IPC Main Group
E01B 25/00 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
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