel, Ltd. | 912 |
3 |
Oetiker Schweiz AG | 165 |
3 |
Caterpillar Inc. | 8877 |
2 |
Air Liquide Welding France | 19 |
2 |
Consolidated Metal Products, Inc. | 16 |
2 |
Gustav Wiegard Maschinenfabrik GmbH & Co. KG | 3 |
2 |
Other owners | 76 |