Patent classifications
E
FIXED CONSTRUCTIONS
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E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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E01H
STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING; OR PREVENTING; FOG IN GENERAL; CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
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5/00
Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
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E01H5/04
Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying; levelling; elements, conveying pneumatically; for the dislodged material
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E01H5/08
dislodging essentially by driven elements,
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E01H5/09
the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
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