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CPC Subgroup
E02D 27/32

Foundations for special purposes

Full Title

Foundations as substructures > Foundations for special purposes

11 direct subcodes

Child Classifications

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  • E02D 27/34 Foundations for sinking or earthquake territories (building constructions with protection arrangements against earthquakes E04H9/02)
  • E02D 27/35 Foundations formed in frozen ground, e.g. in permafrost soil
  • E02D 27/36 Foundations formed in moors or bogs
  • E02D 27/38 Foundations for large tanks, e.g. oil tanks
  • E02D 27/40 Foundations for dams across valleys or for dam constructions
  • E02D 27/44 Foundations for machines, engines or ordnance (special layout of foundations with respect to machinery to be supported F16M9/00)
  • E02D 27/46 Foundations for supply conduits or other canals
  • E02D 27/48 Foundations inserted underneath existing buildings or constructions
  • E02D 27/50 Anchored foundations

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