- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 11/46 - General methods for making gapless tracks
Patent holdings for IPC class E01B 11/46
Total number of patents in this class: 8
10-year publication summary
1
|
0
|
0
|
1
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0
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2
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3
|
1
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0
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0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 385 |
3 |
Nippon Steel Corporation | 5649 |
2 |
Cembre S.p.A. | 81 |
1 |
SNCF Reseau | 38 |
1 |
Scientific and Manufacturing Enterprise "tomsk Electronic Company", Ltd (sme "tec" Ltd) | 4 |
1 |
Other owners | 0 |