Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
E01B 31/02

Working rail or other metal track components on the spot

Full Title

Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (characterised by features independent of use on assembled track B21, B23 - B25, B27) > Working rail or other metal track components on the spot

5 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • E01B 31/04 Sectioning or slitting, e.g. by sawing, shearing, flame-cutting
  • E01B 31/06 Making holes, e.g. by drilling, punching, flame-cutting
  • E01B 31/08 Bending, e.g. for straightening rails or rail joints (for aligning rail ends to be welded E01B29/46)
  • E01B 31/18 Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding (E01B31/04 - E01B31/12 take precedence); Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails

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