Class E01B : PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
Subclass 3/28: 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)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12203801 | Railway track sensor system for vertical surface pressure | Feb 27, 20 | Jan 21, 25 | Getzner Werkstoffe Holding GmbH |
| 11414348 | High strength reduced elastic modulus concrete | Aug 11, 17 | Aug 16, 22 | University of South Carolina |
| 10781557 | Durable railway tie | Feb 10, 16 | Sep 22, 20 | The Regents of the University of Michigan |
| 10711406 | Keyway tie | Jan 10, 18 | Jul 14, 20 | Voestalpine Nortrak Inc. |
| 10464585 | Electronic tag device for rail traffic concrete prefabricated parts | May 08, 18 | Nov 05, 19 | Beijing Good Fortune Innovative Intelligence Technology Co. Ltd |
| 10401270 | Method of design and manufacturing concrete structures based on the verification of concrete fatigue strength by test | Jun 07, 17 | Sep 03, 19 | PACADAR, SA |
| 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 |
| 9752285 | Sleeper block unit for railway track systems | Mar 07, 14 | Sep 05, 17 | SONNEVILLE AG |
| 9725854 | Railway ail fastening assembly and method | Jun 26, 15 | Aug 08, 17 | PANDROL LIMITED |
| 9410293 | High-speed railway aerodynamic sleeper | Feb 15, 13 | Aug 09, 16 | UNIVERSIDAD POLITECNICA DE MADRID, ADMINISTRADOR DE INFRAESTRUCTURAS FERROVIARIAS (ADIF), Fundacion Cidaut, Fundacion Cidaut, SENER, INGENIERIA Y SISTEMAS, S.A., |
| 9238891 | High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways | Feb 20, 15 | Jan 19, 16 | GUTANNA INNOVATIVE CONCRETE AND TECHNOLOGIES, LLC |
| 8893982 | Method for manufacturing a resilient rail support block assembly | Oct 18, 13 | Nov 25, 14 | Edilon)(Sedra B.V. |
| 8662111 | Economical heavy concrete weight coating for submarine pipelines | May 24, 10 | Mar 04, 14 | KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, SAUDI ARAMCO, |
| 8221541 | Heavy weight concrete composition using slag byproducts | Sep 30, 10 | Jul 17, 12 | KOREA RAILROAD RESEARCH INSTITUTE |
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