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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7484390 | Lockable strike for walk-in cold rooms A lockable strike for walk-in cold rooms includes a housing that includes a recessed well with openings positioned on opposing sides thereof to accept a locking device therethrough and a deadbolt moveably engaged therein to reciprocally move along a path of travel b... | 02/03/2009 |
| 7441425 | Door lock of cargo container having burglarproof function An improved door lock of a cargo container having a burglarproof function is disclosed. The door lock includes a handle hub, in which supporting pieces are integrally formed, welded to a locking rod, a rear supporting piece of the supporting pieces having a fastenin... | 10/28/2008 |
| 7412856 | Lock guard for long shackle padlock over handle Two embodiments of a guard are provided for protecting a padlock securing stanchion levers in their door locking position. An opening in the front wall of the guard permits its use with padlocks having long shackles as well as those with regular length shackles whil... | 08/19/2008 |
| 7281753 | Vehicle enclosure Door assembly includes a doorframe that can be secured to the vehicle, and a preferably rigid door that is movable between an open and closed position. The door can be secured to the vehicle in the open position so that the passengers have the option of riding in th... | 10/16/2007 |
| 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 |
| 7219685 | Gate valve locking device A locking device for gate valves utilizes an available lock and avoids the necessity of having to chain or weld the lock to the bonnet or other stationary portion of a standard gate valve. The locking device includes a bracket, which mounts securely to one of the tr... | 05/22/2007 |
| 7207198 | Valve lockout assembly A lockout assembly suitable for use with a valve having a handle rotatable between an open position and a closed position includes a lock arm which supports a clamping mechanism. In one aspect of the invention, the lock arm includes a longitudinal slot having slot e... | 04/24/2007 |
| 7204105 | Tamper-proof latch cover A latch in a door is protected from an unauthorized entry by forming a first bracket that fits around the latch, and a second bracket that is rotatably connected to the first latch. The second bracket covers the latch when rotated to be in a first position, and expo... | 04/17/2007 |
| 7201027 | Lock guard with protective roof A security device is provided for locking a closure such as a door or a gate to an enclosure. The security device is a lock guard for a padlock having a shackle insertable in either a vertical opening or a horizontal opening in a latch component on the closure or th... | 04/10/2007 |
| 7201028 | Stanchion lever lock guard A lock guard is provided which is particularly well suited to protect a padlock employed to secure a stanchion lever securing one or more doors of a cargo container, trailer truck or moving van. The lock guard includes an interior locking tab with a vertical opening... | 04/10/2007 |
| 7197904 | Lockout device A telescoping lockout device for encasing a gate valve, electrical connection, or similar apparatus, for the purpose of preventing unauthorized access and tampering with the apparatus. The lockout device is comprised of two nested half cylinders attached to one anot... | 04/03/2007 |
| 7194877 | Multiple entry locking system A multiple entry locking system including a U-bolt shackle having slotted legs. Various link members are adapted to be inserted through the slots in the U-bolt shackle legs. Each of the link members have first and second ends, and each of the link members have at le... | 03/27/2007 |
| 7188570 | Electrical equipment enclosure An embodiment of an enclosure for electrical equipment is described. The enclosure has a back part arranged to be mounted to a fixed support and having an open front, and a front part having an open back, arranged to contain electrical equipment, and hinged to the b... | 03/13/2007 |
| 7162898 | Cross bar security device for container door stanchions A security device is provided for a cargo container having doors hinged on vertical axis, which are locked by vertical stanchions. The locking device includes a housing and a hook. The hook has a pair of vertically spaced claws, which are placed around a stanchion i... | 01/16/2007 |
| 7143614 | Computer physical security device An apparatus which inhibits the theft of equipment such as personal computers is disclosed. The equipment must have an external wall provided with a specially designed, approximately rectangular slot having preselected dimensions. An attachment mechanism includes a ... | 12/05/2006 |
| 7118141 | Apparatus and method for securing an exit device to a door A securing mechanism for coupling an exit device to a door. The securing mechanism comprises a bracket coupled to the exit device and a shaft having a first end and a second end and defining a longitudinal axis. The bracket defines a first aperture and a second aper... | 10/10/2006 |
| 7097217 | Integrated security mechanism The present disclosure shows a security lock arrangement for a covered access opening. It shows a cable seal lock body housed in the cavity of a housing that is welded to a structure defining a covered access. The cable of the cable seal lock passes through a latch ... | 08/29/2006 |
| 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 |
| 7029078 | Latch mechanism for locker A storage unit providing a storage space is disclosed. The storage unit comprises a base and a panel moveable relative to the base to expose and conceal a storage space a handle configured for at least vertical movement, at least one connector configured for at leas... | 04/18/2006 |
| 7003989 | Lock protector A lock protector for protecting a padlock of the type having an exposed shackle and body. The lock protector includes a face plate or shield having a member extending from a rear surface that has two openings for securing the shield to the legs of a shackle. The fac... | 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 |
| 6983629 | Security device for container door stanchions A portable security device for locking a pair of stanchions of a cargo container which employs a J bar having a hook at one of its ends for engaging one stanchion and notches on its other end which are engageable by a complementary latch on a flip plate pivotally mo... | 01/10/2006 |
| 6952940 | Double lock T-handle assembly A double lock T-handle is disclosed having a tray which includes an inwardly dished handle receiving area, a second recessed handle receiving region, and a recessed padlock receiving depression. The tray further includes a lock cylinder casing having a locking cylin... | 10/11/2005 |
| 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 |
| 6928843 | Seal enclosure assembly for cargo doors An enclosure assembly for enclosing a tamper-evident security seal sealing a hasp assembly comprises a first enclosure portion and a second enclosure portion. A post is coupled to the first enclosure portion for extending through the generally aligned holes of the h... | 08/16/2005 |
| 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 |
| 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 |
| 6886378 | Container locking system A system for locking cargo containers. The container locking system comprises a lock housing comprising a box, a lock bar housing disposed behind the lock housing, a lock bar disposed within the lock bar housing, a staple attached to the lock bar, a slot disposed be... | 05/03/2005 |
| 6829914 | Locking device with novel opposed hook pairs A locking device for inhibiting the movement of control arm of a machine relative to a second arm having a tubular main shaft body connected to a first hook base plate, a telescopic shaft body with a diameter adapted to be inserted into the main shaft body and conne... | 12/14/2004 |
| 6823701 | Door latching device A door latching device is disclosed that is mountable to conventional doors, including cargo container doors and garage doors, for preventing opening thereof. A conventional keyed lock, such as a padlock or puck-shaped protected shackle lock, couples with the latchi... | 11/30/2004 |
| 6748776 | Locking handle assembly for a door A locking handle assembly includes a support member and a door comprising a longitudinally extending edge. The door is moveable between a closed position, wherein the door defines a plane and the edge is positioned adjacent the support member, and an open position. ... | 06/15/2004 |
| 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 |
| 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 |
| 6708532 | Hinged security cover for vehicle door hasp A security device for a vehicle door or shipping container hasp includes a hinged cover with a window that permits the hasp to partially project thereinthrough, and a lock for fixing the cover in an overlaying relationship with the hasp. The cover includes slots on ... | 03/23/2004 |
| 6705137 | Lock device for semitrailers and the like A lock device is provided for use with a truck semi-trailer. The semitrailer has a dolly wheel or landing gear system alternately configurable between a trailer support configuration and a trailer travel configuration. The lock device comprises a rigid, one-piece ho... | 03/16/2004 |
| 6668601 | Locking device A locking device is provided which is configured to mount to a frame having a locking bar receiving surface therein, which includes a housing for an enclosure with a door opening and a door and having a lock for locking the door to the enclosure about the... | 12/30/2003 |
| 6622536 | Ball valve lockout A valve lock for securing the handle of a pipe. The valve lock includes a first housing having first and second contact points for engaging the pipe and a retention chamber that receives the handle. The first housing is in a final position to prevent rota... | 09/23/2003 |
| 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 |
| 6591641 | Locking device for lockrod-type cargo-container closures The specification discloses a locking device for a cargo-container closure of the type comprising a pair of doors hingedly mounted to a body of the cargo-container, each door having associated therewith in spaced-apart relation at least one upright lockro... | 07/15/2003 |
| 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 |