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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7419197 | Portable security lock for doors A door securing apparatus is disclosed for securing a door in a closed position in a door frame. The apparatus includes an anchor member for removably securing to a portion of the door frame, with at least a portion of the anchor member being positionable between th... | 09/02/2008 |
| 7377135 | Multipurpose portable lock A portable multipurpose lock having a shackle base with two parallel rods having opposing interior sides with spaced-apart detents, an adjustable lock body with through holes for slidable insertion of the rods, a lock for engaging the rods to secure and lock the loc... | 05/27/2008 |
| 7370750 | Conveyor belt cleaner system and method of manufacturing same A conveyor belt cleaner system and method of manufacturing the same comprising a common component support frame, and key components of: mounting bar, blade support and scraper blade wherein the scraper blade is removably secured within a reusable blade support so as... | 05/13/2008 |
| 7367443 | Conveyor belt cleaner system and method of manufacturing same A conveyor belt cleaner system and method of manufacturing the same comprising a common component support frame, and key components of: mounting bar, blade support and scraper blade wherein the scraper blade is removably secured within a reusable blade support so as... | 05/06/2008 |
| 7360805 | Double lock sliding door A double lock system for use combination with sliding door assemblies to prevent unwanted movement of the door assembly. The double lock system, a user, such as a homeowner provides a tubing having sleeves that interface and engage the tubing into a bracket assembly... | 04/22/2008 |
| 7344167 | Door security apparatus A door security apparatus and method that is adapted to assist in retaining a pair of adjacent doors in a closed state, thereby to help protect against unauthorized opening of the doors by placing the doors into an open state. The door security apparatus includes a ... | 03/18/2008 |
| 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 |
| 7316086 | Occupancy sign for bathroom stall A sign for use with a restroom stall having a mounting plate that is detachably mounted to the inner surface of the bathroom stall. Connected to and extending from the mounting plate is a flexible or rigid cord. Connected to the opposite end of the flexible or rigid... | 01/08/2008 |
| 7272963 | Gate latch A gate latch including a bolt portion, a sleeve portion and a channel bolt. The sleeve portion is mounted on a generally U-shaped clamp assembly that is adapted to fit around tubular gate members. The sleeve portion further includes a receiving notch and a padlock p... | 09/25/2007 |
| 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 |
| 7175149 | Anti-tipover device An anti-tipover device for retaining an object adjacent a structure, the anti-tipover device comprising an elongate flexible link element including opposing first and second end sections, the first and second end sections defining first and second longitudinal axes,... | 02/13/2007 |
| 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 |
| 6932394 | Cross connecting stop apparatus and method A cross connecting stop apparatus and method includes a plate with a rail, the plate attached to a movable structure, the movable structure having two sides, a top, a bottom, an inside and an outside, wherein the plate is attached to the inside of the movable struct... | 08/23/2005 |
| 6863319 | Security door lock A security door lock that is secured by two lag bolts to the vertical wall studs forming a doorway frame. The security door lock is installed directly opposite a doorknob on the door and it has a vertically oriented base plate having at least one vertically oriented... | 03/08/2005 |
| 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 |
| 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 |
| 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 |
| 6705652 | Security system A door security system utilizes a bar that spans the distance across a door and prevents the door from being opened. The bar combines an elastic, flexible hollow rod with a cable that is pliable but generally does not flex. The bar flexes when an individual attempts... | 03/16/2004 |
| 6644698 | Folding door bar lock A bar lock having two interconnected aluminum bars for engaging handles on folding doors, and preferably extending across all the seams in the folding doors to prevent the simultaneous outward and lateral opening motion of the doors. Clamping the horizont... | 11/11/2003 |
| 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 |
| 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 |
| 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 |
| 6513852 | Locking security apparatus for vehicle with canopy A releasably securable security apparatus for securing the tailgate and rear canopy window of a pick-up vehicle equipped with a canopy, provides a releasably securable securing frame and a mounting means capable of being attached and secured to the side w... | 02/04/2003 |
| 6484445 | Slide window and door lock A slide window and door lock includes a connecting device selectively mounted on a vertical jamb of a sliding panel at a predetermined height with respect to a base slider track of a supporting frame and a locker panel having one pivot edge pivotally conn... | 11/26/2002 |
| 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 |
| 6393879 | T-bar deck locker security system A T-bar lockable linkage is deployed between the gunnels and forward seating or casting area of a marine craft and effective to limit opening of an array of side and central storage containers including a telescoping cross bar assembly that is connected t... | 05/28/2002 |
| 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 |
| 6345413 | Doorstop device and method of use A doorstop including a doorjamb engaging portion, the doorjamb engaging portion having a wall portion, the wall portion having an inset portion, the wall portion having a padded portion; a door engaging portion, the door engaging portion having a stair-st... | 02/12/2002 |
| 6343737 | Mail slot door immobilizer A mail slot door immobilizer for immobilizing a mail slot door within a main door, including an interior portion located on an interior side of the mail slot door and overlapping the mail slot door and the main door, and an exterior portion located on an ... | 02/05/2002 |
| 6327743 | Door safety device The present invention relates to a door safety device for use in conjunction with a door that is pivotably mounted to a wall. The safety device comprises a base member that mounts to either the door or the wall, and an engaging member that movably mounts ... | 12/11/2001 |
| 6282841 | Stop device for sliding closures A stop device that is used to prevent unauthorized opening of sliding closures, such as windows and doors, which is esthetically pleasing, is adjustable in length and includes removable decorative accessory items. The stop device includes first and second... | 09/04/2001 |
| 6082790 | Door anti-locking device A door anti-locking device for preventing a door lock bolt engaging a strike plate in the door frame to prevent locking of the door. The door anti-locking device includes a cover plate having inwards and outwards faces, a pair of ends and a pair of sides ... | 07/04/2000 |
| 6070922 | Shower doors locking device For sliding doors of a stall shower tracking in front and rear tracks with a sliding clearance therebetween, front and rear brackets suspended on the tracks and each having a leg respectively projected into a tracking path of movement, and each having add... | 06/06/2000 |
| 6050621 | Truck sliding window locking system A sliding window locking device is provided including a strip having a planar rectangular configuration. The strip is defined by a first side face, a second side face, and a periphery formed therebetween. Such periphery is formed of an elongated linear to... | 04/18/2000 |
| 5971450 | Adjustable telescopic window security system A new Adjustable Telescopic Window Security System for facilitating increased security for various sizes of conventional windows while allowing the user to simultaneously adjust the position of the window so as to allow ventilation through the conventiona... | 10/26/1999 |
| 5934718 | Entertainment system cabinet locking device An entertainment cabinet door locking apparatus is provided including a front extent having a planar configuration with a front face, a rear face, and a periphery formed therebetween. Also included is a rear extent including at least one plate coupled at ... | 08/10/1999 |
| 5899509 | Door security device having viewing position A triple articulating security device for use with a door, such as a house door having a hinged side and a latch (opening) side device holds a door in a closed (security) position or in a partially open (viewing) position. The security device generally co... | 05/04/1999 |
| 5865485 | Vehicle door locking system A door locking system is provided including a pair of doors of a vehicle adapted to pivot outward for allowing access to a cab. Each door has a slot for receiving a sliding window therein. A pair of hollow rigid tubes of a common length include a first tu... | 02/02/1999 |
