- 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: 567
10-year publication summary
|
51
|
42
|
56
|
40
|
53
|
28
|
36
|
22
|
26
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lincoln Global, Inc. | 2160 |
53 |
| Illinois Tool Works Inc. | 11369 |
34 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2905 |
30 |
| JFE Steel Corporation | 6538 |
28 |
| Nippon Steel Corporation | 5991 |
26 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
18 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
16 |
| Siemens AG | 24572 |
15 |
| Fronius International GmbH | 669 |
12 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3585 |
12 |
| Kobe Steel, Ltd. | 863 |
11 |
| ArcelorMittal | 2052 |
6 |
| ArcelorMittal France | 102 |
6 |
| Nippon Steel Nisshin Co., Ltd. | 103 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
5 |
| Advanced Plasma Power Limited | 19 |
5 |
| IHI Corporation | 3356 |
5 |
| Japan Marine United Corporation | 71 |
5 |
| ESAB AB | 299 |
4 |
| Koike Sanso Kogyo Co., Ltd. | 40 |
4 |
| Other owners | 266 |