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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 |
| 8136326 | Structure for steel door The present invention relates to an improved structure for a steel door which comprises a steel door frame and a steel door panel which is hinged on one side of the steel door frame, wherein the steel door panel comprises a steel-made door panel frame and a door ope... | 03/20/2012 |
| 7426805 | Building block assembly system A block assembly including a plurality of first framing members each having a first longitudinal axis and a plurality of second framing members each having a second longitudinal axis, wherein the first longitudinal axis is substantially perpendicular to the second l... | 09/23/2008 |
| 7380384 | Layout for shop window construction, as well as a window frame, glazed door and/or similar, composed of such a layout A layout for shop window construction includes a dormant frame and an opening frame of a closed tubular section defining an internal volume, the opening or dormant frames appearing in the form of an assembly of the profiles defining the closed tubular section, the p... | 06/03/2008 |
| 7146774 | Overlapping corner piece for siding retainers Applicant's invention comprises a corner piece which is firmly attached to a wall at a juncture of horizontal and vertical retainer strips and covers the juncture between the horizontal and vertical retainer strips, providing a barrier to direct water and/or moistur... | 12/12/2006 |
| 7134246 | Method and apparatus for reinforcing a door assembly A fenestration product includes a door assembly having a door shiftable into and out of a closed position, at least one generally flat door jamb presenting an inner face that faces inwardly toward the door when the door is in the closed position and a generally oppo... | 11/14/2006 |
| 7124546 | Muntin bar connector with positioning tabs A connector for holding an internal muntin assembly away from a perimeter spacer of an insulating glass assembly until the assembler is ready to affix the muntin bar to the perimeter bar using an attachment device. The connector includes a positioning tab for holdin... | 10/24/2006 |
| 7117576 | Method and process of a universal window system using singular advanced components of a polymer based or metallurgy based product A method for producing window components using polymer based, metallurgy based, extruded, injection molded, or wood material is provided. This invention provides a low cost, highly reliable, low defect method of producing window components by machining from a singul... | 10/10/2006 |
| 7104021 | Terminal plug for screwing a muntin bar to a spacer frame of in particular an insulated glass window A terminal for use with a muntin bar or cross includes a muntin bar and a terminal plug. The muntin bar has an end and an outer surface. The end of the muntin bar includes a hollow space and an inner wall. The terminal plug is adapted to be inserted into the end of ... | 09/12/2006 |
| 6935078 | Anchor fastener clip The present invention 10 discloses an anchor fastener for mating parts to a channel 30 for, e.g., the attachment of muntin in a window 14 design. The end clip 15 of the preferred embodiment is comprised of molded polymeric material having... | 08/30/2005 |
| 6886300 | Tensioned fabric storm protection panel A panel (10) for protecting a portion of a structure such as a window (11) includes a frame member (13) made up of four channel members (16-19) interconnected by corner members (20). One end of each channel member (16-19) in... | 05/03/2005 |
| 6862859 | Plug connector for hollow sections A plug-in connector for hollow sections (24), especially for spacer frames or bar sections of insulating glass panes. The plug-in connector has a middle wall (5) and two side walls (6) joining same with a plurality of lateral retaining elements ... | 03/08/2005 |
| 6722089 | Concealed structural mullion A mullion for providing structural support between a pair of adjacent window frames includes a first member having a planar section affixable to a first window frame, a first portion of a first coupler extending outwardly from the planar section of the first member,... | 04/20/2004 |
| 6643988 | Frame assembly with a flush corner appearance A frame assembly for creating a flush corner appearance is disclosed. The frame assembly includes first and a second members. The first member has a plurality of sides that extend between a first and second end such that one side defines an opening extend... | 11/11/2003 |
| 6622441 | Window frame system The present invention is a window frame wherein all of the structural members are formed with the same substantially identically-shaped configuration a metal extrusion. A plurality of structural members are arranged to form a supporting structure. Each st... | 09/23/2003 |
| 6412239 | Window frame system The present invention is a window frame wherein all of the structural members are formed with the same substantially identically-shaped configuration by metal extrusion. A plurality of structural members are arranged to form a supporting structure. Each s... | 07/02/2002 |
| 6405498 | Insulating glass spacer channel seal A cutout is made on the front wall of a substantially straight portion of spacer frame channel, having an apex at the axis of bend of the channel for making a corner of the frame, the edges of the cutout being angled so that they close down to a slot of a... | 06/18/2002 |
| 6393778 | Airloop window system A window system using air loops to completely isolate air seals from water seals. As a result of the separation of air seals from water seals, the window system can tolerate imperfect seals anywhere in the system while maintaining high resistance to water... | 05/28/2002 |
| 6311439 | Window frame An aluminum window frame construction which includes: an outer frame having a header, a sill and first and second jambs. At least one sash frame assembly is mounted in the outer frame, including a top portion, a bottom portion and first and second side po... | 11/06/2001 |
| 6301843 | Muntin joint A muntin connector includes male and female connecting members each having a length, a thickness, and a width greater than the thickness. The connecting members are configured to be assembled together in a direction transverse to the length and width dire... | 10/16/2001 |
| 6279292 | Insulated glass window spacer and method for making window spacer An integral metal spacer for insulated glass units and method of fabricating the spacer. The spacer defines a substantially closed cross-section contour having a bottom surface, a pair of sidewalls, and a pair of generally abutting inner surfaces. A gap m... | 08/28/2001 |
| 6243999 | Blow-out prevention mechanism for windows A storm-resistant window includes a mechanism for preventing the blowout of a movable sash when wind pressure pulls the sash outwardly. In a single hung window having a slidable lower sash, the mechanism consists of a first rib projecting downwardly from ... | 06/12/2001 |
| 6185881 | Method and apparatus for reinforcing a door assembly A fenestration product includes a door assembly having a door shiftable into and out of a closed position, at least one generally flat door jamb presenting an inner face that faces inwardly toward the door when the door is in the closed position and a gen... | 02/13/2001 |
| 6151846 | Pin and slide method to install and affix cladding Method to install and affix all kinds of building cladding to both new and existing building structures and to any free-standing structure. The method covers the mounting and securing in place of window and door surrounds and panels made from pre-cast sto... | 11/28/2000 |
| 6148572 | Wall construction A knockdown unit comprising a framework for holding one or more panels and one or more doors, having two outside vertical jambs; at least one vertical mullion; at least one horizontal frame member; at least one sill frame member; the vertical jambs, the a... | 11/21/2000 |
| 6141922 | Trim assembly and method of manufacture A trim assembly is provided for installation in a wall opening, such as a recessed window frame or walk-through doorway. The trim assembly includes a jamb extension assembly for covering the interior surface of the wall opening and one or more casing asse... | 11/07/2000 |
| 6134857 | Structural corner reinforcement, a frame including such a reinforcement and methods of manufacturing these products A structural corner reinforcement for strengthening frames includes at least a first segment and a second segment of frame bar, each formed into a desired profile and each having a hollow interior portion, a reinforcing channel having a first leg and a se... | 10/24/2000 |
| 6122869 | Composite door and frame A swing door is described having a door frame, hinge assembly, transparent panels supported by the door frame and a glazing strip surrounding the panel edges. The door frame is formed from pultruded rail elements wherein each rail element is defined by a ... | 09/26/2000 |
| 6108997 | Vinyl window screen frame A vinyl window or door screen frame which does not require clips or hooks for installation. The frame contains corner keys formed at angles greater than 91° which provide a slight bow along each side of the screen frame. This feature allows the screen fr... | 08/29/2000 |
| 6079181 | Wall construction A knockdown unit comprising a framework for holding one or more panels and one or more doors, having two outside vertical jambs; at least one vertical mullion; at least one horizontal frame member; at least one sill frame member; the vertical jambs, the a... | 06/27/2000 |
| 6070375 | Frame for a wall opening and methods of assembly and use A frame is formed of side walls that are extruded from vinyl. The side walls have interior channels. The side walls may be formed to effect a female-male connection between the ends of two adjoining side walls. Alternatively a locking member is provided t... | 06/06/2000 |
| 6044611 | Window trim clip A trim clip hooks onto a main frame of a window and positions wood or vinyl trim (i) parallel to a head, sill or a side jamb of the main frame, and (ii) extending outwardly from an interior wall of the main frame. The clip includes a hinged, outwardly ext... | 04/04/2000 |
| 5987844 | Snap-lock vision frame assembly A vision frame assembly for use in fire-rated structures such as doors and alls. The frame assembly includes a pair of opposed frame members that snap-fit into a plurality of resilient latching clips mounted in the door or wall. The latching clips include ... | 11/23/1999 |
| 5941031 | Shutter system and method Eliminating a header and a footer as well as side mounts around a shutter system as original construction or retrofit by providing a frame structure which preselectively frames the enclosure and at its inner portion contains a frame mounting plate and a c... | 08/24/1999 |
| 5875602 | Clip for mitered siding accessories A clip is provided for the channeling of water flow in assembled vinyl siding trim accessories, the clip having a first end segment which forms a detachable retention fastener, and a second end segment formed for the channeling of water.... | 03/02/1999 |
| 5749184 | Light frame system with fastener clips A frame assembly for a door light is formed with inner and outer half-frames sandwiching a translucent panel. The half-frames have a plurality of side members defining a closed polygon. Each side member includes, in cross-section, a flat portion for suppo... | 05/12/1998 |
| 5732760 | Weather- or insect-proofing cover A frame construct for holding at least one planar mesh or membrane in set-apart relationship from a structural port(a1). Individual frame pieces, top, bottom and sides, are cut to desired lengths and joined to form a glazable frame. Shapes other than of r... | 03/31/1998 |
| 5727356 | Composite section for frames of windows, doors, facade elements and the like A composite section for frames of windows, doors, facade elements and the like consists of two metal section parts and at least one plastic insulating web which joins these metal section parts and is held with its ends in corresponding grooves of the meta... | 03/17/1998 |
| 5689922 | Structural framing system Cold formed, light-gauge metal structural framing for building construction, including a one-piece jamb member, a one-piece load-bearing header member connected to said jamb member, and a one-piece upper channel member connected to at least one of said ja... | 11/25/1997 |
| 5638648 | Window door stamped radius A door panel for an electronics enclosure or cabinet is disclosed. This door panel includes a window opening, over which is placed a windowpane, anchored to the door panel by bonding material. The bonding material is extruded into a cavity formed by the r... | 06/17/1997 |
| 5596859 | Metal wall stud A metal wall stud in the shape of an elongated open channel having pre-punched nail or screw holes and pre-punched passageways for electrical or plumbing facilities. Integral tabs extending beyond the ends of stud walls are foldable to provide connections... | 01/28/1997 |
