E01B3/28 - CPC Classification Index

ClassID:

127155 ⎘

E01B3/28 - 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

Sub-classes:

E01B3/30 » Hollow sleepers 8
E01B3/32 » with armouring or reinforcement 11
E01B3/36 » Composite sleepers 11
E01B3/38 » Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails 7
E01B3/40 » Slabs; Blocks; Pot sleepers; Fastening tie-rods to them 30
E01B3/42 » combined with inserts of wood or other material 9

Recent Application in this class:

20220155131

2022-05-19

Railway track sensor system for vertical surface pressure

20190345675

2019-11-14

VIBRATION DAMPENING RAILWAY TIE BOOT

20190211512

2019-07-11

Keyway tie

20190126960

2019-05-02

Electronic tag device for rail traffic concrete prefabricated parts

20180372604

2018-12-27

Method of design and manufacturing concrete structures based on the verification of concrete fatigue strength by test

20180044237

2018-02-15

High strength reduced elastic modulus concrete

20180016752

2018-01-18

Durable railway tie

20160376751

2016-12-29

Railway ail fastening assembly and method

20160017544

2016-01-21

Sleeper block unit for railway track systems

#10

20160002863

2016-01-07

High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways

#11

20160002862

2016-01-07

High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways

#12

20150028121

2015-01-29

High-speed railway aerodynamic sleeper

#13

20140042235

2014-02-13

Method for manufacturing a resilient rail support block assembly

#14

20140027525

2014-01-30

Ballast anti-flight railroad sleeper

#15

20130075486

2013-03-28

RAIL SLEEPER

#16

20120325921

2012-12-27

Sleeper for supporting rails

#17

20120248215

2012-10-04

RAILROAD TIE

#18

20120137933

2012-06-07

Heavy weight concrete composition using slag byproducts

#19

20120091215

2012-04-19

COATED CONCRETE RAILROAD-TIES AND METHODS FOR MAKING SAME

#20

20110155819

2011-06-30

APPARATUS FOR REINFORCING RAILROAD TIES

#21

20110036918

2011-02-17

Method for manufacturing a resilient rail support block assembly

#22

20100308122

2010-12-09

CONCRETE SLEEPER AND METHOD FOR REGULATING THE POSITION OF RAILS

#23

20100213267

2010-08-26

RAIL SLEEPER

#24

20090261177

2009-10-22

RAILWAY RAIL PAD

#25

20090218410

2009-09-03

Anchoring devices for rail fastening clips

#26

20090065599

2009-03-12

Railway rail fastening clip

#27

20090045265

2009-02-19

Sealing plate for railway rail clip anchoring device and sleeper manufacturing method

#28

20080142611

2008-06-19

Railway ground crosstie

#29

20080105757

2008-05-08

Concrete Sleeper for High Dynamic Loads and Method of Manufacturing the Same

#30

20080099571

2008-05-01

Tie for a ballasted track

#31

20070200005

2007-08-30

Ozone and Chemical Resistant Coating for Railway Line Elastomeric Components

#32

20050241262

2005-11-03

Method and device for the production of a precise concrete prefabricated part