Inventor
GERINGER RICHARD
US21 patents
⚠️ This page may combine multiple inventors who share the name “GERINGER RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
(unassigned)
8 patentsUS5429399AJul 4, 1995
Electronic delayed egress locking system
113 citations97
US6363763B1Apr 2, 2002
Lock with sensor
46 citations95
US5876073AMar 2, 1999
Electrically operable door locking apparatus and method for operating the same
79 citations95
US6048000AApr 11, 2000
Delayed egress panic device with internal deadlocking bolt mechanism
47 citations92
US5525880AJun 11, 1996
Pressure-actuated exit door access bar for an electronic delayed egress locking system
26 citations92
US5376910ADec 27, 1994
Electromagnet coil assembly and mounting apparatus and method for use in installing same
45 citations92
US5969440AOct 19, 1999
Push bar with redundant pressure sensors and fail safe mechanical switch
19 citations83
US5564228AOct 15, 1996
Pressure-actuated exit door access bar for an electronic delayed egress locking system
7 citations73
GERINGER ARTHUR
6 patentsUS5257841ANov 2, 1993
Electrical monitoring strike device
GERINGER ARTHUR49 citations92
US5141271AAug 25, 1992
Alignment device for electromagnetic door lock
GERINGER ARTHUR28 citations92
US5000497AMar 19, 1991
Electromagnetic door lock device
GERINGER ARTHUR40 citations92
US5033779AJul 23, 1991
Electromagnetic door lock device
GERINGER ARTHUR21 citations81
US4986581AJan 22, 1991
Electromagnetic door lock device
GERINGER ARTHUR21 citations81
US5006723AApr 9, 1991
Electromagnetic door lock device
GERINGER ARTHUR6 citations62
SECURITY DOOR CONTROLS
5 patentsUS7963574B2Jun 21, 2011
Fail safe/fail secure lock with quick change access window
SECURITY DOOR CONTROLS16 citations92
US7698918B2Apr 20, 2010
Interchangeable lock operable in fail safe or fail secure modes
SECURITY DOOR CONTROLS32 citations92
US7614669B2Nov 10, 2009
Interchangeable lock operable in fail safe or fail secure modes
SECURITY DOOR CONTROLS20 citations92
US7540542B2Jun 2, 2009
Electric strike
SECURITY DOOR CONTROLS29 citations92
US7246827B2Jul 24, 2007
Fail safe/fail secure lock with quick change access window
SECURITY DOOR CONTROLS24 citations92