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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8/00
Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
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E01H8/02
Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs; ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles; ; ; Moving or removing ballast
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E01H8/06
essentially by driven tools; clearing instruments, e.g. rotary cutting tools or brushes
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