Class E01B : PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
Subclass 3/26: Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from steel combined with inserts of wood, artificial stone, or other material
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12203224 | Assembled bamboo sleeper and preparation method thereof | Apr 18, 19 | Jan 21, 25 | HUNAN TAOHUAJIANG BAMBOO SCIENCE & TECHNOLOGY CO., LTD. |
| 12152350 | One-step integrally-formed bamboo sleeper and preparation method thereof | Apr 18, 19 | Nov 26, 24 | HUNAN TAOHUAJIANG BAMBOO SCIENCE & TECHNOLOGY CO., LTD. |
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