STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL (mowers convertible to apparatus for sweeping or cleaning lawns or other surfaces, e.g. to remove snow, or capable of sweeping or cleaning lawns or other surfaces Fulltext... Hierarchy... Expanded...A01D 42/00; cleaning in general Fulltext... Hierarchy... Expanded...B08B) [4]
Making or maintaining surfaces of snow or ice suitable for traffic or sporting purposes, e.g. by compacting snow (production of ice or snow Fulltext... Hierarchy... Expanded...F25C 3/00) [4]
Apparatus or implements specially adapted for breaking, disintegrating, or loosening layers of ice or hard snow
P:50
E01H 6/00
Apparatus equipped with, or having provisions for equipping with, both elements for removal of refuse or the like and elements for removal of snow or ice (Fulltext... Hierarchy... Expanded...E01H 8/00 takes precedence)
Dispersing fog in general, e.g. on roads, on airfields
P:100
E01H 15/00
Removing undesirable matter, e.g. rubbish, from the land, not otherwise provided for (gatherers for removing stones, roots or the like from the soil Fulltext... Hierarchy... Expanded...A01B 43/00) [4]