Inventor · disambiguated record
David Geringer
Also filed as: GERINGER DAVID · GERINGER DAVID A
35 granted patents·5 pending applications·929 citations·filing 1983–2024
98Inventor score
Files withGERINGER ARTHUR V111 ADOLFO LLC7SECURITY DOOR CONTROLS7GERINGER ARTHUR6SECURITY DOOR CONTROLS INC1
Top patents by PatentIndex Score
40 records- 0197US5429399AElectronic delayed egress locking systemFiled 1992·Granted Jul 4, 1995·113 cites·23 claims
- 0294US8851532B2Electric strikeGERINGER ARTHUR V·Filed 2010·Granted Oct 7, 2014·22 cites·22 claims
- 0393US8851530B2Electric latch retraction barGERINGER ARTHUR V·Filed 2009·Granted Oct 7, 2014·22 cites·17 claims
- 0493US7540542B2Electric strikeSECURITY DOOR CONTROLS·Filed 2007·Granted Jun 2, 2009·29 cites·21 claims
- 0592US7246827B2Fail safe/fail secure lock with quick change access windowSECURITY DOOR CONTROLS·Filed 2005·Granted Jul 24, 2007·24 cites·8 claims
- 0690US10107015B2Electric latch retraction push-bar device1 ADOLFO LLC·Filed 2014·Granted Oct 23, 2018·13 cites·25 claims
- 0790US5876073AElectrically operable door locking apparatus and method for operating the sameFiled 1997·Granted Mar 2, 1999·79 cites·14 claims
- 0887US4634155APower actuated door locking and monitoring assemblyGERINGER ARTHUR V·Filed 1983·Granted Jan 6, 1987·50 cites·6 claims
- 0986US7963574B2Fail safe/fail secure lock with quick change access windowSECURITY DOOR CONTROLS·Filed 2007·Granted Jun 21, 2011·16 cites·16 claims
- 1086US7614669B2Interchangeable lock operable in fail safe or fail secure modesSECURITY DOOR CONTROLS·Filed 2005·Granted Nov 10, 2009·20 cites·8 claims
- 1182US6363763B1Lock with sensorFiled 1999·Granted Apr 2, 2002·46 cites·20 claims
- 1282US4609910AExit door security systemGERINGER ARTHUR V·Filed 1985·Granted Sep 2, 1986·38 cites·17 claims
- 1381US7698918B2Interchangeable lock operable in fail safe or fail secure modesSECURITY DOOR CONTROLS·Filed 2004·Granted Apr 20, 2010·32 cites·31 claims
- 1480US4826223AElectromagnetic door lock deviceGERINGER ARTHUR V·Filed 1987·Granted May 2, 1989·37 cites·12 claims
- 1580US2025027340A1Electric lock with latch retractorGERINGER ARTHUR V·Filed 2024·Application pending·0 cites
- 1679US11542726B2Surface mounted single solenoid electric strikeSECURITY DOOR CONTROLS INC·Filed 2020·Granted Jan 3, 2023·3 cites·19 claims
- 1779US5257841AElectrical monitoring strike deviceGERINGER ARTHUR·Filed 1992·Granted Nov 2, 1993·49 cites·8 claims
- 1879US5000497AElectromagnetic door lock deviceGERINGER ARTHUR·Filed 1990·Granted Mar 19, 1991·40 cites·22 claims
- 1978US10697202B2Electronic cathode lock1 ADOLFO LLC·Filed 2017·Granted Jun 30, 2020·5 cites·19 claims
- 2077US6048000ADelayed egress panic device with internal deadlocking bolt mechanismFiled 1998·Granted Apr 11, 2000·47 cites·34 claims
- 2176US5376910AElectromagnet coil assembly and mounting apparatus and method for use in installing sameFiled 1993·Granted Dec 27, 1994·45 cites·24 claims
- 2269US9797165B2Electric latch retraction bar1 ADOLFO LLC·Filed 2014·Granted Oct 24, 2017·2 cites·20 claims
- 2367US4623178ALock assemblyGERINGER ARTHUR V·Filed 1985·Granted Nov 18, 1986·28 cites·5 claims
- 2463US5525880APressure-actuated exit door access bar for an electronic delayed egress locking systemFiled 1995·Granted Jun 11, 1996·26 cites·3 claims
- 2561US12110710B2Electric lock with latch retractor1 ADOLFO LLC·Filed 2016·Granted Oct 8, 2024·1 cites·18 claims
- 2660US5141271AAlignment device for electromagnetic door lockGERINGER ARTHUR·Filed 1991·Granted Aug 25, 1992·28 cites·19 claims
- 2759US5969440APush bar with redundant pressure sensors and fail safe mechanical switchFiled 1998·Granted Oct 19, 1999·19 cites·29 claims
- 2856US4641867ADoor closure assemblyGERINGER ARTHUR V·Filed 1985·Granted Feb 10, 1987·17 cites·4 claims
- 2955US4596411ADoor locking and monitoring assemblyGERINGER ARTHUR V·Filed 1983·Granted Jun 24, 1986·17 cites·3 claims
- 3053US5033779AElectromagnetic door lock deviceGERINGER ARTHUR·Filed 1990·Granted Jul 23, 1991·21 cites·16 claims
- 3153US4986581AElectromagnetic door lock deviceGERINGER ARTHUR·Filed 1990·Granted Jan 22, 1991·21 cites·10 claims
- 3252US10815692B2Electric strike1 ADOLFO LLC·Filed 2014·Granted Oct 27, 2020·0 cites·24 claims
- 3351US2006254330A1Lock with latch sensorSECURITY DOOR CONTROLS·Filed 2006·Application pending·0 cites
- 3448US12227969B2Door latch locking mechanism1 ADOLFO LLC·Filed 2018·Granted Feb 18, 2025·0 cites·13 claims
- 3546US2004189018A1Push bar locking mechanism with rapid unlockingSECURITY DOOR CONTROLS·Filed 2004·Application pending·0 cites
- 3643US2013321125A1Delayed egress device or lock with enhanced visibilityGERINGER ARTHUR V·Filed 2013·Application pending·0 cites
- 3741US2017268256A1Electric lock with latch retractor1 ADOLFO LLC·Filed 2017·Application pending·0 cites
- 3837US5564228APressure-actuated exit door access bar for an electronic delayed egress locking systemFiled 1993·Granted Oct 15, 1996·7 cites·42 claims
- 3935US4623181AEntry closure assemblyGERINGER ARTHUR V·Filed 1985·Granted Nov 18, 1986·6 cites·14 claims
- 4033US5006723AElectromagnetic door lock deviceGERINGER ARTHUR·Filed 1990·Granted Apr 9, 1991·6 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →