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Browse by Category: Main > Tools & Hardware
Class Information
Number: 70/375
Name: Locks > Operating mechanism > Key > Single key > Tumbler type > Cylinder type > Operating elements, parts and adjuncts > Plug
Description: Subject matter relating to specially constructed plugs or plug parts.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8689595 Key and disc tumbler cylinder lock Apr. 8, 2014
8584495 Exchangeable cylinder lock assembly Nov. 19, 2013
8336349 Lock assembly Dec. 25, 2012
8336346 High security moving mass lock system Dec. 25, 2012
8312749 Lock and key mechanism and method of use Nov. 20, 2012
8186193 Lock cylinder structure May. 29, 2012
8146395 Anti-theft lock with plate tumblers Apr. 3, 2012
8127579 Universal lock cylinder Mar. 6, 2012
8091393 Multi-piece plug assembly for a cylinder lock Jan. 10, 2012
8074480 Rekeyable lock cylinder with fool-proof function Dec. 13, 2011
8028554 Electronic cylinder lock apparatus and methods Oct. 4, 2011
7980105 Wafer-type tumbler cylinder Jul. 19, 2011
7905124 Lock with a tool and method of forming the lock Mar. 15, 2011
7895865 Cylinder lock assembly with a tailpiece rotationally coupled to the cylinder plug Mar. 1, 2011
7895866 Multi-piece plug assembly for a cylinder lock Mar. 1, 2011
7762111 Multi-piece plug assembly for a cylinder lock Jul. 27, 2010
7716958 Insert cylinder cabinet cam lock May. 18, 2010
7690231 Electromechanical cylinder lock Apr. 6, 2010
7685853 Pin-a-plug time saving device for re-keying a lock Mar. 30, 2010
7685852 Tool for pin tumbler locks Mar. 30, 2010
7640773 Lock portion with deformable features Jan. 5, 2010
7637131 Electronic cylinder internal key apparatus and method Dec. 29, 2009
7634929 Cylinder core Dec. 22, 2009
7530246 Wafer-type tumbler cylinder and key May. 12, 2009
7428836 Door lock having reinforced strength Sep. 30, 2008
7350382 Turnbuckle lock Apr. 1, 2008
7234330 Lock with an improved configuration Jun. 26, 2007
7194876 Modified lock plug Mar. 27, 2007
7146833 Closing cylinder Dec. 12, 2006
7100408 Front loading lock assembly Sep. 5, 2006
7100409 Burglarproof lock core structure Sep. 5, 2006
7059160 Rotary locking cylinder for a safety lock Jun. 13, 2006
6959567 Lid device of double-sided auxiliary lock Nov. 1, 2005
6935146 Changeable lock assembly Aug. 30, 2005
6925844 Lock having a helical keyway and accompanying key and methods therefor Aug. 9, 2005
6889533 Removable keyless turning mechanism for locks May. 10, 2005
6840073 Lid device of double-sided auxiliary lock Jan. 11, 2005
6698264 Core assembly for a lock Mar. 2, 2004
6679090 Removable core lock with increased rotation Jan. 20, 2004
6668607 Lock core Dec. 30, 2003
6666057 Lock with a fixable key Dec. 23, 2003
6644078 Lock furnished with a replaceable lock core Nov. 11, 2003
6584819 Lock with two layers of lock mechanism Jul. 1, 2003
6550299 Cylinder lock adaptable for different keys Apr. 22, 2003
6532781 Built-in safety device and key for a safety lock Mar. 18, 2003
6532782 Detachable lock core Mar. 18, 2003
6427506 Flat-key lock Aug. 6, 2002
6408662 Locking device with key-operated lock Jun. 25, 2002
6393883 Tubular keyed cam lock with screw attachment May. 28, 2002
6357271 Multi-layer type lock core structure of a cylindrical lock Mar. 19, 2002

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