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CPC Subgroup
E02B 5/04

Navigable canals

Full Title

Artificial water canals, (for water-power plants E02B9/02; irrigation of soil E02B13/00) > Navigable canals

1 direct subcode

Child Classifications

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  • E02B 5/06 Operating equipment in connection with canals (ship-lifting devices E02C)

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