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PCE
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CPC Subgroup
E02D 15/04

Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts

Full Title

Handling building or like materials for hydraulic engineering or foundations ( conveying or working-up concrete or similar masses in general E04G21/02) > Handling of bulk concrete specially for foundation purposes > Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts

Top Applicants

Top 10 applicants by patent filingsfor class E02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. KOMATSU JP 3,939
  2. CATERPILLAR US 3,490
  3. HITACHI CONSTRUCTION MACHINERY COMPANY JP 2,553
  4. KOMATSU 1,789
  5. JOHN DEERE US 1,277
  6. HITACHI CONSTRUCTION MACHINERY COMPANY 1,102
  7. KOBELCO CONSTRUCTION MACHINERY COMPANY JP 1,014
  8. HOHAI UNIVERSITY 975
  9. CHINA MCC17 GROUP COMPANY 810
  10. VOLVO CONSTRUCTION EQUIPMENT SE 787