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PCE
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CPC Subgroup
E01H 1/10

Hydraulically loosening or dislodging undesirable matter (stationary flushing devices E01H3/04); Raking or scraping apparatus (hand implements E01H1/12 )

Full Title

Removing undesirable matter from roads or like surfaces, with or without moistening of the surface (for snow or ice E01H5/00; cleaning tramway rails E01H8/00; obstruction removers on vehicles B60R19/00; in combination with application of bitumen or the like E01C19/16; in combination with application of traffic line E01C23/16 ) > Hydraulically loosening or dislodging undesirable matter (stationary flushing devices E01H3/04); Raking or scraping apparatus (hand implements E01H1/12 )

3 direct subcodes

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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