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PCE
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CPC Subgroup
E01C 9/02

Wheel tracks (rail tracks for guiding vehicles E01B25/28)

Full Title

Special pavings (specially adapted for playgrounds or sports grounds E01C13/00, for footpaths, sidewalks or cycle tracks E01C15/00); Pavings for special parts of roads or airfields (pavement lights E01C17/00; manholes or like covers or frames E02D29/14) > Wheel tracks (rail tracks for guiding vehicles E01B25/28)

Top Applicants

Top 10 applicants by patent filingsfor class E01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 998
  2. CATERPILLAR PAVING PRODUCTS US 937
  3. CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 869
  4. WIRTGEN DE 740
  5. CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 685
  6. CHANG AN UNIVERSITY 615
  7. CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 613
  8. SOUTHEAST UNIVERSITY 562
  9. TONGJI UNIVERSITY 500
  10. ROAD & BRIDGE INTERNATIONAL COMPANY 491