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IPC Subgroup
E01F 13/12

for forcibly arresting or disabling vehicles, e.g. spiked mats

Introduced: January 1995

Last revised: January 2006

Full Title

Arrangements for obstructing or restricting traffic, e.g. gates, barricades > for forcibly arresting or disabling vehicles, e.g. spiked mats

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

Related Keywords

SPIKE(S) mats for disabling vehicles

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