- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 3/20 - Sleeper construction for special purposes, e.g. with openings for ballast working
Patent holdings for IPC class E01B 3/20
Total number of patents in this class: 7
10-year publication summary
0
|
2
|
0
|
0
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0
|
0
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0
|
1
|
0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ANSALDO STS S.p.A. | 23 |
1 |
BWG GmbH & Co. KG | 12 |
1 |
Konecranes Global Corporation | 484 |
1 |
Union Pacific Railroad Company | 75 |
1 |
VAE GmbH | 29 |
1 |
Sigassure UK Limited | 1 |
1 |
Voestalpine Signaling Zeltweg GmbH | 2 |
1 |
Other owners | 0 |