- 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 9/02 - Seam weldingBacking meansInserts
Patent holdings for IPC class B23K 9/02
Total number of patents in this class: 563
10-year publication summary
|
51
|
42
|
56
|
40
|
53
|
28
|
36
|
23
|
26
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lincoln Global, Inc. | 2164 |
53 |
| Illinois Tool Works Inc. | 11396 |
35 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2872 |
30 |
| JFE Steel Corporation | 6767 |
29 |
| Nippon Steel Corporation | 6166 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
18 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
16 |
| Siemens AG | 24561 |
15 |
| Fronius International GmbH | 680 |
12 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3932 |
12 |
| Kobe Steel, Ltd. | 870 |
11 |
| ArcelorMittal | 2227 |
6 |
| ArcelorMittal France | 86 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
5 |
| Advanced Plasma Power Limited | 19 |
5 |
| IHI Corporation | 3408 |
5 |
| Japan Marine United Corporation | 72 |
5 |
| Nippon Steel Nisshin Co., Ltd. | 98 |
5 |
| ESAB AB | 312 |
4 |
| Koike Sanso Kogyo Co., Ltd. | 42 |
4 |
| Other owners | 260 |