- 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 9/23 - Arc welding or cutting taking account of the properties of the materials to be welded
Patent holdings for IPC class B23K 9/23
Total number of patents in this class: 670
10-year publication summary
|
62
|
68
|
63
|
72
|
72
|
60
|
40
|
37
|
23
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
74 |
| Nippon Steel Corporation | 5649 |
44 |
| JFE Steel Corporation | 6067 |
42 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
28 |
| Illinois Tool Works Inc. | 11152 |
21 |
| Lincoln Global, Inc. | 2180 |
21 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
21 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
13 |
| Nisshin Steel Co., Ltd. | 401 |
13 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
12 |
| Kobe Steel, Ltd. | 912 |
10 |
| GE Infrastructure Technology, LLC | 5873 |
10 |
| ArcelorMittal | 1887 |
9 |
| ArcelorMittal France | 102 |
9 |
| POSCO Co., Ltd. | 1059 |
9 |
| Honda Motor Co., Ltd. | 24537 |
8 |
| IHI Corporation | 3268 |
8 |
| Siemens AG | 24990 |
7 |
| Webco Industries, Inc. | 26 |
7 |
| Siemens Energy, Inc. | 1770 |
6 |
| Other owners | 298 |