E01B 3/02

Sub-Class

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Description

Class  E01B : PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS


Subclass 3/02: Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from wood (drying or impregnating B27K)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12152350 One-step integrally-formed bamboo sleeper and preparation method thereofApr 18, 19Nov 26, 24HUNAN TAOHUAJIANG BAMBOO SCIENCE & TECHNOLOGY CO., LTD.
10456959 Bamboo railroad tie manufacturing systemJan 21, 16Oct 29, 19TieBam, Inc.
10264794 Compositions comprising unsaturated fatty esters and uses thereofMar 06, 14Apr 23, 19Stella-Jones Inc.

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Recent Publications

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Patents Issued To Date - By Filing Year

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