Assignee
HARROW PRODUCTS INC
US·70 granted patents·1 pending application·3,163 citations·filing 1987–2010
Top patents by PatentIndex Score
71 records- 0199US6286347B1Clutch mechanism with moveable injector retainer wall for door lock systemHARROW PRODUCTS INC·Filed 1999·Granted Sep 11, 2001·168 cites·12 claims
- 0298US6354121B1Mortise lockset with internal clutchHARROW PRODUCTS INC·Filed 2000·Granted Mar 12, 2002·107 cites·17 claims
- 0398US5640863AClutch mechanism for door lock systemHARROW PRODUCTS INC·Filed 1995·Granted Jun 24, 1997·153 cites·26 claims
- 0498USRE35268EDoor security systemHARROW PRODUCTS INC·Filed 1993·Granted Jun 11, 1996·215 cites·38 claims
- 0596US5479151AElectromagnetic door lock with on-board programmable access controlHARROW PRODUCTS INC·Filed 1994·Granted Dec 26, 1995·135 cites·25 claims
- 0695USD335982SCabinet doorHARROW PRODUCTS INC·Filed 1991·Granted Jun 1, 1993·54 cites·1 claims
- 0794US7007526B2Electronic clutch assembly for a lock systemHARROW PRODUCTS INC·Filed 2003·Granted Mar 7, 2006·60 cites·19 claims
- 0893USD405995SBackplate for a bathroom fixtureHARROW PRODUCTS INC·Filed 1997·Granted Feb 23, 1999·48 cites·1 claims
- 0992US6714118B1Modular electronic door security systemHARROW PRODUCTS INC·Filed 2000·Granted Mar 30, 2004·57 cites·20 claims
- 1092US6283447B1Mixing valve with limit stop and pre-setHARROW PRODUCTS INC·Filed 2000·Granted Sep 4, 2001·108 cites·31 claims
- 1191US6543264B2Mortise lockset with internal clutch having override featureHARROW PRODUCTS INC·Filed 2001·Granted Apr 8, 2003·52 cites·20 claims
- 1291US6053546ATrigger system for electromagnetic lockHARROW PRODUCTS INC·Filed 1998·Granted Apr 25, 2000·74 cites·20 claims
- 1391US5608298APrivacy protection for electronic lock systemHARROW PRODUCTS INC·Filed 1995·Granted Mar 4, 1997·80 cites·27 claims
- 1490US6330817B1Anti-jam locking mechanism for electronic security systemHARROW PRODUCTS INC·Filed 2000·Granted Dec 18, 2001·41 cites·20 claims
- 1590US5473236AElectronic lock system for door latch assemblyHARROW PRODUCTS INC·Filed 1994·Granted Dec 5, 1995·67 cites·20 claims
- 1689US6565130B1Dual action latch retractorHARROW PRODUCTS INC·Filed 2001·Granted May 20, 2003·52 cites·14 claims
- 1789US5735559AElectric strikeHARROW PRODUCTS INC·Filed 1996·Granted Apr 7, 1998·69 cites·24 claims
- 1889US4904005AEntrance security systemHARROW PRODUCTS INC·Filed 1988·Granted Feb 27, 1990·59 cites·18 claims
- 1988US6715225B1Illuminated exit barHARROW PRODUCTS INC·Filed 2001·Granted Apr 6, 2004·42 cites·20 claims
- 2088USD409029SPost for a bathroom fixtureHARROW PRODUCTS INC·Filed 1997·Granted May 4, 1999·35 cites·1 claims
- 2187US7918117B2Fastener shield device for locksHARROW PRODUCTS INC·Filed 2010·Granted Apr 5, 2011·12 cites·9 claims
- 2287US6045169ALatch bolt setHARROW PRODUCTS INC·Filed 1997·Granted Apr 4, 2000·64 cites·25 claims
- 2386USD479682SProgrammable door lockHARROW PRODUCTS INC·Filed 2002·Granted Sep 16, 2003·33 cites·1 claims
- 2486US6082791AElectric strikeHARROW PRODUCTS INC·Filed 1998·Granted Jul 4, 2000·68 cites·18 claims
- 2586US5065136ADoor security systemHARROW PRODUCTS INC·Filed 1990·Granted Nov 12, 1991·56 cites·38 claims
- 2685US6076870AMotorized electric strikeHARROW PRODUCTS INC·Filed 1999·Granted Jun 20, 2000·52 cites·20 claims
- 2784US5016929AElectromagnetic shear lockHARROW PRODUCTS INC·Filed 1989·Granted May 21, 1991·42 cites·18 claims
- 2883US6104594AElectromagnetic latch retractor for exit barHARROW PRODUCTS INC·Filed 1999·Granted Aug 15, 2000·57 cites·18 claims
- 2980USD357390SLopping ShearHARROW PRODUCTS INC·Filed 1994·Granted Apr 18, 1995·26 cites·1 claims
- 3080US5064056APackaging systemHARROW PRODUCTS INC·Filed 1990·Granted Nov 12, 1991·73 cites·20 claims
- 3179US6386597B1Dual latch retraction system for exit barHARROW PRODUCTS INC·Filed 1999·Granted May 14, 2002·52 cites·20 claims
- 3277US5923264AMultiple access electronic lock systemHARROW PRODUCTS INC·Filed 1995·Granted Jul 13, 1999·170 cites·17 claims
- 3376US4981312AElectromagnetic shear lockHARROW PRODUCTS INC·Filed 1988·Granted Jan 1, 1991·38 cites·9 claims
- 3474US7019614B2Door security system audit trailHARROW PRODUCTS INC·Filed 2002·Granted Mar 28, 2006·32 cites·18 claims
- 3574US5641187AElectromagnetic shear lockHARROW PRODUCTS INC·Filed 1995·Granted Jun 24, 1997·44 cites·20 claims
- 3674US4893852ADual sensor electromagnetic door lock systemHARROW PRODUCTS INC·Filed 1989·Granted Jan 16, 1990·41 cites·13 claims
- 3773USD324470SPrunerHARROW PRODUCTS INC·Filed 1989·Granted Mar 10, 1992·13 cites·1 claims
- 3872US7501930B2Lock control system with lock-down featureHARROW PRODUCTS INC·Filed 2005·Granted Mar 10, 2009·9 cites·36 claims
- 3971USD361835SKitchen stove hoodHARROW PRODUCTS INC·Filed 1993·Granted Aug 29, 1995·14 cites·1 claims
- 4071US4840411AElectromagnetic shear lockHARROW PRODUCTS INC·Filed 1987·Granted Jun 20, 1989·49 cites·7 claims
- 4170US5517176AEmergency exit bar with dual sensorsHARROW PRODUCTS INC·Filed 1995·Granted May 14, 1996·32 cites·20 claims
- 4270US4957316AArmature for electromagnetic lockHARROW PRODUCTS INC·Filed 1989·Granted Sep 18, 1990·31 cites·8 claims
- 4368US5483747AHand-held tool with hollow handleHARROW PRODUCTS INC·Filed 1994·Granted Jan 16, 1996·24 cites·14 claims
- 4467US5454165AHand-held tool with hollow handleHARROW PRODUCTS INC·Filed 1994·Granted Oct 3, 1995·24 cites·19 claims
- 4565US5496079ASwinging electromagnetic lockHARROW PRODUCTS INC·Filed 1994·Granted Mar 5, 1996·30 cites·20 claims
- 4663US5988708AElectromagnetically managed latching exit barHARROW PRODUCTS INC·Filed 1996·Granted Nov 23, 1999·66 cites·42 claims
- 4763USD390430SHand prunerHARROW PRODUCTS INC·Filed 1997·Granted Feb 10, 1998·14 cites·1 claims
- 4863US5516166AElectromagnetic lockHARROW PRODUCTS INC·Filed 1995·Granted May 14, 1996·27 cites·17 claims
- 4961USD339939SFront panel for a drawerHARROW PRODUCTS INC·Filed 1991·Granted Oct 5, 1993·10 cites·1 claims
- 5057US7065323B2RF dynamic channel switching methodHARROW PRODUCTS INC·Filed 2002·Granted Jun 20, 2006·5 cites·18 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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