Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Load children
E01H
STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING; OR PREVENTING; FOG IN GENERAL; CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
Load children
1/00
Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
Load children Filter patents View analytics View as hierarchy
E01H1/02
Brushing apparatus,; e.g. with auxiliary instruments for mechanically loosening dirt
Load children Filter patents View analytics View as hierarchy
E01H1/04
taking- up the sweepings, e.g. for collecting, for loading
Load children Filter patents View analytics View as hierarchy