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DIFF 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

Introduced: September 1968

Title

Titles differ between systems:

IPC: made of timber with or without reinforcement; Means affording protection against spoiling of the wood; Self-cleaning of piles placed in water

CPC: 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

Full titles differ between systems:

IPC:

Bulkheads, piles, or other structural elements specially adapted to foundation engineering > Piles > Prefabricated piles > made of timber with or without reinforcement; Means affording protection against spoiling of the wood; Self-cleaning of piles placed in water

CPC:

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

No child classifications to compare. This is a leaf node in both 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