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 |
| 8020603 | Blocking element, particularly for a gate used as a checkpoint A blocking element for a gate used as a checkpoint includes a housing having a height, a support having a second height and arranged in the housing, a horizontally directed pivot axis furnished on the support, and a pair of blocking vanes each of which are in a form... | 09/20/2011 |
| 7721782 | Arched window covering The arched window covering comprises a head rail that is mounted to an architectural feature. A mounting track is mounted to the arched architectural feature and a slider track is snap fit to the mounting track. The slider track includes support portions extending t... | 05/25/2010 |
| 7322632 | Vehicle visor assembly In a vehicle including a cab, having a windshield with opposed upper and lower edges, bounding an interior, a dashboard extending into the interior proximate the lower edge of the windshield, a hood extending forwardly of the cab proximate the lower edge of the wind... | 01/29/2008 |
| 7261137 | Retractable blind assembly A retractable blind assembly including a top section (3,103) with a vertically-extending blind covering material (23,123) extending between a fixed inclined head rail (5,105) and a middle rail (7,107) that is pivotable with respect to the... | 08/28/2007 |
| 7249623 | Bracing bracket for arched window blinds An improved bracing bracket for arched window blinds includes a protrusive seat which has a wedge notch on the top rim to couple with a mating plank so that the coupled protrusive seat and the plank may serve as the installation basis. A left material and a right ma... | 07/31/2007 |
| 7188886 | Shade curtain assembly for car Disclosed herein is a sunshield assembly for use in automotive vehicles which prevents potentially damaging solar radiation from entering the interior of the vehicle through a windshield when in motion or parking of the vehicle. The sunshield assembly comprises a mo... | 03/13/2007 |
| 7048027 | Arcuate shade An apparatus and method for selectively positioning a shade along an arcuate path to cover at least a portion of an arched window and to correctly align the shade within a window frame to prevent gaps or over-extensions of the shade with respect to the window. The a... | 05/23/2006 |
| 7000669 | Locating device of fan-like blind embodiment A locating device of a fan-like blind embodiment includes a door/window with a frame, a fan-like patterned blind embodiment attached at the top of the frame thereon, and a locating device adapted into a room exposed under the base of the patterned blind embodiment t... | 02/21/2006 |
| 6969547 | Method and article for securing ornamental bunting and ornamental bunting made by the method An ornamental bunting includes: a length of fabric folded to form a plurality of pleats; and a crimping member having a pair of wings each having a row of teeth. The crimping member is operable upon application of an inwardly compressive force to substantially perma... | 11/29/2005 |
| 6923236 | Sector curtain A curtain assembly contains a long cloth. An upper extending portion has a plurality of parallel and equally spaced first folding portions, a plurality of first supporting portions, and a plurality of first rings. The first folding portions are seamed to be as a bag... | 08/02/2005 |
| 6877546 | Sprocket assembly for louver arch mechanism A sprocket assembly for a louver arch assembly for semi-circular, non-perfect or imperfect arch frame assemblies with louvers rotably mounted therein. A tensioning mechanism keeps the louvers taut between an arched frame member and a smaller anchorage frame member. ... | 04/12/2005 |
| 6758256 | Louvered arch mechanism A louver assembly for semi-circular, non-perfect or imperfect arch frame assemblies with louvers rotably mounted therein. A tensioning mechanism keeps the louvers taut between an arched frame member and a smaller anchorage frame member. An actuating mechanism is use... | 07/06/2004 |
| 6561257 | Collapsible auto shade A collapsible automobile shade formed of fabric that pivots about a pivot point, or a pair of pivot points, and which are expandable into a shaped configuration for adherence to the interior of an automobile windshield, when installed, to prevent the entr... | 05/13/2003 |
| 6273115 | Wind and weather protective device in the form of a folding roof and/or partition A proposed wind and weather protection device is designed in the form of a collapsible pavilion. The collapsible pavilion is provided with a collapsible roof (1) formed from circular segments. In two preferential design variants, the maximum opening angle... | 08/14/2001 |
| 6192967 | Collapsible auto shade A collapsible automobile shade formed of fabric that pivots about a pivot point, or a pair of pivot points, as in its larger embodiment, and which are expandable into a shaped configuration for adherence, as through usage of a suction cup, double face tap... | 02/27/2001 |
| 6145569 | Arched window blind An arcuately deployable blind for arched frame windows includes a base, a pivot mounted to the base and positionable over a center of curvature of a window frame of the arched frame window, and a slide arm, rotatably mounted at first end to the pivot. An ... | 11/14/2000 |
| 6135191 | Collapsible vehicle sun shade A collapsible vehicle sun shade assembly is described that has a sheet of flexible fabric material, with at least one non-central hub. Hingedly attached to the non-central hub are at least four support members. The at least four support members are secure... | 10/24/2000 |
| 6019155 | Extendable surface An extendable surface comprising a plurality of triangular leaves is disclosed. The leaves are arranged one above another and are hingedly mounted at the apex of each leaf for rotational motion between a retracted position in which the leaves are arranged... | 02/01/2000 |
| 5813448 | Device for screening vehicle windows A device for screening vehicle windows has drive, a carrier turnable by the drive about a turning axis, and a plurality of elongated screening elements which are turnable by the carrier between a closed position in which all the elongated screening elemen... | 09/29/1998 |
| 5794680 | Retractable arced window covering A retractable arced window covering for arced windows. The invention is a pleated fan covering for arced windows which can be remotely operated by a pull cord for opening and closing the covering. The arced window covering includes a base which hides the ... | 08/18/1998 |
| 5765619 | Arched window drape apparatus An arched window covering includes a flexible fabric drape having a passageway formed on two sides thereof with one passageway extending over an elongated drape support rod having two ends. The support rod has each end attached to one end portion of an el... | 06/16/1998 |
| 5662153 | Semi-circular window shade A frame supports a fan-shaped pleated shade that is rotated from a folded open position to an unfolded closed position so that the shade covers a semi-circular window adjacent to the shade. Two pull-cords are attached to the shade to rotate it between its... | 09/02/1997 |
| 5657810 | Screening device for vehicle windows A device for screening a vehicle window, has a plurally of strip-shaped elongated elements together forming a screening element and having two opposite ends, the strip-shaped elements being connected with one another in a region of one of their ends and p... | 08/19/1997 |
| 5584329 | Moveable shade for palladian windows An arched-window shade (1) has a plurality of left-side blades (2) and right-side blades (3) with center ends oppositely disposed and attached pivotally to at least one blade axle (7, 8, 28) positioned centrally on a sill (4) of an arched window (5). The ... | 12/17/1996 |
| 5341864 | Adjustable expandable and collapsible shade An adjustable shade comprising a pleated expandable and collapsible main shade and a pleated expandable and collapsible auxiliary shade on a lower end of the main shade, with the auxiliary shade arranged so that the pleats can fan outwardly from one side ... | 08/30/1994 |
| 5333665 | Portable shade system A portable shade system includes a shade member for shading a user from the sun, an elongated member having proximal and distal end portions for supporting the shade member on an object, and a clamp attached to the proximal end portion of the elongated me... | 08/02/1994 |
| 5207257 | Adjustable expandable and collapsible shade An adjustable shade comprising an upper headrail and a lower rail and a transversely pleated expandable and collapsible shade member attached to the upper headrail and to lower rail and extending therebetween. The lower rail means including two lower rail... | 05/04/1993 |
| 5183092 | Cording designs for operable arch window blind An arch-shaped window blind assembly that uses pleated blind fabric placed between two bars pivotably connected by a slotted hinge. The blind assembly travels through the open and closed positions by the use of a slide that is connected to one of the bars... | 02/02/1993 |
| 5168912 | Operable arch window blind A collapsible blind for use in arch-shaped windows. The pleated blind design employs a flexible adhesive with optional link as shown on the bottom of the blind. A simple slotted hinge pivotally connects bars attached to the opposite end of the blind. The ... | 12/08/1992 |
| 5159966 | Fan-type blind for semicircular arched window A blind for an arched window and more specifically a fan-type blind for semicircular arched windows in the form of a semicircular radially pleated member supported along its bottom edge by a mounting rail which is supported by end mounting brackets attach... | 11/03/1992 |
| 5139070 | Shade for arched openings using slide rotator-arm hinge An arched window opening may be shaded by rotating a shade through a segment of an arc. The slide rotator-arm hinging of the shade to permit its rotation from a position in which an accumulation of shading material is present beneath the hinge to one in w... | 08/18/1992 |
| 5092383 | Shade for non-rectangular opening The invention relates to a pleated shade for a triangular or other non-rectangular opening. The shade has a fixed bar which is shaped and angled to conform to at least a portion of a first edge of the opening and a moveable bar shaped, positioned and angl... | 03/03/1992 |
| 5086822 | Arch treatment An above-window arch treatment has a series of rectangular slats glued to one another and to a valence so as to form a "peacock's tail". The arch treatment is fabricated by a method which fixes an odd-number of slats about a pivot bolt passing through fro... | 02/11/1992 |
| 5063985 | Method and apparatus for the installation of sector-shaped curtains on correspondingly sector-shaped windows A new method and apparatus for the installation of sector-shaped curtains on correspondingly shaped windows requires the provision of a piece of curtain material of suitable length and width; sheer tape is attached to the top edge and the piece is gathere... | 11/12/1991 |
| 5050661 | Blind for rounded window section A window blind for an arched or rounded window in which the blind when open rests in a horizontal stack on the base of the window and which closes to fan shaped disposition. The inner end of the stack is carried by a vertical slot and pivot means that per... | 09/24/1991 |
| 5044418 | Window treatment An arch-shaped window treatment has a front and back and consists of a frame and a flexible material construction mounted thereon. The frame has a curved semi-rigid upper portion and a lower elongated piece. The curved portion and elongated piece are deta... | 09/03/1991 |
| 5010939 | Blind for arched windows A foldable arcuate blind for arched windows using a central transmission mechanism for opening and closing.... | 04/30/1991 |
| 5002112 | Suspension and actuation systems for specialty window shades Manual deployment apparatus for specialty, pleated or multi-cellular window covering treatments including uniquely hinged mounting rails and single and/or continuous strand pull cords. The invention consists of apparatus that is used to acquire two modes ... | 03/26/1991 |
| 4979551 | Sunblind assembled into an arcuate form A plurality of support bars are provided with at least one of the bars being movable relative to another of the bars. A plurality of separate webs of pleated material are provided with the opposite edges of each of the webs being secured to adjacent bars.... | 12/25/1990 |
| 4934436 | Suspension and actuation system for specialty window shades Manual deployment apparatus for speciality, pleated or multi-cellular window covering treatments including uniquely hinged mounting rails and single and/or continuous strand pull cords. The invention consists of apparatus that is used to acquire two modes... | 06/19/1990 |