Patent classifications
E
FIXED CONSTRUCTIONS
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E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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E01C
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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19/00
Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
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E01C19/004
Devices for guiding or controlling the machines along a predetermined path
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E01C19/006
by laser or ultrasound
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