Assignee
BEST LOCK CORP
136 granted patents·2,503 citations·filing 1974–2001
Top patents by PatentIndex Score
136 records- 0198USD289369SLever handle or similar articleBEST LOCK CORP·Filed 1984·Granted Apr 21, 1987·60 cites·1 claims
- 0295US6442986B1Electronic token and lock coreBEST LOCK CORP·Filed 1999·Granted Sep 3, 2002·89 cites·52 claims
- 0394US4773240ALock with force-override assemblyBEST LOCK CORP·Filed 1986·Granted Sep 27, 1988·80 cites·23 claims
- 0493US5474348AMotorized actuator for mortise locksetBEST LOCK CORP·Filed 1993·Granted Dec 12, 1995·117 cites·45 claims
- 0593US4428212ACylinder lock retractor and chassis assemblyBEST LOCK CORP·Filed 1981·Granted Jan 31, 1984·65 cites·20 claims
- 0693US4389061AMortise lock with improved deadlock release mechanismBEST LOCK CORP·Filed 1981·Granted Jun 21, 1983·68 cites·15 claims
- 0792US3955387ACylindrical lock setBEST LOCK CORP·Filed 1974·Granted May 11, 1976·67 cites·29 claims
- 0891US6684671B2Vending machine lockBEST LOCK CORP·Filed 2001·Granted Feb 3, 2004·56 cites·47 claims
- 0991US5421178AMotorized lock actuator for cylindrical locksetBEST LOCK CORP·Filed 1993·Granted Jun 6, 1995·123 cites·50 claims
- 1089US4386510AKey-changeable lock coreBEST LOCK CORP·Filed 1981·Granted Jun 7, 1983·48 cites·12 claims
- 1188USD328856SPortion of a key blade blankBEST LOCK CORP·Filed 1991·Granted Aug 25, 1992·31 cites·1 claims
- 1288US4667994AFrangible spindleBEST LOCK CORP·Filed 1986·Granted May 26, 1987·56 cites·19 claims
- 1388US4424693AKey-removable lock coreBEST LOCK CORP·Filed 1980·Granted Jan 10, 1984·48 cites·4 claims
- 1487US4998422ARemovable core padlock with bolt retainerBEST LOCK CORP·Filed 1989·Granted Mar 12, 1991·51 cites·38 claims
- 1585US4726613AFire safety door latchBEST LOCK CORP·Filed 1986·Granted Feb 23, 1988·44 cites·21 claims
- 1685US4589691ALever handle mortise lockBEST LOCK CORP·Filed 1984·Granted May 20, 1986·49 cites·18 claims
- 1784US4995249ADoor handle assembly with hollow knob and interchangeable lock coreBEST LOCK CORP·Filed 1989·Granted Feb 26, 1991·56 cites·24 claims
- 1884US4655059ALever handleBEST LOCK CORP·Filed 1983·Granted Apr 7, 1987·42 cites·21 claims
- 1984US4550581ABreak-away knob driverBEST LOCK CORP·Filed 1983·Granted Nov 5, 1985·37 cites·20 claims
- 2084US4195504AMortise lock adaptation to key-removable coresBEST LOCK CORP·Filed 1978·Granted Apr 1, 1980·39 cites·17 claims
- 2183US4424691APull-resistant cylinder lockBEST LOCK CORP·Filed 1982·Granted Jan 10, 1984·42 cites·11 claims
- 2283US4394821ADoor lock mechanismBEST LOCK CORP·Filed 1981·Granted Jul 26, 1983·36 cites·36 claims
- 2381US4998760ADoor handle return assemblyBEST LOCK CORP·Filed 1989·Granted Mar 12, 1991·57 cites·25 claims
- 2481US4444034APull-resistant lock coreBEST LOCK CORP·Filed 1981·Granted Apr 24, 1984·40 cites·23 claims
- 2581US4294093APin tumbler lock with pull-resistant key plugBEST LOCK CORP·Filed 1979·Granted Oct 13, 1981·33 cites·14 claims
- 2679US5794472ADisconnecting drive mechanism for cylindrical locksetBEST LOCK CORP·Filed 1995·Granted Aug 18, 1998·85 cites·14 claims
- 2779US4873853AEscutcheon assemblyBEST LOCK CORP·Filed 1989·Granted Oct 17, 1989·37 cites·6 claims
- 2879US4843852ADisposable construction coreBEST LOCK CORP·Filed 1988·Granted Jul 4, 1989·35 cites·17 claims
- 2978US5931430AMotor assembly for cylindrical locksetBEST LOCK CORP·Filed 1996·Granted Aug 3, 1999·40 cites·56 claims
- 3078USD301116SBar lock assemblyBEST LOCK CORP·Filed 1987·Granted May 16, 1989·18 cites·1 claims
- 3178US4655063APick-resistant coreBEST LOCK CORP·Filed 1985·Granted Apr 7, 1987·38 cites·18 claims
- 3278US4572556AMortise lockBEST LOCK CORP·Filed 1983·Granted Feb 25, 1986·29 cites·10 claims
- 3376US4768360ALock for sliding doors or panelsBEST LOCK CORP·Filed 1987·Granted Sep 6, 1988·31 cites·4 claims
- 3475US4437695AKnob retainer blocker mechanismBEST LOCK CORP·Filed 1982·Granted Mar 20, 1984·31 cites·13 claims
- 3574US4195502ABreak-away door knobBEST LOCK CORP·Filed 1978·Granted Apr 1, 1980·28 cites·10 claims
- 3673US4435967ADoorknobBEST LOCK CORP·Filed 1982·Granted Mar 13, 1984·20 cites·10 claims
- 3773US4342478AKnob-connector springBEST LOCK CORP·Filed 1980·Granted Aug 3, 1982·25 cites·16 claims
- 3872US4836001AHigh security lockBEST LOCK CORP·Filed 1987·Granted Jun 6, 1989·32 cites·11 claims
- 3971US5590555AAnti-rotation mechanism for lockset chassisBEST LOCK CORP·Filed 1995·Granted Jan 7, 1997·34 cites·25 claims
- 4071US5010755ALock with torque-release meansBEST LOCK CORP·Filed 1989·Granted Apr 30, 1991·30 cites·3 claims
- 4169US5116170ADrill jig for preparing a door to receive a cylindrical lockBEST LOCK CORP·Filed 1991·Granted May 26, 1992·36 cites·18 claims
- 4269US4633690ACylinder anchorBEST LOCK CORP·Filed 1985·Granted Jan 6, 1987·24 cites·14 claims
- 4369US4428570ATool-loadable biasing springBEST LOCK CORP·Filed 1981·Granted Jan 31, 1984·27 cites·16 claims
- 4468USD290085SKey blankBEST LOCK CORP·Filed 1985·Granted Jun 2, 1987·11 cites·1 claims
- 4566US5291767AProtective lock cylinder mounting assemblyBEST LOCK CORP·Filed 1992·Granted Mar 8, 1994·43 cites·22 claims
- 4666US4301667ATubular latch bolt retracting mechanismBEST LOCK CORP·Filed 1980·Granted Nov 24, 1981·23 cites·8 claims
- 4764US4496178AExtended latch tube assemblyBEST LOCK CORP·Filed 1982·Granted Jan 29, 1985·22 cites·24 claims
- 4863US4313320ARim lock with classroom functionBEST LOCK CORP·Filed 1978·Granted Feb 2, 1982·19 cites·9 claims
- 4961USD256429SRim lockBEST LOCK CORP·Filed 1978·Granted Aug 19, 1980·6 cites·1 claims
- 5059US4722204ASliding door lockBEST LOCK CORP·Filed 1986·Granted Feb 2, 1988·17 cites·11 claims
Showing the top 50 of 136 patent records by PatentIndex Score.
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