- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 11/50 - Joints made by electric welding
Patent holdings for IPC class E01B 11/50
Total number of patents in this class: 11
10-year publication summary
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0
|
0
|
2
|
0
|
2
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2
|
1
|
2
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2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5649 |
5 |
| Hubbell Incorporated | 3052 |
2 |
| ESAB AB | 297 |
1 |
| Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 87 |
1 |
| Vossloh Cogifer | 14 |
1 |
| Jamesmillersolutions Ltd | 1 |
1 |
| Other owners | 0 |