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DIFF Subgroup
E02D 5/22

Piles (sheet piles, E02D5/02; )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Piles

CPC: Piles (sheet piles, E02D5/02; )

Full Title

Full titles differ between systems:

IPC:

Bulkheads, piles, or other structural elements specially adapted to foundation engineering > Piles

CPC:

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

Of 13 combined children, 11 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E02D 5/223 CPC only CPC only
  • E02D 5/226 CPC only CPC only
  • E02D 5/48 Piles varying in construction along their length IPC+CPC Available in IPC and CPC
  • E02D 5/50 Piles comprising both precast concrete portions and concrete portions cast in situ IPC+CPC Available in IPC and CPC
  • E02D 5/54 Piles with prefabricated supports or anchoring parts; Anchoring piles IPC+CPC Available in IPC and CPC
  • E02D 5/56 Screw piles IPC+CPC Available in IPC and CPC
  • E02D 5/58 Prestressed concrete piles IPC+CPC Available in IPC and CPC
  • E02D 5/60 Piles with protecting cases IPC+CPC Available in IPC and CPC
  • E02D 5/62 Compacting the soil at the footing or in a casing by forcing cement or like material through tubes IPC+CPC Available in IPC and CPC
  • E02D 5/64 Repairing piles 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