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IPC Subgroup
E01F 9/623

characterised by form or by structural features, e.g. for enabling displacement or deflection

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 > characterised by form or by structural features, e.g. for enabling displacement or deflection

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

5 direct subcodes

Child Classifications

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  • E01F 9/627 self-righting after deflection or displacement
  • E01F 9/646 extensible, collapsible or pivotable
  • E01F 9/65 with rotatable, swingable or adjustable signs or signals
  • E01F 9/654 in the form of three-dimensional [3D] bodies, e.g. cones; capable of assuming 3D form, e.g. by inflation or erection to form a geometric body

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