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CPC Subgroup
E02D 5/26

made of timber with or without reinforcement; Means affording protection against spoiling of the wood (cases E02D5/60; impregnating agents B27K3/16); Self-cleaning of piles placed in water

Full Title

Bulkheads, piles, or other structural elements specially adapted to foundation engineering (engineering elements in general F16) > Piles (sheet piles, E02D5/02; ) > Prefabricated piles > made of timber with or without reinforcement; Means affording protection against spoiling of the wood (cases E02D5/60; impregnating agents B27K3/16); Self-cleaning of piles placed in water

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