- 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 9/09 - Arrangements or circuits for arc welding with pulsed current or voltage
Patent holdings for IPC class B23K 9/09
Total number of patents in this class: 677
10-year publication summary
|
67
|
56
|
55
|
61
|
51
|
61
|
40
|
41
|
29
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11152 |
198 |
| Lincoln Global, Inc. | 2180 |
165 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
49 |
| Fronius International GmbH | 647 |
38 |
| Daihen Corporation | 435 |
31 |
| ESAB AB | 297 |
27 |
| Panasonic Corporation | 20786 |
15 |
| Kobe Steel, Ltd. | 912 |
12 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
9 |
| Kabushiki Kaisha Yaskawa Denki | 1468 |
7 |
| South China University of Technology | 1581 |
4 |
| General Electric Company | 18133 |
3 |
| Hobart Brothers Company | 99 |
3 |
| JFE Steel Corporation | 6067 |
3 |
| Kemppi Oy | 58 |
3 |
| Rolls-Royce Corporation | 1686 |
3 |
| Universite de Nantes | 352 |
3 |
| Universite Paris Sud (ups) | 3 |
3 |
| Victor Equipment Company | 291 |
3 |
| Snecma | 1065 |
3 |
| Other owners | 95 |