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IPC Subgroup
E01F 15/02

Continuous barriers extending along roads or between traffic lanes

Introduced: January 1995

Last revised: January 2006

Full Title

Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact > Continuous barriers extending along roads or between traffic lanes

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

Filing statistics

IPC E01F 15/02 belongs to the parent subclass E01F, which recorded 121,402 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,916 in 2013 to 15,674 in 2023 (+300%), peaking at 18,561 applications in 2020. The most active applicants in class E01 are CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY (2,096 applications), CHANG AN UNIVERSITY (1,878 applications) and ROAD & BRIDGE INTERNATIONAL COMPANY (1,796 applications).

Source: EPO PATSTAT, worldwide filings

5 direct subcodes

Child Classifications

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  • E01F 15/04 essentially made of longitudinal beams or rigid strips
  • E01F 15/06 essentially made of cables, nettings or the like
  • E01F 15/08 essentially made of walls or wall-like elements
  • E01F 15/1 portable, e.g. for temporary use
  • E01F 15/12 and having means for providing occasional passage, e.g. for emergency 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