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IPC 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

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

Classification Context

Section:
FIXED CONSTRUCTIONS
Class:
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Subclass:
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE

4 direct subcodes

Child Classifications

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  • E01F 9/608 for guiding, warning or controlling traffic, e.g. delineator posts or milestones
  • E01F 9/612 for indicating freshly applied road surface markings, e.g. straddling lines
  • E01F 9/615 illuminated
  • E01F 9/619 with reflectors; with means for keeping reflectors clean

Top Applicants

Top 10 applicants by patent filingsfor 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