Inventor

FROLOV GEORGE

US58 patents

⚠️ This page may combine multiple inventors who share the name “FROLOV GEORGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HARROW PRODUCTS INC

35 patents

US6286347B1Sep 11, 2001

Clutch mechanism with moveable injector retainer wall for door lock system

HARROW PRODUCTS INC168 citations99

US5640863AJun 24, 1997

Clutch mechanism for door lock system

HARROW PRODUCTS INC153 citations99

US6354121B1Mar 12, 2002

Mortise lockset with internal clutch

HARROW PRODUCTS INC107 citations98

USRE35268EJun 11, 1996

Door security system

HARROW PRODUCTS INC215 citations98

US6714118B1Mar 30, 2004

Modular electronic door security system

HARROW PRODUCTS INC57 citations96

US6104594AAug 15, 2000

Electromagnetic latch retractor for exit bar

HARROW PRODUCTS INC57 citations96

US6053546AApr 25, 2000

Trigger system for electromagnetic lock

HARROW PRODUCTS INC74 citations96

US6045169AApr 4, 2000

Latch bolt set

HARROW PRODUCTS INC64 citations96

US5735559AApr 7, 1998

Electric strike

HARROW PRODUCTS INC69 citations96

US5608298AMar 4, 1997

Privacy protection for electronic lock system

HARROW PRODUCTS INC80 citations96

US5473236ADec 5, 1995

Electronic lock system for door latch assembly

HARROW PRODUCTS INC67 citations96

US4904005AFeb 27, 1990

Entrance security system

HARROW PRODUCTS INC59 citations96

US5988708ANov 23, 1999

Electromagnetically managed latching exit bar

HARROW PRODUCTS INC66 citations95

US5065136ANov 12, 1991

Door security system

HARROW PRODUCTS INC56 citations95

US7007526B2Mar 7, 2006

Electronic clutch assembly for a lock system

HARROW PRODUCTS INC60 citations94

US6543264B2Apr 8, 2003

Mortise lockset with internal clutch having override feature

HARROW PRODUCTS INC52 citations93

US6330817B1Dec 18, 2001

Anti-jam locking mechanism for electronic security system

HARROW PRODUCTS INC41 citations93

US6076870AJun 20, 2000

Motorized electric strike

HARROW PRODUCTS INC52 citations93

US5897149AApr 27, 1999

Armature assembly for multiple locks

HARROW PRODUCTS INC21 citations93

US5641187AJun 24, 1997

Electromagnetic shear lock

HARROW PRODUCTS INC44 citations93

US5496079AMar 5, 1996

Swinging electromagnetic lock

HARROW PRODUCTS INC30 citations93

US5016929AMay 21, 1991

Electromagnetic shear lock

HARROW PRODUCTS INC42 citations93

US4981312AJan 1, 1991

Electromagnetic shear lock

HARROW PRODUCTS INC38 citations93

US4957316ASep 18, 1990

Armature for electromagnetic lock

HARROW PRODUCTS INC31 citations93

USD479682SSep 16, 2003

Programmable door lock

HARROW PRODUCTS INC33 citations92

US5823582AOct 20, 1998

Electromagnetically-managed latching exit bar

HARROW PRODUCTS INC40 citations92

US6715225B1Apr 6, 2004

Illuminated exit bar

HARROW PRODUCTS INC42 citations91

US6082791AJul 4, 2000

Electric strike

HARROW PRODUCTS INC68 citations91

US5517176AMay 14, 1996

Emergency exit bar with dual sensors

HARROW PRODUCTS INC32 citations89

US5611582AMar 18, 1997

Impact resistant armature

HARROW PRODUCTS INC27 citations88

US6390514B1May 21, 2002

Exit door latch assembly

HARROW PRODUCTS INC15 citations84

US5933067AAug 3, 1999

Universal solenoid actuator

HARROW PRODUCTS INC18 citations84

US7918117B2Apr 5, 2011

Fastener shield device for locks

HARROW PRODUCTS INC12 citations82

US7501930B2Mar 10, 2009

Lock control system with lock-down feature

HARROW PRODUCTS INC9 citations82

US5815084ASep 29, 1998

Programmer for contact readable electronic control system and programming method therefor

HARROW PRODUCTS INC12 citations74

HARROW PRODUCTS LLC

8 patents

USD553953SOct 30, 2007

Deadbolt escutcheon

HARROW PRODUCTS LLC66 citations97

USD552968SOct 16, 2007

Deadbolt escutcheon

HARROW PRODUCTS LLC54 citations95

USD552967SOct 16, 2007

Lock escutcheon

HARROW PRODUCTS LLC54 citations95

US6876293B2Apr 5, 2005

Multiple access electronic lock system

HARROW PRODUCTS LLC66 citations94

US7872577B2Jan 18, 2011

Lock input device for a security system

HARROW PRODUCTS LLC33 citations93

USD552966SOct 16, 2007

Lock escutcheon

HARROW PRODUCTS LLC44 citations92

USD552964SOct 16, 2007

Keypad for a deadbolt escutcheon

HARROW PRODUCTS LLC27 citations92

US7757524B2Jul 20, 2010

Fastener shield device for locks

HARROW PRODUCTS LLC9 citations82

EMHART IND

2 patents

US4783882ANov 15, 1988

Door closer assembly

EMHART IND63 citations96

US4843851AJul 4, 1989

Locking mechanism for multifunctional electronic lock

EMHART IND39 citations93

FROLOV GEORGE

2 patents

US8555685B2Oct 15, 2013

Electrically controlled door lock

FROLOV GEORGE40 citations93

US8931315B2Jan 13, 2015

Electronic deadbolt lock

FROLOV GEORGE27 citations90

SCHLAGE LOCK CO LLC

2 patents

US9803394B2Oct 31, 2017

Electronic deadbolt lock

SCHLAGE LOCK CO LLC12 citations91

US10174524B2Jan 8, 2019

Electronic deadbolt lock

SCHLAGE LOCK CO LLC6 citations82

SCHLAGE LOCK CO

1 patent

US8353189B2Jan 15, 2013

Manual override mechanism for electromechanical locks

SCHLAGE LOCK CO23 citations92

Showing the top 50 of 58 patents by PatentIndex Score.