CPC Main Group
E01B 25/00 Tracks for special kinds of railways (systems B61B; wheel tracks on roads E01C9/02)
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 (wheel tracks on roads E01C9/02)
- E01B 25/30 Tracks for magnetic suspension or levitation vehicles
Top Applicants
Top 10 applicants by patent filingsfor class E01, 2013–2023, worldwide · Source: EPO PATSTAT
- PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 998
- CATERPILLAR PAVING PRODUCTS US 937
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 869
- WIRTGEN DE 740
- CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 685
- CHANG AN UNIVERSITY 615
- CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 613
- SOUTHEAST UNIVERSITY 562
- TONGJI UNIVERSITY 500
- ROAD & BRIDGE INTERNATIONAL COMPANY 491