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CPC Subgroup
E01B 25/08

Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail

Full Title

Tracks for special kinds of railways (systems B61B; wheel tracks on roads E01C9/02) > Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail

Filing statistics

CPC E01B 25/08 belongs to the parent subclass E01B, which recorded 21,234 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,035 in 2013 to 1,523 in 2023 (+47%), peaking at 2,607 applications in 2020. The most active applicants in class E01 are PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN (998 applications), CATERPILLAR PAVING PRODUCTS (937 applications) and CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY (869 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

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  • E01B 25/10 Mono-rails; Auxiliary balancing rails; Supports or connections for rails
  • E01B 25/12 Switches; Crossings

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