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PCE
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CPC Subgroup
E02F 7/10

Pipelines for conveying excavated materials (pipes in general F16L; pipe-lines systems F17D )

Full Title

Equipment for conveying or separating excavated material (barges adapted for carrying-away material from floating dredgers B63B35/28) > Pipelines for conveying excavated materials (pipes in general F16L; pipe-lines systems F17D )

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