Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Absolute position reference system for an elevator

Absolute position reference system for an elevator

US Patent 6435315 · Granted Aug 20, 2002

Estimated economic value: $35,711,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Communication of elevator reassignment information in a group elevator system2012
Destination entry passenger interface with multiple functions2010
Elevator car position determining system and method using a signal filling techn2009
Correlating sounds to elevators serving destination floors2009
Automatic destination entry system with override capability2008
Destination entry system with delayed elevator car assignment2008
Tubular linear synchronous motor control for elevator doors2007
Tubular linear synchronous motor control for elevator doors2005
Elevator access security2004
Elevator brake load weighing system2002
Selective, automatic elevator call registering system2001
Individual elevator call changing1999