Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7805967 | Universal 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... | 10/05/2010 |
| 7337636 | Anti-theft device An anti-theft device including a shaft divided into first and second brackets and a locking mechanism. First bracket defines first 300a and second 320a edges, second bracket defines first 300b and second 320b e... | 03/04/2008 |
| 7316138 | Steering lock mechanism A steering lock mechanism that is compact and effectively prevents vehicle theft. The steering lock mechanism includes a steering column for rotatably accommodating a steering shaft. The steering column is sandwiched by a lock body and a bracket, which are fastened ... | 01/08/2008 |
| 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 |
| 7278284 | Lock box for sealed latch assembly A lock box assembly for enclosing and protecting a plastic security seal on the latch assembly of the door on a cargo container or trailer. The lock box includes first and second box members that together form an enclosure for the hasp assembly that holds the seal. ... | 10/09/2007 |
| 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 |
| 7210316 | Door lock for trailers and cargo containers A lock assembly for a hinged door has a pair of hasps that align with each other, each having a hole. A housing with an open back fits over the hasps. A retainer pin extends through an aperture in the housing and through the aligned holes of the hasps. The retainer ... | 05/01/2007 |
| 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 |
| 7134302 | Security device A security device includes a carrier for a tell-tale provision having electro-magnetic characteristics. The device is adapted to be releasably secured to an article to be protected, in particular to the shaft of a golf club, in a tamper-resilient manner and to retai... | 11/14/2006 |
| 7091429 | Privacy keypad A privacy keypad providing privacy for keypad character entry and concealment of a joint in an escutcheon. A privacy keypad may include a faceplate, a keypad disposed on the faceplate, and at least one protrusion integral with the faceplate. An escutcheon for a door... | 08/15/2006 |
| 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 |
| 7017954 | Door latch assembly A latch assembly for a trailer roll up door has a base plate, a handle and hook assembly with a locking flange rotatably mounted to the base plate, a closed keeper to selectively retain the handle in the closed position. The closed keeper is moveably mounted to the ... | 03/28/2006 |
| 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 |
| 6990838 | Skid steer attachment lock A skid steer attachment lock for preventing the theft of a tool attached to a skid steer loader. The device comprises of an extendable hollow shaft having a first and second opposite ends, wherein the first and second opposite ends are open and adapted to respective... | 01/31/2006 |
| 6976375 | Door latch with adjustable latch element A door latch includes pan or attachment to a flat surface of a door adjacent a door frame; an actuation subassembly which includes a handle on one side of the pan, a turn cam on an opposite side of the pan and a handle shaft which connects the handle with the turn c... | 12/20/2005 |
| 6962066 | Locking arrangement for a door A locking arrangement serving for locking a door hinged on a casing on e.g. a container by a combination or key lock. The locking arrangement comprises a rotatable closing rod for keeping the door closed by engaging the casing in a closed position; a fitting having ... | 11/08/2005 |
| 6860128 | Anti-theft clamp for a motor cycle hand brake lever A clamp for preventing theft of a motor cycle, by disabling operation of a handlebar brake lever comprises: a pair of jaws connected together at a pivot so as to be movable between an open and a closed condition, the jaws providing when in the closed condition, firs... | 03/01/2005 |
| 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 |
| 6725695 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel. ... | 04/27/2004 |
| 6725694 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel. ... | 04/27/2004 |
| 6606888 | Lock structure for ammonia nurse tank valve units An anti-pilfer lock device is provided for protecting against unauthorized access to the flow control valve units projecting from the outer surface of a mobile ammonia nurse tank. A box-shaped housing is sized and configured to be removably mounted on the... | 08/19/2003 |
| 6581425 | Sliding member securing mechanism for a container This invention pertains to a mechanism for securing a container. The container includes at least one wall, which is comprised of at least a first door. The mechanism includes a first rod, which is attached with the outer surface of the first door. The fir... | 06/24/2003 |
| 6560999 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel.... | 05/13/2003 |
| 6553798 | Door block for container A door block (9) serving for blocking a door (2), which is side-hinged on a casing (3) around an opening in a container wall, against being opened by unauthorized persons. The door block comprises a rotatable closing rod (5), a handle (6) on the closing r... | 04/29/2003 |
| 6550297 | Automobile steering wheel lock with alarm function An automobile steering wheel lock with alarm function in the invention has a locking means combined in a lock housing of a lock body and comprising a sleeve, several core plates, two actuating rods, a driving member, a shell, a moving member and an alarm ... | 04/22/2003 |
| 6546765 | L-handle with safety lock feature A bellcore-style latch with a safety lock feature, having a handle with a shank. The shank has an axial bore, with side apertures extending through the shank into the bore. A lock plug is positioned in the bore of the handle, and has a head and a shaft. T... | 04/15/2003 |
| 6543263 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel.... | 04/08/2003 |
| 6527312 | Shipping container seal A seal for a container. The seal is banana-shaped and is inserted over a container handle to make it impossible to move the handle without breaking the seal.... | 03/04/2003 |
| 6502437 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel.... | 01/07/2003 |
| 6490897 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel.... | 12/10/2002 |
| 6484542 | Door handle lock A door handle lock (20) for hinged lever-style door handles (10) adapted for mounting on a portion of a hinged lever-style door handle (10) and overlapping a portion of a door handle housing (12), the door handle housing (12), with a hinged lever-style do... | 11/26/2002 |
| 6484543 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel.... | 11/26/2002 |
| 6477874 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel.... | 11/12/2002 |
| 6460385 | Column lock device A heavy duty steering wheel securing anti-theft device. Embodiments are described herein that also protect any air bag contained in the steering wheel.... | 10/08/2002 |
| 6442982 | Locking device A locking device (10) is serving for, with a lock (18), locking an already closed door (4) which is mounted with hinges (6) on a frame (5) in a gable (3) of a container (1). The door is held in the closed position by a turnable locking bar (7) which, at l... | 09/03/2002 |
| 6434982 | Lock for tractor trailer landing gear A lock for securing a lowered or non-lowered landing gear of a tractor trailer comprising two hinged interlocking halves secured by a keyed locking cylinder which has a pin intersecting apertures in flanges of the halves.... | 08/20/2002 |
| 6357266 | Latch cover A latch cover is secured over a latch to be protected by the lock which locks the latch, and the latch cover restricts access to the latch to reduce the chance of tampering with the latch. The latch cover includes a cover plate sized to cover a substantia... | 03/19/2002 |
| 6332344 | Deadbolt security chain A security device which is mounted on a door adjacent a deadbolt lock. The security device is a chain which will have a link with a ring at one end which is passed around the knob on the deadbolt to prevent the deadbolt knob from being turned and, therefo... | 12/25/2001 |
