- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 31/20 - Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting
Patent holdings for IPC class E01B 31/20
Total number of patents in this class: 15
10-year publication summary
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0
|
1
|
1
|
0
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3
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0
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0
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4
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MOW Equipment Solutions, Inc. | 20 |
3 |
| Encore Rail Systems, Inc. | 19 |
2 |
| Vossloh-Werke GmbH | 85 |
2 |
| Heritage Research Group, LLC | 71 |
2 |
| Good Earth Tools, Inc. | 10 |
1 |
| Matisa Materiel Industriel SA | 74 |
1 |
| Sersa Group AG (Schweiz) | 3 |
1 |
| Focused Technology Solutions, Inc. | 17 |
1 |
| STRABAG Rail GmbH | 2 |
1 |
| Discovery Purchaser Corporation | 351 |
1 |
| Other owners | 0 |