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PCE
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CPC Subgroup
E01D 15/133

built-up from readily separable standardised sections or elements, e.g. Bailey bridges (E01D15/127 takes precedence)

Full Title

Movable or portable bridges; Floating bridges > Portable or sectional bridges (floating bridges E01D15/14) > built-up from readily separable standardised sections or elements, e.g. Bailey bridges (E01D15/127 takes precedence)

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