Class E01B : PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
Subclass 3/34: 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) with pre-tensioned armouring or reinforcement (pre-tensioned armouring or reinforcing elements E04C 5/00)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11136724 | Fiber-reinforced prestressed reinforced concrete sleeper | Jun 11, 18 | Oct 05, 21 | CHINA ACADEMY OF RAILWAY SCIENCES CORPORATON LIMITED RAILWAY ENGINEERING RESEARCH INSTITUTE; RAILWAY ENGINEERING RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED; BEIJING TIEKE SHOUGANG TRACK TECHNOLOGY CO. , LTD; |
| 10895042 | Concrete crosstie | Apr 10, 18 | Jan 19, 21 | 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 |
| 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 |
| 8875411 | Cylindrical ruler | Sep 11, 12 | Nov 04, 14 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0229,364 | PROCESS AND SYSTEM FOR LAYING TRACKS FOR UNDERGROUND, RAILWAY AND TRAMWAY LINES | Mar 05, 21 | Jul 11, 24 | OVERAIL S.R.L. |
| 2024/0133,125 | PROCESS AND SYSTEM FOR LAYING TRACKS FOR UNDERGROUND, RAILWAY AND TRAMWAY LINES | Mar 05, 21 | Apr 25, 24 | OVERAIL S.R.L. |
| 2021/0131,040 | CONCRETE CROSSTIE | Jan 15, 21 | May 06, 21 | Not available |
| 2019/0309,483 | CONCRETE CROSSTIE | Apr 10, 18 | Oct 10, 19 | Gutanna Innovative Concrete and Technologies, LLC |
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