- 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 11/04 - Flash butt welding
Patent holdings for IPC class B23K 11/04
Total number of patents in this class: 149
10-year publication summary
|
9
|
5
|
6
|
11
|
9
|
4
|
9
|
12
|
22
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 7102 |
21 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 438 |
10 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 84 |
9 |
| Aktiebolaget SKF | 3167 |
8 |
| Abbott Cardiovascular Systems, Inc. | 1012 |
7 |
| Danieli & C. Officine Meccaniche S.p.A. | 727 |
7 |
| JFE Steel Corporation | 7692 |
5 |
| POSCO Co., Ltd. | 2034 |
5 |
| One Rail Group, LLC | 9 |
4 |
| Graf Synergy S.r.l. | 79 |
3 |
| Chengdu Advanced Metal Materials Industry Technology Research Institute Co., Ltd. | 22 |
3 |
| Illinois Tool Works Inc. | 11919 |
2 |
| ArcelorMittal | 2761 |
2 |
| Holland, L.P. | 39 |
2 |
| JP Steel Plantech Co. | 81 |
2 |
| Primetals Technologies Japan, Ltd. | 182 |
2 |
| Jiangsu University of Science and Technology | 398 |
2 |
| IDEAL - Werk C. + E. Jungeblodt GmbH + Co. KG | 4 |
2 |
| Changzhou Ruitai Engineering Machinery Co., Ltd | 7 |
2 |
| Graf Industries S.p.A. | 17 |
2 |
| Other owners | 49 |