Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Load children
E01B
PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
Load children
29/00
Laying, rebuilding, or taking-up tracks; Tools or machines therefor
Load children Filter patents View analytics View as hierarchy
E01B29/06
Transporting, laying, removing or renewing sleepers
Load children Filter patents View analytics View as hierarchy
E01B29/09
under, or from under, installed rails
Load children Filter patents View analytics View as hierarchy
E01B29/13
for moving sleepers in a direction parallel to the rails, e.g. for spacing or aligning them
Filter patents View analytics View as hierarchy