E01F 9/604 specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
Full Title
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
Filing statistics
CPC E01F 9/604 belongs to the parent subclass E01F, which recorded 36,058 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,661 in 2013 to 2,936 in 2023 (+77%), peaking at 5,112 applications in 2020. The most active applicants in class E01 are PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN (998 applications), CATERPILLAR PAVING PRODUCTS (937 applications) and CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY (869 applications).
Source: EPO PATSTAT, worldwide filings
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
- PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 998
- CATERPILLAR PAVING PRODUCTS US 937
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 869
- WIRTGEN DE 740
- CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 685
- CHANG AN UNIVERSITY 615
- CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 613
- SOUTHEAST UNIVERSITY 562
- TONGJI UNIVERSITY 500
- ROAD & BRIDGE INTERNATIONAL COMPANY 491