- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/00 - Fastening rails on sleepers, or the like
Patent holdings for IPC class E01B 9/00
Total number of patents in this class: 51
10-year publication summary
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1
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0
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2
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0
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2
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3
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1
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2
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Progress Rail Services Corp | 238 |
10 |
| Vossloh-Werke GmbH | 92 |
5 |
| Schwihag AG | 32 |
4 |
| Pandrol Limited | 93 |
3 |
| Pultrusion Technique Inc. | 58 |
3 |
| Amsted Rail Company, Inc. | 437 |
2 |
| Encore Rail Systems, Inc. | 19 |
2 |
| Beijing Tieke Shougang Rail-tech. Co., Ltd | 5 |
2 |
| Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited | 5 |
2 |
| Bank of Montreal, AS Agent | 53 |
1 |
| Cleveland Track Material, Inc. | 20 |
1 |
| Conductix-Wampfler GmbH | 83 |
1 |
| EV IP LP | 25 |
1 |
| Geotek, LLC | 9 |
1 |
| Koppers Delaware, Inc. | 70 |
1 |
| Nordco Inc. | 99 |
1 |
| Railtech Sufetra, S.A. | 2 |
1 |
| Stabilus GmbH | 210 |
1 |
| Vinylast, Inc. | 27 |
1 |
| Vossloh Cogifer | 16 |
1 |
| Other owners | 7 |