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DIFF Main Group
E01C 9/00

Special pavings (specially adapted for playgrounds or sports grounds E01C13/00, for footpaths, sidewalks or cycle tracks E01C15/00); Pavings for special parts of roads or airfields (pavement lights E01C17/00; manholes or like covers or frames E02D29/14)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Special pavings; Pavings for special parts of roads or airfields

CPC: Special pavings (specially adapted for playgrounds or sports grounds E01C13/00, for footpaths, sidewalks or cycle tracks E01C15/00); Pavings for special parts of roads or airfields (pavement lights E01C17/00; manholes or like covers or frames E02D29/14)

Full Title

Full titles differ between systems:

IPC:

Special pavings; Pavings for special parts of roads or airfields

CPC:

Special pavings (specially adapted for playgrounds or sports grounds E01C13/00, for footpaths, sidewalks or cycle tracks E01C15/00); Pavings for special parts of roads or airfields (pavement lights E01C17/00; manholes or like covers or frames E02D29/14)

Of 10 combined children, 5 exist in both systems.

5 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E01C 9/001 CPC only CPC only
  • E01C 9/002 CPC only CPC only
  • E01C 9/007 CPC only CPC only
  • E01C 9/008 CPC only CPC only
  • E01C 9/02 Wheel tracks (rail tracks for guiding vehicles E01B25/28) IPC+CPC Available in IPC and CPC
  • E01C 9/04 Pavings for railroad level-crossings IPC+CPC Available in IPC and CPC
  • E01C 9/06 Pavings adjacent tramways rails IPC+CPC Available in IPC and CPC
  • E01C 9/10 Steel gratings ( gully gratings E03F5/06) IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class E01,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 2,096
  2. CHANG AN UNIVERSITY 1,878
  3. ROAD & BRIDGE INTERNATIONAL COMPANY 1,796
  4. CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 1,493
  5. CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 1,327
  6. CCCC FIRST HIGHWAY ENGINEERING GROUP COMPANY 1,133
  7. CCCC SECOND HARBOUR ENGINEERING COMPANY 1,029
  8. PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 935
  9. TONGJI UNIVERSITY 899
  10. CATERPILLAR PAVING PRODUCTS US 868

Top Applicants (CPC)

Class E01,2013–2023, worldwide · Source: EPO PATSTAT

  1. PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 998
  2. CATERPILLAR PAVING PRODUCTS US 937
  3. CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 869
  4. WIRTGEN DE 740
  5. CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 685
  6. CHANG AN UNIVERSITY 615
  7. CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 613
  8. SOUTHEAST UNIVERSITY 562
  9. TONGJI UNIVERSITY 500
  10. ROAD & BRIDGE INTERNATIONAL COMPANY 491