Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Variable elevator up peak dispatching interval

Variable elevator up peak dispatching interval

US Patent 4305479 · Granted Dec 15, 1981

Estimated economic value: $2,655,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Accommodating visually handicapped in elevator up-peak channeling2000
Transferring freight or passenger cabs between moving bogies2000
Elevator system having high rise elevator without express zone1999
Integrated, multi-level elevator shuttle1999
Pretorque to unload elevator car/floor locks before retraction1999
Horizontal and vertical passenger transport1999
Fail-safe movement of elevator cabs between car frames and landings1998
Shuttle elevators feeding local elevators1998
Traction elevators with adjustable traction sheave loading, with or without coun1998
Synchronizing elevator arrival at a level of a building1998
Locking elevator car frame to building during loading/unloading horizontally mov1998
Transferring elevator cabs between non-contiguous hoistways1998