CPC Subgroup
E01F 13/085 Full Title
Arrangements for obstructing or restricting traffic, e.g. gates, barricades (for railway crossings B61L ) > movable to allow or prevent passage > by swinging into closed position about a transverse axis situated in the road surface, e.g. tiltable sections of the road surface, tiltable parking posts
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