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CPC Subgroup
E02B 7/10

Gravity dams, i.e. those in which the weight of the structure prevents overturning

Full Title

Barrages or weirs; Layout, construction, methods of, or devices for, making same (for protecting banks, coasts, or harbours E02B3/04; sealings or joints E02B3/16; handling building or like materials for hydraulic engineering E02D15/00; foundations in general E02D27/00) > Fixed barrages > Dams across valleys > Wall dams > Gravity dams, i.e. those in which the weight of the structure prevents overturning

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