Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of, and apparatus for, controlling the position of an automatically operated door

Method of, and apparatus for, controlling the position of an automatically operated door

US Patent 5001557 · Granted Mar 19, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Elevator system with visitor operating mode2025
Elevator having a suspension2017
Nondestructive testing of a carrier element of an elevator installation2015
Nondestructive testing of a carrier element of an elevator installation2015
Elevator installation comprising a light module in the door sill profile2010
Method, system and computer program product for computer-assisted furnishing of 2009
Elevator sill2007
Elevator sill2007
Elevator with drive unit mounted in a superior lateral section of the elevator h2005
Method and equipment for the secure and convenient input of control commands, in1990
Set value transmitter for a drive regulation apparatus1985