Laying, rebuilding, or taking-up tracks; Tools or machines therefor

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Subclass:: PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS

Filing statistics

IPC E01B 29/00 belongs to the parent subclass E01B, which recorded 41,210 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,291 in 2013 to 3,847 in 2023 (+68%), peaking at 5,247 applications in 2020. The most active applicants in class E01 are CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY (2,096 applications), CHANG AN UNIVERSITY (1,878 applications) and ROAD & BRIDGE INTERNATIONAL COMPANY (1,796 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

LAYING of rail trackslaying TRACK(S) for railways or tramways

9 direct subcodes

Child Classifications

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E01B 29/02 Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings
E01B 29/04 Lifting or levelling of tracks
E01B 29/05 Transporting, laying, removing, or renewing both rails and sleepers
E01B 29/06 Transporting, laying, removing, or renewing sleepers
E01B 29/16 Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
E01B 29/24 Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
E01B 29/32 Installing or removing track components, not covered by the preceding groups, e.g. sole-plates, rail anchors
E01B 29/4 Means or arrangements for temporarily supporting laid tracks, or rails or sleepers in the track
E01B 29/42 Undetachably joining or fastening track components in or on the track, e.g. by welding, by gluing; Pre-assembling track components by gluing; Sealing joints with filling components

Top Applicants

Top 10 applicants by patent filingsfor class E01, 2013–2023, worldwide · Source: EPO PATSTAT

CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 2,096
CHANG AN UNIVERSITY 1,878
ROAD & BRIDGE INTERNATIONAL COMPANY 1,796
CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 1,493
CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 1,327
CCCC FIRST HIGHWAY ENGINEERING GROUP COMPANY 1,133
CCCC SECOND HARBOUR ENGINEERING COMPANY 1,029
PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 935
TONGJI UNIVERSITY 899
CATERPILLAR PAVING PRODUCTS US 868