Class E01B : PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
Subclass 3/32: Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone (manufacture B28) with armouring or reinforcement (hollow sleepers E01B 3/3)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11396728 | Sleeper for a track superstructure | Apr 17, 18 | Jul 26, 22 | Vossloh Fastening Systems GmbH |
| 10781557 | Durable railway tie | Feb 10, 16 | Sep 22, 20 | The Regents of the University of Michigan |
| 10590609 | Shell cross-member system and railway section including such a system | Mar 16, 17 | Mar 17, 20 | ALSTOM TRANSPORT TECHNOLOGIES |
| 10590610 | Composite railway sleeper | May 30, 17 | Mar 17, 20 | GREENRAIL GROUP S.R.L. |
| 9995006 | Railway sleeper composed of fibre-reinforced stoneware | Dec 03, 13 | Jun 12, 18 | Not available |
| 9890503 | High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways | Sep 23, 14 | Feb 13, 18 | GUTANNA INNOVATIVE CONCRETE AND TECHNOLOGIES, LLC |
| 9714486 | Railroad tie and railroad comprising such a railroad tie | Nov 14, 13 | Jul 25, 17 | LANKHORST ENGINEERED PRODUCTS B.V. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0016,752 | DURABLE RAILWAY TIE | Feb 10, 16 | Jan 18, 18 | THE REGENTS OF THE UNIVERSITY OF MICHIGAN |
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