Tracks for special kinds of railways

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 25/00 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

CROSSINGS for railwaysPOINTS for railway tracksSWITCH(ES) for railway tracks [= points]

7 direct subcodes

Child Classifications

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E01B 25/02 Tracks for rack railways
E01B 25/08 Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
E01B 25/14 Tracks for cable-drawn railway vehicles
E01B 25/16 Tracks for aerial rope railways with a stationary rope
E01B 25/22 Tracks for railways with the vehicle suspended from rigid supporting rails
E01B 25/28 Rail tracks for guiding vehicles when running on road or similar surface
E01B 25/3 Tracks for magnetic suspension or levitation vehicles

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