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DIFF Main Group
E02D 27/00

Foundations as substructures

Introduced: September 1968

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E02D 27/24 Foundations constructed by making use of diving-bells (equipment for dwelling or working under water B63C11/00) IPC+CPC Available in IPC and CPC
  • E02D 27/26 Compacting soil locally before forming foundations; Construction of foundation structures by forcing binding substances into gravel fillings (consolidating foundation soil in general E02D3/02 - E02D3/12; ) IPC+CPC Available in IPC and CPC
  • E02D 27/28 Stressing the soil or the foundation structure while forming foundations IPC+CPC Available in IPC and CPC
  • E02D 27/30 Foundations made with permanent use of sheet pile bulkheads, walls of planks, or sheet piling boxes IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class E02,2013–2023, worldwide · Source: EPO PATSTAT

  1. KOMATSU JP 3,549
  2. CATERPILLAR US 2,893
  3. HITACHI CONSTRUCTION MACHINERY COMPANY JP 2,390
  4. HITACHI CONSTRUCTION MACHINERY COMPANY 2,340
  5. POWERCHINA HUADONG ENGINEERING CORPORATION 2,336
  6. CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 2,174
  7. SGCC(STATE GRID CORPORATION OF CHINA) 2,119
  8. HOHAI UNIVERSITY 1,821
  9. KOMATSU 1,775
  10. POWERCHINA GUIYANG ENGINEERING CORPORATION 1,725

Top Applicants (CPC)

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