- 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: 111
10-year publication summary
|
9
|
9
|
5
|
6
|
11
|
9
|
4
|
7
|
12
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6012 |
10 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 407 |
10 |
| Aktiebolaget SKF | 2839 |
8 |
| Abbott Cardiovascular Systems, Inc. | 1112 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
6 |
| JFE Steel Corporation | 6557 |
5 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 62 |
3 |
| Illinois Tool Works Inc. | 11399 |
2 |
| ArcelorMittal | 2064 |
2 |
| JP Steel Plantech Co. | 81 |
2 |
| POSCO Co., Ltd. | 1302 |
2 |
| Primetals Technologies Japan, Ltd. | 152 |
2 |
| Jiangsu University of Science and Technology | 361 |
2 |
| Changzhou Ruitai Engineering Machinery Co., Ltd | 7 |
2 |
| One Rail Group, LLC | 7 |
2 |
| Rtx Corporation | 9109 |
2 |
| Baker Hughes Incorporated | 5504 |
1 |
| Toyota Motor Corporation | 30455 |
1 |
| GM Global Technology Operations LLC | 14260 |
1 |
| Progress Rail Services Corp | 239 |
1 |
| Other owners | 41 |