|
|
7486169
|
US
|
Controlling and/or monitoring device using at least a transmission controller
|
|
Dec 10, 2004
|
Feb 3, 2009
|
Granted
|
|
|
7338176
|
US
|
Elevator installation with information representation on a shaft door
|
|
Oct 13, 2005
|
Mar 4, 2008
|
Granted
|
|
|
7350625
|
US
|
Shaft door monitoring system for an elevator installation
|
|
Sep 23, 2004
|
Apr 1, 2008
|
Granted
|
|
|
5609225
|
US
|
Compensation guidance system
|
|
Apr 25, 1995
|
Mar 11, 1997
|
Granted
|
|
|
4244457
|
US
|
Plate conveyor, especially for transporting individuals
|
|
May 10, 1978
|
Jan 13, 1981
|
Granted
|
|
|
6719099
|
US
|
Integral elevator hydraulic power unit
|
|
May 13, 2002
|
Apr 13, 2004
|
Granted
|
|
|
4654657
|
US
|
Circuit arrangement containing wire matrix for signal transmission in elevator installations
|
|
Jul 25, 1983
|
Mar 31, 1987
|
Granted
|
|
|
8800744
|
US
|
Handrail for an escalator or a moving walkway
|
|
May 5, 2009
|
Aug 12, 2014
|
Granted
|
|
|
10482221
|
US
|
Protecting a computer program against reverse engineering
|
|
Feb 22, 2016
|
Nov 19, 2019
|
Granted
|
|
|
9850097
|
US
|
Monitoring device for a passenger transport system
|
|
Dec 2, 2013
|
Dec 26, 2017
|
Granted
|
|
|
4988986
|
US
|
Display module and multiple unit display constructed of such display modules
|
|
Dec 22, 1988
|
Jan 29, 1991
|
Granted
|
|
|
5455398
|
US
|
Mounting support for electrical switches and associated legend plates
|
|
Dec 9, 1993
|
Oct 3, 1995
|
Granted
|
|
|
5323877
|
US
|
Device for the triggering of safety equipments of a lift plant
|
|
Nov 18, 1992
|
Jun 28, 1994
|
Granted
|
|
|
4782921
|
US
|
Coincident call optimization in an elevator dispatching system
|
|
Mar 16, 1988
|
Nov 8, 1988
|
Granted
|
|
|
9650229
|
US
|
Aligning shaft doors of an elevator
|
|
Aug 6, 2014
|
May 16, 2017
|
Granted
|
|
|
9834416
|
US
|
Support for supporting a person conveying device on a structure
|
|
Nov 14, 2014
|
Dec 5, 2017
|
Granted
|
|
|
6230844
|
US
|
Rope traction elevator
|
|
Jul 13, 1999
|
May 15, 2001
|
Granted
|
|
|
5992606
|
US
|
Escalator balustrade/hand rail construction
|
|
Mar 5, 1998
|
Nov 30, 1999
|
Granted
|
|
|
D551419
|
US
|
Escalator with illuminated balustrade
|
|
Sep 14, 2004
|
Sep 18, 2007
|
Granted
|
|
|
5950770
|
US
|
Connecting element for elevator guide rail
|
|
Jan 26, 1998
|
Sep 14, 1999
|
Granted
|
