- 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: 118
10-year publication summary
|
9
|
9
|
5
|
6
|
11
|
9
|
4
|
8
|
12
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6122 |
10 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 413 |
10 |
| Aktiebolaget SKF | 2913 |
8 |
| Abbott Cardiovascular Systems, Inc. | 1116 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
6 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 69 |
6 |
| JFE Steel Corporation | 6708 |
5 |
| POSCO Co., Ltd. | 1374 |
3 |
| Illinois Tool Works Inc. | 11363 |
2 |
| ArcelorMittal | 2144 |
2 |
| Graf Synergy S.r.l. | 78 |
2 |
| JP Steel Plantech Co. | 81 |
2 |
| Primetals Technologies Japan, Ltd. | 162 |
2 |
| Jiangsu University of Science and Technology | 371 |
2 |
| Changzhou Ruitai Engineering Machinery Co., Ltd | 7 |
2 |
| One Rail Group, LLC | 7 |
2 |
| Chengdu Advanced Metal Materials Industry Technology Research Institute Co., Ltd. | 9 |
2 |
| Rtx Corporation | 9266 |
2 |
| Baker Hughes Incorporated | 5301 |
1 |
| Toyota Motor Corporation | 31162 |
1 |
| Other owners | 42 |