E01B3/42 - CPC Classification Index

ClassID:

127162 ⎘

E01B3/42 - CPC Classification

Classification description:

Transverse or longitudinal sleepers ; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone combined with inserts of wood or other material

Recent Application in this class:

20220098799

2022-03-31

Assembled bamboo sleeper and preparation method thereof

20220081848

2022-03-17

One-step integrally-formed bamboo sleeper and preparation method thereof

20210131040

2021-05-06

CONCRETE CROSSTIE

20210123191

2021-04-29

Fiber-reinforced prestressed reinforced concrete sleeper

20190345065

2019-11-14

Admixture, Flowable Composition, Hardened Material, Structural Components, and Methods of Making the Same

20190309483

2019-10-10

Concrete crosstie

20180347119

2018-12-06

Method for manufacturing a railway track support, associated railway track support and railway installation

20160251807

2016-09-01

Composite rail tie apparatus and method

20160083911

2016-03-24

CONCRETE SLEEPER AND SOLID CARRIAGEWAY

#10

15459279

2018-07-03

Rail seat crown and concrete rail tie having the same