- 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: 571
10-year publication summary
|
37
|
46
|
38
|
48
|
24
|
33
|
21
|
25
|
21
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lincoln Global, Inc. | 2128 |
52 |
| JFE Steel Corporation | 7349 |
36 |
| Illinois Tool Works Inc. | 11735 |
35 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
30 |
| Nippon Steel Corporation | 6692 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
20 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
16 |
| Siemens AG | 24200 |
15 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4053 |
13 |
| Fronius International GmbH | 686 |
12 |
| Kobe Steel, Ltd. | 895 |
12 |
| ArcelorMittal | 2526 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9020 |
5 |
| IHI Corporation | 3514 |
5 |
| Japan Marine United Corporation | 73 |
5 |
| Nippon Steel Nisshin Co., Ltd. | 98 |
5 |
| ESAB AB | 309 |
4 |
| Koike Sanso Kogyo Co., Ltd. | 38 |
4 |
| Magna International Inc. | 1198 |
4 |
| Nisshin Steel Co., Ltd. | 390 |
4 |
| Other owners | 260 |