• Technology trends
  • Patent search
  • Sign In
  • Sign Up
Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B66
HOISTING; LIFTING; HAULING
Load children
B66B
ELEVATORS; ESCALATORS OR MOVING WALKWAYS
Load children
23/00
Component parts of escalators or moving walkways
Load children Filter patents View analytics View as hierarchy
B66B23/16
Means allowing tensioning of the endless member
Load children Filter patents View analytics View as hierarchy
B66B23/20
for handrails
Filter patents View analytics View as hierarchy