Assignee
MEDECO SECURITY LOCKS
US·59 granted patents·1 pending application·3,193 citations·filing 1978–2015
Top patents by PatentIndex Score
60 records- 0197US6477875B2Rotating pin tumbler side bar lock with side bar controlMEDECO SECURITY LOCKS·Filed 2001·Granted Nov 12, 2002·117 cites·15 claims
- 0297US4723427ASymmetrical side bar lock and key thereforMEDECO SECURITY LOCKS·Filed 1986·Granted Feb 9, 1988·133 cites·9 claims
- 0394US4635455ACylinder lockMEDECO SECURITY LOCKS·Filed 1985·Granted Jan 13, 1987·90 cites·19 claims
- 0493US9416561B2Cylinder lock configured to be operated by a flat-bladed keyMEDECO SECURITY LOCKS·Filed 2015·Granted Aug 16, 2016·13 cites·10 claims
- 0593US4552001AHigh security T-handle assemblyMEDECO SECURITY LOCKS·Filed 1983·Granted Nov 12, 1985·76 cites·9 claims
- 0692USD285772SDead-bolt lockMEDECO SECURITY LOCKS·Filed 1984·Granted Sep 23, 1986·49 cites·1 claims
- 0792US4530223AGuard for key cylinderMEDECO SECURITY LOCKS·Filed 1982·Granted Jul 23, 1985·65 cites·12 claims
- 0890US5745044AElectronic security systemMEDECO SECURITY LOCKS·Filed 1992·Granted Apr 28, 1998·295 cites·15 claims
- 0989US9920551B2Electromechanical cylinder lockMEDECO SECURITY LOCKS·Filed 2013·Granted Mar 20, 2018·5 cites·1 claims
- 1089US9771738B2Flat-bladed keyMEDECO SECURITY LOCKS·Filed 2015·Granted Sep 26, 2017·8 cites·25 claims
- 1189US6945082B2Key blank, key and master keying systemMEDECO SECURITY LOCKS·Filed 2002·Granted Sep 20, 2005·58 cites·8 claims
- 1288US5839307AElectromechanical cylinder lock with rotary releaseMEDECO SECURITY LOCKS·Filed 1997·Granted Nov 24, 1998·83 cites·19 claims
- 1388US5088306ACylinder lock with changeable keywayMEDECO SECURITY LOCKS·Filed 1989·Granted Feb 18, 1992·51 cites·13 claims
- 1488US4732022AKey for an improved twisting tumbler cylinder lockMEDECO SECURITY LOCKS·Filed 1986·Granted Mar 22, 1988·63 cites·3 claims
- 1587US4158952APadlock with removable top closureMEDECO SECURITY LOCKS·Filed 1978·Granted Jun 26, 1979·42 cites·5 claims
- 1686US6005487AElectronic security system with novel electronic T-handle lockMEDECO SECURITY LOCKS·Filed 1993·Granted Dec 21, 1999·196 cites·10 claims
- 1786US5419168AHierarchical cylinder lock and key systemMEDECO SECURITY LOCKS·Filed 1993·Granted May 30, 1995·53 cites·6 claims
- 1886US5140317AElectronic security systemMEDECO SECURITY LOCKS·Filed 1990·Granted Aug 18, 1992·213 cites·14 claims
- 1986US4998952AKey for electronic and mechanical locksMEDECO SECURITY LOCKS·Filed 1990·Granted Mar 12, 1991·60 cites·7 claims
- 2085US6578396B2Removable cylindrical lock coreMEDECO SECURITY LOCKS·Filed 2002·Granted Jun 17, 2003·45 cites·4 claims
- 2184US5570601AHierarchical cylinder lock and key systemMEDECO SECURITY LOCKS·Filed 1995·Granted Nov 5, 1996·53 cites·10 claims
- 2283US7797973B2Hierarchical cylinder lock systemsMEDECO SECURITY LOCKS·Filed 2008·Granted Sep 21, 2010·21 cites·15 claims
- 2383US4688409ADrop-bolt door lock assemblyMEDECO SECURITY LOCKS·Filed 1986·Granted Aug 25, 1987·53 cites·3 claims
- 2481US5943890ACylinder lock and key assembly and hierarchical system thereforMEDECO SECURITY LOCKS·Filed 1996·Granted Aug 31, 1999·53 cites·25 claims
- 2581US5775148AUniversal apparatus for use with electronic and/or mechanical access control devicesMEDECO SECURITY LOCKS·Filed 1997·Granted Jul 7, 1998·60 cites·14 claims
- 2681USRE35518ERestricted key systemMEDECO SECURITY LOCKS·Filed 1995·Granted May 27, 1997·48 cites·16 claims
- 2781US5604489AAlphanumeric input terminalMEDECO SECURITY LOCKS·Filed 1992·Granted Feb 18, 1997·44 cites·8 claims
- 2880US6105404ASquiggle keys and cylinder locks for squiggle keysMEDECO SECURITY LOCKS·Filed 1998·Granted Aug 22, 2000·48 cites·26 claims
- 2978US9482031B2Cylinder lock including multiple cooperating sidebars for controlling the lockMEDECO SECURITY LOCKS·Filed 2015·Granted Nov 1, 2016·5 cites·17 claims
- 3078US7412860B1Key blank and keyMEDECO SECURITY LOCKS·Filed 2007·Granted Aug 19, 2008·11 cites·14 claims
- 3177US6023954AKeys for cylinder locksMEDECO SECURITY LOCKS·Filed 1996·Granted Feb 15, 2000·35 cites·10 claims
- 3276US5615565AKeys for cylinder locksMEDECO SECURITY LOCKS·Filed 1995·Granted Apr 1, 1997·33 cites·13 claims
- 3376US4866964ARemovable core lockMEDECO SECURITY LOCKS·Filed 1988·Granted Sep 19, 1989·35 cites·3 claims
- 3475US5671523AMethod for supporting keys and key blanks during cutting thereofMEDECO SECURITY LOCKS·Filed 1995·Granted Sep 30, 1997·52 cites·19 claims
- 3575US5289709APin tumblers and corresponding keys for cylinder locksMEDECO SECURITY LOCKS·Filed 1991·Granted Mar 1, 1994·41 cites·14 claims
- 3674US9045915B2Key with movable element disposed within key bladeMEDECO SECURITY LOCKS·Filed 2014·Granted Jun 2, 2015·7 cites·11 claims
- 3774US7552608B2Lock, key blank, and key of a hierarchical lock systemMEDECO SECURITY LOCKS·Filed 2008·Granted Jun 30, 2009·7 cites·16 claims
- 3874US6384711B1Electronic lock in cylinder of standard lockMEDECO SECURITY LOCKS·Filed 1998·Granted May 7, 2002·178 cites·21 claims
- 3974US6012311ARemovable core lockMEDECO SECURITY LOCKS·Filed 1999·Granted Jan 11, 2000·47 cites·24 claims
- 4074USD333972SHousing for an electronic key readerMEDECO SECURITY LOCKS·Filed 1990·Granted Mar 16, 1993·17 cites·1 claims
- 4173US9359793B2Cylinder lock with internal slider and key thereforeMEDECO SECURITY LOCKS·Filed 2014·Granted Jun 7, 2016·6 cites·13 claims
- 4272US6467602B2Electromechanical parking meter door communications interfaceMEDECO SECURITY LOCKS·Filed 2001·Granted Oct 22, 2002·49 cites·11 claims
- 4370US7788956B2Lock, key blank, and key of a hierarchical lock systemMEDECO SECURITY LOCKS·Filed 2009·Granted Sep 7, 2010·5 cites·11 claims
- 4470US5319362ASecurity system with security access database distributed among individual access devicesMEDECO SECURITY LOCKS·Filed 1992·Granted Jun 7, 1994·104 cites·16 claims
- 4570US4829798ACombination switch lock/cam lock assemblyMEDECO SECURITY LOCKS·Filed 1987·Granted May 16, 1989·26 cites·3 claims
- 4669USD324480SDropbolt lockMEDECO SECURITY LOCKS·Filed 1990·Granted Mar 10, 1992·14 cites·1 claims
- 4769US5038588AHigh security T-handle lock assembly with front handle improvementsMEDECO SECURITY LOCKS·Filed 1990·Granted Aug 13, 1991·35 cites·11 claims
- 4867US7895865B2Cylinder lock assembly with a tailpiece rotationally coupled to the cylinder plugMEDECO SECURITY LOCKS·Filed 2008·Granted Mar 1, 2011·5 cites·23 claims
- 4967US6053677AApparatus for supporting keys and key blanks during cutting thereofMEDECO SECURITY LOCKS·Filed 1997·Granted Apr 25, 2000·28 cites·3 claims
- 5067US5161397AKnob cylinder lockMEDECO SECURITY LOCKS·Filed 1991·Granted Nov 10, 1992·28 cites·1 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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