CPC Main Group
E01B 23/00 Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
3 direct subcodes
Child Classifications
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- E01B 23/02 Tracks for light railways, e.g. for field, colliery, or mine use
- E01B 23/08 Temporary tracks for use while repairing tramways
- E01B 23/10 Shiftable tracks for heavy loads, e.g. carrying excavators
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