E01H 5/04 Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, conveying pneumatically (E01H5/10, E01H5/12 take precedence)
Full Title
Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice (by applying de-icing agents E01H10/00; obstruction removers on vehicles B60R19/00; sand, gravel or salt spreaders E01C19/20) > Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, conveying pneumatically (E01H5/10, E01H5/12 take precedence)
Filing statistics
CPC E01H 5/04 belongs to the parent subclass E01H, which recorded 21,455 patent applications worldwide between 2013 and 2023. Annual filings grew from 785 in 2013 to 1,782 in 2023 (+127%), peaking at 2,947 applications in 2018. 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
3 direct subcodes
Child Classifications
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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