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Showing 1 to 20 of 1191 results

PATENT /PUB No. Country Patent Title Patent Owner Filing Date Issue/Pub Date Status
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

Showing 1 to 20 of 1191 results

*Note: Documents with disabled checkboxes are ancillary ones, so these cannot be added to portfolio.