IPC Main Group
E01H 5/00 Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- Subclass:
- STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL
Related Keywords
CLEARING roadwaysremoving ICE from roadsMELTING ice or snow on roadsROUGHENING of snow or ice for traffic purposesremoving SNOW from roadsSNOW ploughsSWEEPING of roads
4 direct subcodes
Child Classifications
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- E01H 5/02 Hand implements
- E01H 5/04 Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying elements, e.g. conveying pneumatically
- E01H 5/1 by application of heat
- E01H 5/12 Apparatus or implements specially adapted for breaking, disintegrating, or loosening layers of ice or hard snow
Top Applicants
Top 10 applicants by patent filingsfor class E01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 2,096
- CHANG AN UNIVERSITY 1,878
- ROAD & BRIDGE INTERNATIONAL COMPANY 1,796
- CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 1,493
- CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 1,327
- CCCC FIRST HIGHWAY ENGINEERING GROUP COMPANY 1,133
- CCCC SECOND HARBOUR ENGINEERING COMPANY 1,029
- PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 935
- TONGJI UNIVERSITY 899
- CATERPILLAR PAVING PRODUCTS US 868