- 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 9/18 - Submerged-arc welding
Patent holdings for IPC class B23K 9/18
Total number of patents in this class: 339
10-year publication summary
|
30
|
27
|
15
|
16
|
15
|
14
|
30
|
27
|
21
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lincoln Global, Inc. | 2125 |
42 |
| JFE Steel Corporation | 7370 |
40 |
| ESAB AB | 309 |
38 |
| Illinois Tool Works Inc. | 11745 |
33 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2832 |
20 |
| POSCO Co., Ltd. | 1670 |
15 |
| Hobart Brothers LLC | 107 |
7 |
| Postle Industries, Inc. | 56 |
6 |
| Nanjing Iron&Steel Co.,Ltd. | 182 |
6 |
| Siemens Energy, Inc. | 1694 |
5 |
| Daihen Corporation | 493 |
5 |
| Nippon Steel Corporation | 6701 |
5 |
| ArcelorMittal | 2541 |
4 |
| Harbin Welding Institute Limited Company | 34 |
4 |
| Hitachi Zosen Corporation | 608 |
3 |
| Hobart Brothers Company | 94 |
3 |
| Oetiker Schweiz AG | 208 |
3 |
| Institute of Research of Iron and Steel, Jiangsu Province/sha-steel, Co. Ltd | 74 |
3 |
| Saam AB | 3 |
3 |
| Caterpillar Inc. | 10167 |
2 |
| Other owners | 92 |