Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Elevator installation and method for operating a vertical elevator shafts arranged adjacent to one another

Elevator installation and method for operating a vertical elevator shafts arranged adjacent to one another

US Patent 7621376 · Granted Nov 24, 2009

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Elevator installation with individually movable elevator cars and method for ope2009
Elevator installation with individually movable elevator cars and method for ope2009
Safety circuit for lift doors2009
Elevator supervision2008
Safety system for an elevator structure2008
Shaft door monitoring system for an elevator installation2008
Elevator installation and monitoring system for an elevator installation2008
Situation-dependent reaction in the case of a fault in the region of a door of a2007
Elevator installation having a virtual protection area at the bottom and/or the 2007
Method for preventing an inadmissibly high speed of the load receiving means of 2006
Elevator door monitoring system2006
Method of contactlessly monitoring elevator shaft doors2005