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 |
| 7836736 | Lock mechanism A lock mechanism to lock two parts relative to each other. The lock mechanism comprises a base plate (30) attachable to one said parts with a pivot pin (26) connected thereto, a keep (38) being defined in the pivot pin. A lock body (24) i... | 11/23/2010 |
| 7437900 | Externally releasable security bar system An externally releasable security bar system for mounting on an inside surface of an inwardly swinging door and engaging a floor surface to prevent unauthorized entry through the door is provided. The system may include a mounting plate, a bracing arm, a release pin... | 10/21/2008 |
| 7370890 | Storage cabinet with locking system having dual release members A storage cabinet comprises: a container having a floor, upright side walls and a rear wall attached to and extending upwardly from the floor, and a ceiling attached to the side walls and rear wall, the floor, side walls, rear wall, and ceiling defining a storage ca... | 05/13/2008 |
| 7278185 | Restricting device The invention provides a restricting device for a closure including a vent hingedly connected to a frame, the restricting device comprising a plate (1,4) for mounting on a frame, an arm (7) for pivotally mounting on a vent and means for releasably inte... | 10/09/2007 |
| 7267324 | Ranch fence An interlocking steel fencing system having posts and rails made from tubular steel, the posts and rails being either round or rectangular in shape, the posts having openings therein which correspond with the shape of a rail designed to be inserted therein, the end ... | 09/11/2007 |
| 7249476 | Method and apparatus for locking a container A method and apparatus for locking a container. The present disclosure relates to a lock mechanism which comprises a latch assembly having a rod and an extension including a latch aperture, wherein the extension extends from the rod to position the latch aperture aw... | 07/31/2007 |
| 7227465 | Security bar with fiber optic cable based security monitoring A security bar providing improved security from breach is obtained with the use of a fiber optic cable longitudinally inserted in a hollowed out cavity thereof. Monitoring of the security bar to identify attempts at breach thereof may be achieved by connecting an op... | 06/05/2007 |
| 7216902 | Portable door lock A portable door lock with a strike plate, a bolt, and a magnet is disclosed. The strike plate has a boss that fits into the recess of a door frame, and has at least one aperture for accommodating the bolt. The strike plate may also have a handle for gripping by the ... | 05/15/2007 |
| 7201030 | Gate lock device A gate lock device with front and rear units to be mounted on opposite sides of a structure associated with the gate and against which the gate closes. A gravity latch, displaceably mounted in the housing of the front unit, is engageable with a keeper pin. The front... | 04/10/2007 |
| 7195294 | Door brace An anchor bracket is positional on a ground surface interior of the door opposite the base. An anchor bracket and the base lie along a horizontal plane. A bar extending across the door is pivotal about an axis extending parallel to a ground surface. Such a bar inclu... | 03/27/2007 |
| 7143545 | Security bar with multiple internal rolling bars and electronic monitoring A security bar providing improved security from breach is obtained with the use of a plurality of free rolling inner bars. Illustratively, three inner rolling bars, arranged in a triangular relationship, are provided inside a cylindrically hollowed out outer bar, th... | 12/05/2006 |
| 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 |
| 7021678 | Four position gate latch assembly A four position gate latch (20) that is used to fasten and lock a gate. The gate latch includes a self fastening gravity gate latch (22) that is fastened to one face of the gate. A gate latch bracket (28) is fastened to the gate on an opposed fa... | 04/04/2006 |
| 7000440 | Rotary security system A plurality of separately keyed padlocks, ranging in number from 7 to 150 or more, are securely held within a circular assembly that is rotated for selection of a specific padlock. This assembly of locks can be placed at a level for easy reach from a car window. Vis... | 02/21/2006 |
| 6978644 | Locking mechanism for handcuffs A solenoid operated mechanical mechanism for controlling the rotation of a gear comprising the use of a first linear element which moves in response to an electrical current to cause the rotation of a cam which, in turn, causes the movement of a second linear elemen... | 12/27/2005 |
| 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 |
| 6923127 | Anti-prying device for use with a safe An anti-prying device for limiting thefts caused by prying a safe from its anchorings. The anti-prying device including a member which is extended between a safe protrusion and a floor. The anti-prying device limits access between the floor and the safe protrusion t... | 08/02/2005 |
| 6923028 | Locking system for a door A security locking system for trailers that features an interior locking bar that is controlled from the outside. The locking bar is traversed in a linear motion parallel to the door by a toggle mechanism. The bar is guided into the locking mechanism by two guides m... | 08/02/2005 |
| 6539674 | Work bench-tornado safe room A tabletop high relocateable shelter for protecting individuals from dangerous conditions such as hurricanes, tornadoes and the like, that can withstand winds of approximately 450 mph. The shelter can be attached and detached from a concrete foundation. A... | 04/01/2003 |
| 6530247 | External door lock mechanism invention A portable door security mechanism which allows an existing door to be temporarily secured from the non-hinged side of the door without destruction or penetration of the door, the door frame or any existing components of the door, is disclosed. The device... | 03/11/2003 |
| 6513351 | Gate latch A gravity latch for a gate has a front unit having a key operated lock accessible from its front face and a latching tongue mounted in a housing and adapted to capture and retain a striker pin for use with the latch and mounted on a gate, the front unit h... | 02/04/2003 |
| 6481252 | Security lock A security locking system that includes a cross bar pivotally connected at one end in a manner to pivot in two planes, a locking brace connected to a door frame at an opposite point from the point of the pivoting connection of the cross bar in a locking b... | 11/19/2002 |
| 6449994 | Doorlock for an all-glass door with fixed glass side panel A door lock for an all-glass door with an adjacent fixed glass side panel. In this case, the door lock is attached through a boring contained in the all-glass door and basically presents a dead bolt, a latch bolt and a follower. Furthermore, a lock strike... | 09/17/2002 |
| 6349573 | Vehicle anti-theft device A vehicle anti-theft device includes a frame for securing over a vehicle door. The frame includes one or more support legs each having an upper arm slidably mounted thereon for securing between the top of the vehicle window frame and the vehicle roof. The... | 02/26/2002 |
| 6247341 | Lock for sliding door, window or like closure In a lock for sliding door, window or like closure the slider has on its face adjacent the outside wall of the casing a member projecting a predetermined distance which projects through the slot in the locked position of the slider and abuts against the e... | 06/19/2001 |
| 5873273 | Door lock device An apparatus for preventing a door from opening. The apparatus preferably comprises a pair of anchors which are mounted to a floor. The anchors are located beyond both edges of the door on the side toward which the door opens. Each of the anchors has a sl... | 02/23/1999 |
| 5791173 | Key-actuated security bar for a door An improved security system for a door that opens inwardly or outwardly, that includes a bar having on one side of the door jamb a U-shaped bracket for locking the bar across the door, preventing its movement inwardly, a double hinge joint on the opposite... | 08/11/1998 |
| 5765411 | Fence lock A security bar that can be retrofitted onto a gate used in a typical fence construction to prevent unauthorized tampering with or opening of the gate. The device includes a rigid locking bar that is firmly mounted to the gate, a T-shaped strike plate, and... | 06/16/1998 |
| 5447046 | Security bar A security bar 14 for securing a door 2 hinged at one side of a door 2, the security bar 14 being hinged to the door surround 4 at the same side as the door 2 is hinged thereto and extending across the door surround 4 so as to be lockable with a locking d... | 09/05/1995 |
| 5419165 | Electrical panel locking apparatus An electrical panel locking apparatus includes first and second elongated angle iron bars having panel gripping hooks on one end of each elongated bar. One of the elongated bars has a flanged end portion with an angled slot therethrough for sliding the ot... | 05/30/1995 |
| 5388435 | Lock To prevent the unauthorized unlocking of van doors equipped with safety rod locks, the lever of the safety rod lock is held to the door by a retainer clip. The retainer clip has an extending tongue with apertures in it that passes through the door into th... | 02/14/1995 |
| 5299437 | Keyed door lock assembly A lock assembly is described for a door, the assembly including a gib having at least one flange. A locking unit has a first wall including an edge portion on the wall for sliding into the gib and for engaging the flange on the gib such that the locking u... | 04/05/1994 |
| 5291760 | Lock for doors A portable lock for doors, intended for use at hospitals, nursing homes, or other institutions, whose rooms do not have a lock when they are occupied by patients or other occupants. The lock has a unitary plate upon which is mounted a clamping mechanism f... | 03/08/1994 |
| 5265454 | Combined lock and latch A combined lock and latch for use with an exterior compartment door on a recreational vehicle has a cylindrical barrel and a rotatable plug mounted within an axial opening formed in the barrel. A number of spring-biased, key retractable tumblers extend th... | 11/30/1993 |
| 4558880 | Coupling member The present invention relates to a coupling member which comprises a first slotted member and a second key member, wherein the second key member is arranged to be inserted in to the slot of the first member and to be latched to the first member upon being... | 12/17/1985 |
| 4548060 | Locking device for vending machines Disclosed is a locking device which comprises a stationary member permanently mounted on a door structure together with a passive stationary block permanently mounted on adjacent wall structures which is connected to an interlocking member by means of an ... | 10/22/1985 |
| 4506527 | Vehicle door lock assembly This door lock assembly has a thin mounting plate which fits snugly against the door post and passes behind the rear edge of the door without interfering with the usual latch on the door. An opening in this mounting plate passes the usual striker on the d... | 03/26/1985 |
| 4399672 | Auxiliary security lock assembly for a door An auxiliary lock assembly for a door hung in a frame consisting of a plate member having a portion disposed between the door and the door frame and extending inwardly of the door, a plate holding member having a slot receiving the extended portion of the... | 08/23/1983 |
| 4389862 | High security locking assembly for lockrods type rear-end closures of cargo vehicles The prevalent lockrods type rear-end closures for overland cargo carrying vehicles are exceedingly vulnerable to determined thievery. The high security locking assembly of the present invention is highly deterrent to thievery and comprises a hasp includin... | 06/28/1983 |
| 4262503 | Door security device A security device for preventing the unauthorized opening of swinging doors. The device has two members, each of which includes two parallel tubes and a rectangular metal plate or web. Each pair of tubes is welded to the respective opposite side edges of ... | 04/21/1981 |
