Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7377562 | Door handle assembly A door assembly comprising a door substrate having an aperture, a bell crank including a first arm having a pivot axis, a second arm, and a base therebetween, wherein the second arm extends through the aperture of the door substrate, a door handle that operatively e... | 05/27/2008 |
| 7296832 | Locking mechanism for door hinge A locking mechanism for hinges, which includes a butt hinge of the type securable between a door frame jamb and a door stile, having first and second leaves moveable along a common axis; upper and lower loops formed along the upper and lower edges of the leaf secure... | 11/20/2007 |
| 7232163 | Sliding door lock A first L-shaped bracket is secured to the door and has an aperture aligned with an aperture extending through the door. A second L-shaped bracket having substantially the same size and shape as the first bracket has a rod which, in the locking position, extends thr... | 06/19/2007 |
| 7226094 | Door latch extension A door latch extension is attachable to a doorjamb for maintaining a door in an ajar position. The door latch extension includes a support member, an extension member, and a cover. The support member is mountable to the door jamb by a striker plate portion. The exte... | 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 |
| 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 |
| 7178840 | Dome clamp for tanker trucks A dome clamp for retaining the dome lid of a tanker truck in a closed position. The dome clamp includes an upper tube, right and left clamp members, and a vertically adjustable locking means adapted to be movable from an unextended position out of contact with a dom... | 02/20/2007 |
| 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 |
| 7017959 | Portable security device for doors A portable door locking device. In one embodiment, a door lock may include a base plate configured with a locking wedge and a driver wedge. The base plate may be formed in a U-shaped fashion, thus defining a cut-out region sized to receive the locking and driver wed... | 03/28/2006 |
| 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 |
| 6926316 | Portable security locks A portable security lock for use with a hinged door includes a base plate that hooks into a keeper opening in a strike plate and a latch plate that is pivoted on the base plate and carries a locking foot which bears against the door when the door is closed. A slidin... | 08/09/2005 |
| 6874209 | Indoor fan filter One or two filters in brackets are integrated with a square or circular fan. Filters and associated brackets are provided both in the front and in the rear of the fan in one embodiment. In another embodiment, a single filter in a bracket is provided at the rear of t... | 04/05/2005 |
| 6869112 | Device for locking two telescopic elongated elements A device for locking two elongated elements the first of which slides in the second telescopically, comprises members (12, 22) for locking the first element (2) longitudinally relative to the second element (4), a lock washer (13) arrange... | 03/22/2005 |
| 6835127 | Clip to hold in place air conditioning vents in vehicles A clip to hold in place air conditioning vents in vehicles is an arcuate device adapted to snap onto the shaft between the end wall of the rotor and the end wall of the housing in an air conditioning vent. The clip is substantially V-shaped, having two diagonally op... | 12/28/2004 |
| 6834896 | Locking apparatus for trailer doors A locking apparatus for locking the doors of a cargo container, such as the rear doors of a trailer, is disclosed. The locking assembly may include a second tubular member that telescopes and slides within a first tubular member and an L-shaped assembly mounted on o... | 12/28/2004 |
| 6755450 | Safety door lock A safety door lock is constructed to include a positioning plate for plugging into a mounting hole in the doorjamb, the positioning plate having a longitudinal sliding way and a serrated longitudinal rail along one side of the sliding way, and a stop plate assembly ... | 06/29/2004 |
| 6658906 | Doorknob disabling device A device for temporarily disabling a doorknob attached to a hinged door. The device covers the doorknob with a rigid enclosure, preventing rotation of the doorknob to move the associated locking bolt. A retaining unit is mated with an extension from the r... | 12/09/2003 |
| 6641185 | Door lock having U-bar and custom striker plate A door locking apparatus for use on a door and an associated door jamb is provided. The door locking apparatus includes a custom striker plate and a U-shaped element or U-Bar. The U-shaped element has two arm portions and the custom striker plate has two ... | 11/04/2003 |
| 6520551 | Open door security device A security device for use in securely fixing the entry path of an enclosure in a predetermined semi-open position includes a first member removably mountable to a structure associated with the entry path to an enclosure and a second member removably mount... | 02/18/2003 |
| 6471264 | Door security apparatus A door security device operative to secure the door in a fully closed and partially opened state is disclosed. A vertically oriented housing mounted close to the handle side on the inside surface of the door contains a coaxial brace bar, the bottom end of... | 10/29/2002 |
| 6431616 | Child safety latch assembly A latch assembly for releasably maintaining the drawer in a closed position with respect a drawer frame includes a latch guide attached to the interior surface of the front panel of the drawer. The latch guide has a guide channel defined therein, a latch ... | 08/13/2002 |
| 6398272 | Flexible draw latch A flexible draw latch for use in securing two closure members together, including a keeper adapted to be affixed to one of the closure members, a mounting bracket adapted to be affixed to the other closure member, a flexible arm pivotally connected to the... | 06/04/2002 |
| 6345849 | Safety door stopper A safety door stopper for use in trip, including a wedge stopper block and a coupler member. The coupler member is used to fix the wedge stopper block under a lower edge of the door board. A bottom face of the wedge stopper block is disposed with an unsmo... | 02/12/2002 |
| 6131968 | Lock system for shed A lock system for a shed having a crossbar which is inserted through an opening in a side wall of the shed through guides mounted on the rear of the front wall and the doors of the shed and secured by a lock. The crossbar is a solid, elongated rod with a ... | 10/17/2000 |
| 6036242 | Portable anti-theft door lock A portable anti-theft door lock includes a lock body, a positioning bar, and an alarm device. The lock body is comprised of upper and lower casings having end threaded portions. Urging nuts are fitted over the end threaded portions, one being adjustable, ... | 03/14/2000 |
| 5984387 | Portable lock A portable lock for locking a door has a lock bar for insertion and retention between a door jamb and the latch side of a door. A housing is movable along the lock bar between a retracted position enabling pivoting movement of the door about its hinge bet... | 11/16/1999 |
| 5836626 | Locking door latch A door latch is disclosed herein for use in cooperation with a door jamb striker plate and a door closure sliding latch which includes an elongated latch plate having a pair of lateral spaced-apart arcuate projections insertable into the opening of the st... | 11/17/1998 |
| 5772265 | Door security lock A drop bolt system provides a low profile, simplified arrangement of a central metal plate, a metal doorjamb restraint and a plate latch. This system prevents overriding the door security system from a position exterior to the protected door.... | 06/30/1998 |
| 5685580 | Portable door locking device A portable door locking device including an attachment plate dimensioned for coupling with an existing striker plate on an existing door jamb. The attachment plate has a central aperture therethrough. A locking bar is threadable through the central apertu... | 11/11/1997 |
| 5566993 | Door locking device A device is provided for the locking of one or more doors. In particular, the device comprises a strap, a door engaging member, and a frame. The strap has a first end which includes an outwardly extending projection for engagement with a door latch recess... | 10/22/1996 |
| 5549338 | Keyless lock A base plate with an extension which defines a pair of notched seats is secured to the frame of a pivoting door in the gap between the frame and the door. A stop plate, made from a disk of stiff metal plate having an aperture of predetermined shape and wi... | 08/27/1996 |
| 5480200 | Portable auxiliary door lock A portable auxiliary locking device for use with a door hung in a door jamb having a latch hole for receiving a horizontally extendible latch bolt. The locking device includes a plate thin enough to fit in the gap between the door and the doorjamb and lon... | 01/02/1996 |
| 5462323 | Cab window security device The sliding windows in the back of the cab of a pick-up truck are vulnerable to break-ins because a thief can pry the panes apart using friction from the pressure of his hand on the panes. The normal clamp is by-passed during this type of break-in. An adj... | 10/31/1995 |
| 5401068 | Portable door locking mechanism A portable door lock comprises a planar lock plate for extending from a door frame and a door edge with a transverse tongue at one end that passes through a frame striker plate into a recess. Apertures in a central portion of the lock plate align with ape... | 03/28/1995 |
| 5325685 | Portable auxiliary door lock A portable auxiliary door lock includes a lock cylinder slidable upon a bar having toothed edges to engage the locking means within the cylinder. The device differs from such locks for sliding panels, as it provides for temporary attachment between the ed... | 07/05/1994 |
| 5280976 | Door security device A security device for preventing the opening of a hinged door surrounded by a door frame and a door jamb. The security device includes a jamb mount attachable to the door jamb and having horizontal guide plates which extend outwardly from the door frame. ... | 01/25/1994 |
| 5222619 | Enclosure with wedge locking device An enclosure comprising a container having a bottom, a sidewall attached to the bottom and terminating in an open end. The sidewall has an inner wall surface opposed to an outer wall surface. A closure member made complementary to the open end can be remo... | 06/29/1993 |
| 5193867 | Portable security device for a door A portable security device for preventing normal opening of a door includes a hard steel strap having a hooked end for engaging a doorjamb and an extension that includes a plurality of aligned rectangular apertures. A U-shaped clip is slidable along the s... | 03/16/1993 |
| 5193866 | Transportable positive dead bolt lock for doors A portable positive dead bolt lock temporarily installed in a door frame and then removed and carried from one location to another to present, while temporarily used, a positive dead bolt lock. A planar lock plate is provided having a tab flange extended ... | 03/16/1993 |
| 5098142 | Door security lock A door locking device for preventing an opening of a hinged door. The locking device of the present invention includes a door jamb restraint independent of the conventional striker plate and secured to a door facing surface of the door jamb. In one embodi... | 03/24/1992 |
