E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
Description
E01F covers supplementary construction and equipment installations associated with roads, railways, and similar infrastructure. This includes platforms, helicopter landing areas, directional or informational signs, snow barriers, and comparable auxiliary structures that enhance functionality or safety of transportation routes. The classification encompasses both the design and construction methods for these ancillary works, as distinct from the primary road or railway structures covered by E01B-E01D. It applies to fixed installations that are integral to the operational use of transportation infrastructure rather than vehicles or temporary equipment.
Filing statistics
CPC subclass E01F 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
9 direct subcodes
Child Classifications
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- E01F 1/00 Construction of platforms or refuge islands (general arrangement of railway platforms )
- E01F 11/00 Embedding pads or other sensitive devices in paving or other road surfaces (pressure-sensitive elements G01L; traffic control systems G08G)
- E01F 13/00 Arrangements for obstructing or restricting traffic, e.g. gates, barricades (for railway crossings B61L )
- E01F 15/00 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 (arrangements for fastening signs or signals to safety barriers or the like E01F9/669; for forcibly arresting vehicles E01F13/00)
- E01F 3/00 Landing stages for helicopters, e.g. located above buildings (layout of airfields B64F; buildings or like structures for special purposes E04H)
- E01F 5/00 Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits ( underground drainage E02D; conduits for sewerage E03F)
- E01F 7/00 Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks (permanently installed heating or blowing devices for roads E01C11/26); Anti-dazzle arrangements
- E01F 8/00 Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic (ground installations for reducing aircraft noise B64F1/26; general building constructions for absorbing or reflecting noise, noise absorption or reflection for buildings E04B1/74)
- E01F 9/00 Arrangement of road signs or traffic signals; Arrangements for enforcing caution (for obstructing or restricting traffic E01F13/00)
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