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| Number | Title | Issue Date |
| 7918116 | Deadbolt lock knob restrictor A deadbolt knob restrictor used to prevent the rotation of the inside knob on the deadbolt lock. The restrictor includes a ring member designed to fit between the cover plate located on the inside surface of the door. Attached to the ring member are two perpendicula... | 04/05/2011 |
| 7441431 | High security pin tumbler lock A pin tumbler lock of a first embodiment includes a shell containing top pins; and a plug, rotatable within the shell, containing standard bottom pins, and a shorter bottom pin, set back from the face of the plug. A tubular key has bitings corresponding to the stand... | 10/28/2008 |
| 7423515 | FPALM II fingerprint authentication lock mechanism II In an embodiment, a lock mechanism has a lock shaft, a motor, and a lock cylinder, wherein the motor rotates a cog that moves the lock cylinder into and out of the lock shaft. The lock cylinder is oriented concentric to an axis about which the lock cylinder rotates.... | 09/09/2008 |
| 7418847 | Compact folding deadbolt restrictor An apparatus for preventing a deadbolt lock from being opened from the outside of a door with a key. The base is constructed from resilient material, the base defining at least one aperture for receiving one of a plurality of types of finger actuator in one of a plu... | 09/02/2008 |
| 7334824 | Door lever lock A child safety lock for a lever door handle is rotatably mounted on a first side of a door and is biased in a first position. The child safety lock has a holder adapted to engage the door handle so that rotating the door handle rotates the holder. A cover is pivotal... | 02/26/2008 |
| 7284400 | Deadbolt lock knob immobilizer Apparatus is simply hung on a deadbolt knob when the deadbolt is in locked position. It prevents the deadbolt knob from rotating enough to retract the deadbolt. This ensures that the door cannot be unlocked from the outside. A passage in an upper end of the apparatu... | 10/23/2007 |
| 7281401 | Protective sleeve for latch mechanism for lock A protective sleeve for a lock includes a circumferential wall delimiting a longitudinal through-hole. The circumferential wall includes at least one longitudinal slot, forming at least one shielding skirt for shielding a housing of a latch mechanism of a lock that ... | 10/16/2007 |
| 7264285 | Deadbolt safety latch A dead-bolt lock safety latch for preventing unauthorized unlocking of a dead-bolt lock with a key or lock picking tools provides a spring biased body having two legs, each leg having a leg extension, and carrying an elongate handle to provide mechanical leverage to... | 09/04/2007 |
| 7216903 | Deadbolt security device This is a device, which will be inserted over the doorknob and behind a deadbolt. It will prevent a deadbolt from turning in the event that someone with a key tries to enter the home or business while the space as being occupied. This device is not meant to function... | 05/15/2007 |
| 7210320 | Lock guard system A lock guard system for efficiently securing a dead bolt lock mechanism from outside access. The lock guard system includes a stop member comprised of a base including an upper slot and a plate that includes a lower slot for receiving a sleeve and fastener. The stop... | 05/01/2007 |
| 7207199 | Dead locking deadbolt A deadbolt mechanism including a lock out mechanism that functions to disable the operation of the deadbolt from at least one side of the deadbolt mechanism. The deadbolt mechanism includes a deadbolt, key cylinder, housing, turn knob and a shaft that connects the k... | 04/24/2007 |
| 7175213 | Handle rotation restraint and method A handle rotation restraint and method includes a tether that has an upper end and a lower end. A coupler is attached to the upper end of the tether. The coupler is adapted for removably attaching the upper end to an upper edge of a door having a handle coupled ther... | 02/13/2007 |
| 7165793 | Door jamb security plate A reinforcing plate comprising an elongated portion adapted to be secured to a door jamb; a plurality of tabs perpendicular to the door jamb and adapted to be secured to one or more studs adjacent the door jamb; and an L-shaped connecting portion between each tab an... | 01/23/2007 |
| 7155947 | Locking control knob A control knob having a locking mechanism that can be pressure-activated and controlled from the outside by the operator. When activated, the locking mechanism engages a structure on which the knob is mounted, preventing the rotation of the knob. The locking mechani... | 01/02/2007 |
| 7144052 | Deadbolt security system This is a device, which will be inserted over the doorknob and behind a dead bolt. It will prevent a dead bolt from turning in the event that someone with a key tries to enter the home or business while the space is being occupied. ... | 12/05/2006 |
| 7134699 | Locking rotary latch The present invention is a rotary locking latch assembly including a rotary handle carrying a rotary latch bolt. The rotary handle is biased in a neutral, locked orientation that positions the bolt in engagement with a latch strike secured to a door jam, retaining t... | 11/14/2006 |
| 7121531 | Gate with lock housing A gate assembly with moving gate members with one pivoting end and a moving end. This moving end includes upper and lower tubular members that receive the ends of a protruding reinforcement member mounted to a housing for the locking hardware. The ends of the protru... | 10/17/2006 |
| 7107799 | Ball hitch locking device A trailer hitch locking device for securing a trailer having a ball type hitch includes a rigid U-shaped frame member having a central lower mounting member, an upper pin shield, a locking pin having a flattened locking end, a shaft and a pin head, the locking end e... | 09/19/2006 |
| 7084766 | Article surveillance tag having a metal clip An electronic article surveillance (EAS) tag 20 having a metal attaching member 34 located therein and adapted to securely and releasably receive a shaft 52 of a pin therein, whereby a predetermined arcuate probe is inserted through an opening a... | 08/01/2006 |
| 7073357 | Handle lock A handle lock is configured for use with a trailer door latch handle. The handle lock is configured to be coupled to the trailer door. The handle lock is used to lock the handle to lock the trailer door in a closed position and to unlock the handle to allow unlatchi... | 07/11/2006 |
| 7048315 | Lock for lever-handled door latch A door lock is provided for use with a door handle having a lever movable about a shaft extending perpendicularly to the lever and connected to a latch mechanism which controls the opening and closing of a door. The lock includes a housing configured to be coupled t... | 05/23/2006 |
| 7003994 | Lock enhancing device A lock enhancing device for a key comprising a lock core having a cylindrical core body with a first retaining groove formed on a rear core end and a lock sleeve having with a rear housing end comprises an axial movement stopper formed as a C-shaped ring having an i... | 02/28/2006 |
| 7000955 | Portable casement window securing device A compact, portable device for effectively locking a crank window in a user selected position. The body of the device can be selectively secured to or released from a window crank. When secured to the window crank, the device limits rotation of the crank by mechanic... | 02/21/2006 |
| 6993944 | Dead bolt lock A dead bolt lock having a slot or slots for insertion on a dead bolt and legs for spanning the underlying door knob of a door to secure the dead bolt. In an adjustable embodiment the dead bolt lock includes a lock housing having a circular rim and downwardly-extendi... | 02/07/2006 |
| 6976716 | Portable door lock A portable door lock includes a stop member and a connection plate, wherein the stop member has a slot defined therethrough and a rod is movably engaged with the slot. The stop member has two flat sides and one of which is to be contact an inside of a door. The conn... | 12/20/2005 |
| 6971322 | Protective enclosure Protective enclosure having at least one anti-pry apparatus. The at least one anti-pry apparatus prevents an unauthorized operator from prying open a door panel from at least one of its sides. ... | 12/06/2005 |
| 6948345 | Lock enhancement arrangement A lock enhancement arrangement for protecting a cylinder lock, from being damaged by an axial tension is disclosed. The lock enhancement arrangement comprises a lock body having a lock channel defining an axial lock cavity and an axial reinforcing cavity, a lock uni... | 09/27/2005 |
| 6950033 | Door bolt alarm A system for determining the position of a bolt in a door including a locking mechanism for moving the bolt between a first locked position wherein the door is secured in position within a door frame and a second unlocked position wherein the door is moveable within... | 09/27/2005 |
| 6941778 | Lock A lock for a door (10) comprises a casing (11), a bolt (55) operable to extend from or retract into the casing, a pivoted operating handle (36) operable at one side of the door to retract the bolt, lock means (28) for key operation... | 09/13/2005 |
| 6929292 | Lever lock system A lever lock system has a lever handle with a shaft and arm and a securing mechanism. The shaft passes through an aperture in a mounting plate coupled to a door. A support member has a closed rear face, an open front face and an internal region with a hollow cylinde... | 08/16/2005 |
| 6918273 | Lock A lock for a door comprises a casing, a bolt operable to extend from or retract into the casing, a pivoted operating handle operable at one side of the door to retract the bolt, lock means for key operation at the other side of the door, and blocking means to preven... | 07/19/2005 |
| 6912882 | Door locking system A door locking system for precluding the picking of a lock comprises a door. The door has an outside, an inside and a facing surface. A bolt is mounted in the door. The bolt is adapted to slide between an unlocked orientation and a locked orientation. The bolt is fo... | 07/05/2005 |
| 6910357 | Tamper proof locking device A lock includes a lock housing (3), a bolt (20) which is moveable in the lock housing between an inwardly withdrawn and an outwardly extended position and which includes a weakened region (36). The lock also includes a blocking element (5... | 06/28/2005 |
| 6895792 | Electronic locking system In a first aspect, an electronic lock (12) suitable for replacing interchangeable core locks has a solenoid assembly comprising a solenoid coil (280) and a plunger (290) longitudinally aligned parallel to the rotational axis (A) of the cylinder ... | 05/24/2005 |
| 6880376 | Anti-twist key lock with changeable locking device This invention relates to an anti-twist key lock with changeable locking device, the anti-twist key lock having a key lock case, on the circumference of the key lock case having a slit and an opposite inner groove. A locking tumbler set is installed in the key lock ... | 04/19/2005 |
| 6880374 | Steering lock device In a steering lock device wherein engagement and disengagement of a lock pin to and from a steering shaft can be selected by the rotation of a rotor, the steering lock device comprises: interlocking structure provided between a cylinder body and a joint so that when... | 04/19/2005 |
| 6813916 | Remote control lock structure A remote control lock structure. The lock structure includes a receiving box, a locking member, a transmission mechanism, an electric circuit element and a cover. The locking member is placed in the receiving space aligned with a screw hole of a positioning block wi... | 11/09/2004 |
| 6769278 | Anti-burglar device of a door locker An anti-burglar device of a door locker is disclosed. The locker comprises a rotating button, a rotating shaft body, and an external gear, the rotating shaft body being fixed to the rotating shaft body having one end mounted to the external gear, the other end of th... | 08/03/2004 |
| 6755053 | Security cover for a coin-operated car wash machine A security cover for a coin-operated car wash machine is rectangular and slides over a car wash machine. It has a partial front panel that covers the coin drawer of the car wash machine. A bar extends through the machine and through a slot in each of the side panels... | 06/29/2004 |
| 6742369 | Auxiliary door lock An auxiliary door lock for a dead bolt lock includes a relatively flat rectangular housing for mounting on a door over the interior operating knob of the dead bolt lock; and an actuator slidable and rotatable in an opening in a front wall of the housing. The actuato... | 06/01/2004 |
