CPC Subgroup
E01B 11/36 Fastening means for fishplates
Full Title
Rail joints (electrical connection of the rail B60M5/00) > Dismountable rail joints > Fastening means for fishplates
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- E01B 11/38 Locking arrangements for fastening means (locking means for nuts or bolts in general F16B)
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