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DIFF Subgroup
E01F 9/604

specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings

Introduced: January 2016

Full Title

Full titles differ between systems:

IPC:

Arrangement of road signs or traffic signals; Arrangements for enforcing caution > Upright bodies, e.g. marker posts or bollards; Supports for road signs > specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings

CPC:

Arrangement of road signs or traffic signals; Arrangements for enforcing caution (for obstructing or restricting traffic E01F13/00) > Upright bodies, e.g. marker posts or bollards; Supports for road signs > specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 2016.

Child Classifications

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  • E01F 9/612 for indicating freshly applied road surface markings, e.g. straddling lines since 2016 IPC+CPC Available in IPC and CPC
  • E01F 9/619 with reflectors; with means for keeping reflectors clean since 2016 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