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CPC Subgroup
E01C 13/10

for artificial surfaces for outdoor or indoor practice of snow or ice sports (E01C13/08 takes precedence; production of snow or ice for winter sports or similar recreational purposes F25C3/00)

Full Title

Pavings or foundations specially adapted for playgrounds or sports grounds; (general layout A63C19/00) > for artificial surfaces for outdoor or indoor practice of snow or ice sports (E01C13/08 takes precedence; production of snow or ice for winter sports or similar recreational purposes F25C3/00)

3 direct subcodes

Child Classifications

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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