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
Navigate with arrow keys, Enter to open
- E01C 13/12 for snow sports
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