- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 11/00 - Rail joints
Patent holdings for IPC class E01B 11/00
Total number of patents in this class: 23
10-year publication summary
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0
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1
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0
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0
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3
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0
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0
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0
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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
|
|---|---|---|
| Koppers Delaware, Inc. | 71 |
5 |
| Cleveland Track Material, Inc. | 20 |
3 |
| Glidestore Freetrack Pty Ltd | 30 |
3 |
| Portec Rail Products, Inc. | 8 |
2 |
| 1311854 Ontario Limited | 19 |
1 |
| Alstom Transport Technologies | 566 |
1 |
| Conductix-Wampfler GmbH | 88 |
1 |
| Joerg Beutler | 5 |
1 |
| L.B. Foster Company | 53 |
1 |
| The Texas a & M University System | 1519 |
1 |
| VAE GmbH | 29 |
1 |
| Voestalpine BWG GmbH & Co. KG | 14 |
1 |
| 1311854 Ontario Limited | 3 |
1 |
| Voestalpine Railway Systems Nortrak LLC | 37 |
1 |
| Other owners | 0 |