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CPC Subgroup
E02D 5/22

Piles (sheet piles, E02D5/02; )

Full Title

Bulkheads, piles, or other structural elements specially adapted to foundation engineering (engineering elements in general F16) > Piles (sheet piles, E02D5/02; )

13 direct subcodes

Child Classifications

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  • E02D 5/48 Piles varying in construction along their length
  • E02D 5/50 Piles comprising both precast concrete portions and concrete portions cast in situ
  • E02D 5/54 Piles with prefabricated supports or anchoring parts; Anchoring piles
  • E02D 5/56 Screw piles
  • E02D 5/58 Prestressed concrete piles
  • E02D 5/60 Piles with protecting cases
  • E02D 5/62 Compacting the soil at the footing or in a casing by forcing cement or like material through tubes
  • E02D 5/64 Repairing piles

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