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PCE
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DIFF Subgroup
E02F 7/10

Pipelines for conveying excavated materials (pipes in general F16L; pipe-lines systems F17D )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Pipe-lines for conveying excavated materials

CPC: Pipelines for conveying excavated materials (pipes in general F16L; pipe-lines systems F17D )

Full Title

Full titles differ between systems:

IPC:

Equipment for conveying or separating excavated material > Pipe-lines for conveying excavated materials

CPC:

Equipment for conveying or separating excavated material (barges adapted for carrying-away material from floating dredgers B63B35/28) > Pipelines for conveying excavated materials (pipes in general F16L; pipe-lines systems F17D )

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