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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 |
| 8132385 | Benchtop panels Benchtop panels are formed with spaced apart longitudinal edge webs and intermediate webs and spaced apart transverse edge webs and intermediate webs forming a grid with parallel top and bottom surfaces. At least one pair of longitudinal and transverse intermediate ... | 03/13/2012 |
| 8061107 | Methods and arrangements for securing fabric An arrangement for securing fabric relative to a framework comprising a framework, a grove in the framework, and a locking spline for being received into the groove in the framework whereby a fabric panel can be retained relative to the framework by an insertion of ... | 11/22/2011 |
| 7398627 | Lattice panel and a lattice panel constructing method A lattice panel (1) having a simple structure and capable for easy construction of strong and comfortable building, comprising several cross-shaped first skeleton members (7) and the L-shaped second skeleton members (9), to be connected to each ... | 07/15/2008 |
| 7370452 | Mat assembly for heavy equipment transit and support A mat assembly particularly suited for heavy equipment transit and support, such as roadway construction and the like. The mat assembly is made up of a number of structural members preferably having a “double I-beam” cross-sectional shape. Each I-beam has spaced... | 05/13/2008 |
| 7305799 | Bearing brace apparatus A brace apparatus having a core member adapted to absorb energy by undergoing plastic deformation and a buckling restraining assembly that maintains the structural integrity of the brace apparatus once the core member has undergone plastic deformation. A core member... | 12/11/2007 |
| 7287356 | Twin track wire lath A welded wire lathing material for mounting stucco plaster and the like onto a building frame. This lathing material comprises intersecting transverse and primary longitudinal strands substantially located in a first plane. It also comprises secondary longitudinal s... | 10/30/2007 |
| 7251917 | Methods and arrangements for securing fabric An arrangement for securing fabric relative to a framework comprising a framework, a groove in the framework, and a locking spline for being received into the groove in the framework whereby a fabric panel can be retained relative to the framework by an insertion of... | 08/07/2007 |
| 7178789 | Fixture for hanging wire fence The apparatus is a fixture for mounting wire fence on posts. The apparatus is a channel formed with slots across the web of the channel and the slots angled into the channel walls to form finger like tabs. Holes in lengthwise flanges on the channel sides or holes in... | 02/20/2007 |
| 7178484 | Apparatus for raising a sow in a farrowing crate In a farrowing pen which includes a pit and over the pit a first floor portion on which the sow can stand and lie and two further floor portions on each side of the first floor portion for receiving piglets of the sow and confining walls for locating the sow on the ... | 02/20/2007 |
| 7168212 | Cable support apparatus for a raised floor system A cable support apparatus for a raised floor system comprising at least one support member. The at least one support member is configured to be mounted to a pedestal of the raised floor system and connect with portions of cable trays. The support member, in one pref... | 01/30/2007 |
| 7159369 | Stud wall system and method using combined bridging and spacing device A stud bridging/spacing member generally having at least three longitudinally spaced apart notches for receiving and engaging therein a web of a metal stud. At least one of the notches has opposing notch sides which are oriented such that when a portion of a web is ... | 01/09/2007 |
| 7131481 | Flexible curtain rollup door with combination stiffening struts and windlocks A flexible curtain rollup door includes a drum mounted on a door frame and drivenly connected to an electric right angle gear motor unit. The frame includes opposed channel shaped guide tracks for receiving opposed side edges of a door curtain. Spaced apart elastica... | 11/07/2006 |
| 7108233 | Wire ring net for rocky wall barriers and method for making it A wire ring net, particularly for providing barriers for rocky walls and the like comprises a plurality of braided wire rings, each wire ring comprising, at a starting end of its wire, a first curled portion wound about the wire of the first turn and, at the termina... | 09/19/2006 |
| 7096633 | Method of hanging a false cloth ceiling A false ceiling having flexible material connected to an elongate U-shaped beam or rail, the beam fixedly connected to existing trusses via clamps. The U-shaped beam has a pair of vertical flanges with inner surfaces for receiving an end portion of the flexible mate... | 08/29/2006 |
| 7048469 | Flexible grid and predominantly concrete mat employing same A flexible, molded, polymeric grid is embedded in a predominantly concrete mat comprising a concrete slab having relatively thicker portions defining blocks connected by relatively thinner portions, along which the concrete slab is breakable. The flexible grid has t... | 05/23/2006 |
| 7021017 | High strength low density multi-purpose panel A high strength low density multi-purpose panel. The preferred panel is made of a plurality of boxes, organized into rows and columns, and each preferably including four alternately inverted voids. The voids are preferably triangular in cross-section and rounded at ... | 04/04/2006 |
| 7000550 | Ablative blast resistant security door panel Penetration resistant door panel comprises a plurality of spars having a series of holes therethrough and sandwiched between an outer skin and a rear skin. Preferably there are two series of holes in each spar that are staggered with respect to each other. The holes... | 02/21/2006 |
| 6973864 | Protective structure and protective system A protective structure for protecting buildings, bridges, roads and other areas from explosive devices such as car bombs and the like comprises: (a) a mesh structure having an outer surface and an inner surface, wherein the inner surface defines an annular space; (b... | 12/13/2005 |
| 6969097 | Front bumper A front bumper has a grill 1 in which a plurality of opening sections 30 are arranged in an aligned pattern. Further, wall sections 50 are fanned in the respective opening sections so that each wall section stands upright on a lower section 4... | 11/29/2005 |
| 6968665 | Pool grating and a method of installation A grate for a swimming pool structure is constructed by placing a multiple of grate bars in an elevated position above the gutter which is parallel to the pools edge including any curvatures. The grate bars follow the curvatures of the pool's edge. When in the eleva... | 11/29/2005 |
| 6955022 | Fixing means for fixing a screen panel on a support structure A fixing means for fixing a screen panel on a support structure includes an insert member adapted to fit into a bore formed on the underside of a corner of a screen panel. The insert member has a first upper curved surface forming the major part of the insert member... | 10/18/2005 |
| 6948291 | Plastic slab bolster upper A slab bolster upper for supporting rebar in a reinforced concrete structure while the concrete is poured and thereafter cures, is of molded plastic construction and is formed with horizontal and vertical voids that facilitate concrete placement and break up potenti... | 09/27/2005 |
| 6918498 | Method and apparatus for a wire shelf hooking onto slotted brackets A rack system including a support having multiple longitudinally spaced slots for connecting at least one generally Z-shaped shelf, or any suitable shape. The shelf has a front leg and a back leg interconnected by a support position. The front leg may, for example, ... | 07/19/2005 |
| 6820387 | Self-stiffened welded wire lath assembly A self-furring wire lath has stiffening trusses. In a preferred embodiment the lath comprises a grid of intersecting transverse and longitudinal wires welded at their intersections. Stiffening trusses are formed at bent sections in the transverse wires by first long... | 11/23/2004 |
| 6748715 | Safety unit A safety unit (11) in the form of a network or mesh for location across an opening to receive and restrain an object falling into the opening. The network or mesh is a trellis (12) comprising: a first array (13) of parallel rigid members (13 | 06/15/2004 |
| 6691486 | Reinforcement for concrete wall A reinforcement includes two parallel walls formed with braces arranged along two orthogonal directions, the walls being spaced apart by tie rods. The structure further includes on at least one of its formwork surfaces a permeable structure for retaining ... | 02/17/2004 |
| 6675547 | Method for forming a head wall from an anchor pile and reinforcing member for said anchor pile structure The invention relates to the field of building and is applicable to retaining walls. The reinforcing element is characterized in that it consists in connecting the back face of the facing to the strong zone by means of a plurality of reinforcing elements ... | 01/13/2004 |
| 6672022 | Cable tray support system A raised floor system which includes a plurality of upright support columns, a plurality of floor panels, and a cable tray support assembly. The cable tray support assembly includes a plurality of support pedestals and a platform section. Each support ped... | 01/06/2004 |
| 6612086 | Grille systems A grille system comprising at least two rod arrangements 1a and at least one clamping member 12. The clamping member 12 retains the rod arrangements b 1a in a predetermined spacial configuration. Each rod arrangement 1a comprises a straight rod 2 having a... | 09/02/2003 |
| 6562738 | Apparatus for hiding a door key An apparatus for hiding a door key including a door mat formed of either a plastic material or braided material such as hemp is disclosed. The door mat is rectangularly shaped with raised portions formed on the top surface. Different embodiments are shown... | 05/13/2003 |
| 6470643 | Plastic lattice A molded plastic lattice simulates a lattice of separate superposed members. A first set of elongated members lies in one plane, with each of the members having a concave upper surface, a concave lower surface, and a pair of edges interconnecting the uppe... | 10/29/2002 |
| 6457282 | Resilient spherical structure of interwoven rings in tensile loading A skeletal structure is provided, including a plurality of preferably resiliently flexible rings, each ring passing through and thus being interwoven with immediately adjacent rings, preferably five, so that the rings collectively form a flexible mesh, th... | 10/01/2002 |
| 6443432 | Structures made of corrugated-like plastic & method of manufacture and use Fences and lattices are formed from a single sheet of corrugated-like plastic material comprising a pair of substantially flat sheets spaced apart by spacers that are in parallel and have the same width to form between the flat sheet a series of parallel ... | 09/03/2002 |
| 6367204 | Method and apparatus for decorating doors Apparatus for displaying images on doors especially sectional overhead garage doors comprises a lattice of interconnected horizontal and vertical members removably attached to each horizontal door panel. The horizontal members are looped around the top an... | 04/09/2002 |
| 6343452 | Tubular frame A tubular main frame (2) for an aeroplane, bridge, or pressure vessel, for example, comprises a honeycomb structure with cells (4) thereof distributed round the periphery of the frame and along the frame, the cells each being at least pentagonal, preferab... | 02/05/2002 |
| 6308487 | Plastic lattice A one piece molded plastic lattice simulates a lattice of separate superposed members. The lattice includes a set of continuous elongated members that lie in a plane. A second set of discontinuous elongated members intersects and interconnects the first s... | 10/30/2001 |
| 6293071 | Antiseismic spiral stirrups for reinforcement of load bearing structural elements The present invention refers to stirrups for reinforcement of load bearing structural elements, and in particular for reinforcing concrete load bearing building elements, such as columns, shear walls, beams, slabs, footings, lintels, piles. The invention ... | 09/25/2001 |
| 6286284 | Plastic lattice A one piece molded plastic lattice simulates a lattice of separate superposed members. The lattice includes a set of continuous elongated members that lie in a plane. A second set of discontinuous elongated members intersects and interconnects the first s... | 09/11/2001 |
| 6263629 | Structural reinforcement member and method of utilizing the same to reinforce a product A reinforcing grid which advantageously includes fibers of both a first type and a second type is provided. The first type of fibers have a strength sufficient to reinforce the hardenable structural material, such as concrete, after hardening. The first t... | 07/24/2001 |
| 6244013 | Combination grille for window A combination grille for window, which includes four hollow side frame bars arranged at four sides, and crossed hollow transverse frame bars and hollow longitudinal frame bars arranged within the side frame bars, and a plurality of sliding cover plates re... | 06/12/2001 |
