Assignee
MASTER LOCK CO
US·393 granted patents·50 pending applications·7,186 citations·filing 1974–2025
Top patents by PatentIndex Score
443 records- 0197US11468721B2Guest access for locking deviceMASTER LOCK CO·Filed 2020·Granted Oct 11, 2022·4 cites·19 claims
- 0297US8850858B2Lock subassemblyMASTER LOCK CO·Filed 2013·Granted Oct 7, 2014·49 cites·21 claims
- 0396US10352068B2Cable locking deviceMASTER LOCK CO·Filed 2017·Granted Jul 16, 2019·18 cites·20 claims
- 0496US9600949B2Wireless key management for authenticationMASTER LOCK CO·Filed 2014·Granted Mar 21, 2017·44 cites·20 claims
- 0596US7948359B2Electronic security deviceMASTER LOCK CO·Filed 2006·Granted May 24, 2011·59 cites·21 claims
- 0696USD635324SSafeMASTER LOCK CO·Filed 2010·Granted Mar 29, 2011·89 cites·1 claims
- 0796USD578758SStorage containerMASTER LOCK CO·Filed 2008·Granted Oct 21, 2008·66 cites·1 claims
- 0896US6755054B2Cable locking mechanismMASTER LOCK CO·Filed 2002·Granted Jun 29, 2004·45 cites·18 claims
- 0995US10779115B1Systems and methods for dynamically delivering access credentials for locking systemsMASTER LOCK CO·Filed 2020·Granted Sep 15, 2020·13 cites·20 claims
- 1095US9996999B2Location tracking for locking deviceMASTER LOCK CO·Filed 2014·Granted Jun 12, 2018·41 cites·10 claims
- 1195US9894066B2Wireless firmware updatesMASTER LOCK CO·Filed 2015·Granted Feb 13, 2018·22 cites·24 claims
- 1295USD729608SLockMASTER LOCK CO·Filed 2014·Granted May 19, 2015·14 cites·1 claims
- 1395US7870764B2Cable lock with resettable combinationMASTER LOCK CO·Filed 2008·Granted Jan 18, 2011·40 cites·17 claims
- 1495US7334443B2Radio frequency electronic lockMASTER LOCK CO·Filed 2003·Granted Feb 26, 2008·79 cites·16 claims
- 1595US7306275B2Receiver pinMASTER LOCK CO·Filed 2006·Granted Dec 11, 2007·38 cites·17 claims
- 1695US7262376B2Circuit breaker lockout deviceMASTER LOCK CO·Filed 2006·Granted Aug 28, 2007·35 cites·31 claims
- 1795US5044180ARekeyable shrouded lockMASTER LOCK CO·Filed 1990·Granted Sep 3, 1991·97 cites·9 claims
- 1894US11947649B2Locking device biometric accessMASTER LOCK CO·Filed 2022·Granted Apr 2, 2024·2 cites·20 claims
- 1994US11275820B2Locking device biometric accessMASTER LOCK CO·Filed 2020·Granted Mar 15, 2022·3 cites·15 claims
- 2094US10205913B2Cameras and networked security systems and methodsMASTER LOCK CO·Filed 2015·Granted Feb 12, 2019·27 cites·21 claims
- 2194US10142843B2Wireless key management for authenticationMASTER LOCK CO·Filed 2017·Granted Nov 27, 2018·14 cites·22 claims
- 2294US7526933B2Multipoint door lockMASTER LOCK CO·Filed 2007·Granted May 5, 2009·29 cites·27 claims
- 2393US10094885B2Predictive battery warnings for an electronic locking deviceMASTER LOCK CO·Filed 2017·Granted Oct 9, 2018·6 cites·15 claims
- 2493USD703023SLockMASTER LOCK CO·Filed 2013·Granted Apr 22, 2014·10 cites·1 claims
- 2593US7556229B2ClampMASTER LOCK CO·Filed 2006·Granted Jul 7, 2009·37 cites·23 claims
- 2693US7360380B2Lock boxMASTER LOCK CO·Filed 2005·Granted Apr 22, 2008·36 cites·26 claims
- 2793USD533764SLock shackleMASTER LOCK CO·Filed 2005·Granted Dec 19, 2006·43 cites·1 claims
- 2893US6401501B1Lock constructionMASTER LOCK CO·Filed 2000·Granted Jun 11, 2002·80 cites·41 claims
- 2993US5513505AAdjustable interconnected lock assemblyMASTER LOCK CO·Filed 1993·Granted May 7, 1996·91 cites·8 claims
- 3093US2026050661A1Locking device biometric accessMASTER LOCK CO·Filed 2025·Application pending·0 cites
- 3192US10487543B2Locking device with anti-jam mechanismMASTER LOCK CO·Filed 2017·Granted Nov 26, 2019·13 cites·18 claims
- 3292US10262484B2Location tracking for locking deviceMASTER LOCK CO·Filed 2017·Granted Apr 16, 2019·14 cites·16 claims
- 3392US9501046B2Safety lockout systems and methodsMASTER LOCK CO·Filed 2013·Granted Nov 22, 2016·33 cites·18 claims
- 3492US9455839B2Wireless key management for authenticationMASTER LOCK CO·Filed 2014·Granted Sep 27, 2016·19 cites·21 claims
- 3592US8607600B2Pin locking deviceMASTER LOCK CO·Filed 2012·Granted Dec 17, 2013·13 cites·13 claims
- 3692USD594311SLockMASTER LOCK CO·Filed 2008·Granted Jun 16, 2009·53 cites·1 claims
- 3792US7501593B2Switch lockout deviceMASTER LOCK CO·Filed 2007·Granted Mar 10, 2009·22 cites·21 claims
- 3892US7448236B2Coupler latch lock and method of useMASTER LOCK CO·Filed 2007·Granted Nov 11, 2008·29 cites·17 claims
- 3992USD457113SLock constructionMASTER LOCK CO·Filed 2000·Granted May 14, 2002·46 cites·1 claims
- 4091US8904831B2Locking arrangementsMASTER LOCK CO·Filed 2013·Granted Dec 9, 2014·17 cites·16 claims
- 4191US7610784B2Keyway cover for a lockMASTER LOCK CO·Filed 2007·Granted Nov 3, 2009·28 cites·14 claims
- 4291US6629440B1Adjustable cable lockMASTER LOCK CO·Filed 2000·Granted Oct 7, 2003·57 cites·25 claims
- 4391US4615191ABarrel combination lockMASTER LOCK CO·Filed 1985·Granted Oct 7, 1986·70 cites·3 claims
- 4490US7516843B2Padlock display packageMASTER LOCK CO·Filed 2006·Granted Apr 14, 2009·20 cites·16 claims
- 4590USD537703SLockMASTER LOCK CO·Filed 2006·Granted Mar 6, 2007·44 cites·1 claims
- 4690USD520339SLock shackleMASTER LOCK CO·Filed 2003·Granted May 9, 2006·29 cites·1 claims
- 4790USD461392SPin lockMASTER LOCK CO·Filed 2001·Granted Aug 13, 2002·40 cites·1 claims
- 4889US11568691B2Key fob isolatorMASTER LOCK CO·Filed 2021·Granted Jan 31, 2023·2 cites·19 claims
- 4989US10771975B2Revocation of access credentials for a disconnected locking deviceMASTER LOCK CO·Filed 2018·Granted Sep 8, 2020·7 cites·20 claims
- 5089US9208964B2Lockout deviceMASTER LOCK CO·Filed 2013·Granted Dec 8, 2015·20 cites·21 claims
Showing the top 50 of 443 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →