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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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| Application No. | Application Title | Issue Date |
| 20120128420 | SCREED DIE PIVOT REMOVAL SYSTEM The screed box (12) rides coplanar to the road surface (14) by pivoting independently of the thermo striper machine (16). This allows the user to create more uniform lines and reduces unsightly pooling of thermoplastic caused by “rocking” of the... | 05/24/2012 |
| 20120045282 | ROLLER SCREED WITH DUAL-DRIVE POWER UNIT A powered roller screed (366) is disclosed, that uses a dual-drive power unit (370) and a screed roller (368). A power source (372) of the dual-drive power unit (370) includes a first drive output (374) and a second drive output... | 02/23/2012 |
| 20110318102 | PROCESS FOR PRODUCING A ROAD COVERING, FEEDER, ROAD PAVER AND PAVING TRAIN A process for producing an asphalt layer in which material with properties that deviate from predetermined requirements is specifically homogenized, and a paving train (10), a road paver (12) and a feeder (14) for carrying out the process.... | 12/29/2011 |
| 20110311309 | Blade attachment for motor grader A wing blade attachment for a motor grader used to maintain unimproved rural roads. The wing blade attachment mounts to a trailing end of a main motor grader blade and swings up and down into ground scraping contact in order to create water drainage passages through the... | 12/22/2011 |
| 20110305509 | SCREED ARRANGEMENT FOR A ROAD FINISHER The invention relates to a screed arrangement for a road finisher with a basic screed and two extending screeds arranged in front of the basic screed in the laying direction of travel of the road finisher and movable transversely to the laying direction of travel relati... | 12/15/2011 |
| 20110299924 | Apparatus and Method for Applying Additives to a Concrete Mix The apparatus and method comprise a concrete float with a vibratory additive broadcaster assembly attached therewith. The broadcaster assembly is suspended above the plane of the finishing tool with a vibratory source attached. The broadcaster assembly is filled with an... | 12/08/2011 |
| 20110250016 | ASPHALT REPAIR SYSTEM AND METHOD A multipurpose asphalt processor and method for repairing damaged asphalt. The asphalt processor may be used to both till and screed asphalt surfaces. The asphalt processor may include a powered shaft having a plurality of tines extending therefrom. The outermost tines ... | 10/13/2011 |
| 20110243662 | Road Repair Tractor A road repair tractor adapted for smoothing asphalt that has been laid into a work-trench, dug in a roadway. The tractor includes a body supporting an engine and defining a cockpit. Also, laterally spaced first and second support and motive force assemblies are operativ... | 10/06/2011 |
| 20110217121 | LEVELING BLADE, VIBRATING SCREED INCLUDING THE BLADE, AND KIT FOR ASSEMBLING THE SAME A leveling blade for mounting onto a support bracket of a vibrating screed, and a vibrating screed including the same. The leveling blade has a substantially vertical portion for mounting onto the support bracket, as well as a substantially slanted portion and a substan... | 09/08/2011 |
| 20110211910 | LEVELING BLADE, VIBRATING SCREED INCLUDING THE BLADE, AND KIT FOR ASSEMBLING THE SAME A leveling blade mounts onto a support bracket of a vibrating screed, and a vibrating screed includes the same. The leveling blade has a substantially vertical portion for mounting onto the support bracket, as well as a substantially slanted portion and a substantially ... | 09/01/2011 |
| 20110188930 | POWERED ROLLER SCREED WITH CURB ATTACHMENT A powered roller screed with a curb attachment is disclosed. The powered roller screed may include a screed roller that is offset (e.g., vertically) from one or more curb rollers used by the curb attachment. In one embodiment, the amount of offset between the screed rol... | 08/04/2011 |
| 20110164923 | APPARATUS FOR SCREEDING UNCURED CONCRETE SURFACES A wheeled screeding device is movable over a surface of uncured concrete and is operable to level and smooth the uncured concrete surface. The wheeled screeding device includes a wheeled support having a frame portion supported by at least one wheel, with the wheel defi... | 07/07/2011 |
| 20110123269 | Screed Plate An improved screed plate having a top surface, a bottom surface, a curved leading edge and a trailing edge adapted for attaching to a screed of a paving machine is disclosed. The improved screed plate comprises a tapered groove extended from the curved leading edge towa... | 05/26/2011 |
| 20110123267 | METHOD FOR LAYING DOWN A PAVEMENT, A SCREED AND A ROAD PAVER In a method for laying down a pavement consisting of paving material with a screed of a road paver, in which a compaction unit, particularly a tamper, pre-compacts the paving material at cyclical work cycles with selectable stroke and selectable frequency while the pave... | 05/26/2011 |
| 20110097150 | SCREED WORKING APPARATUS A screed working apparatus comprising a frame adapted to be mounted on a vehicle, a first elongate beam being mounted on said frame to extend transverse to the normal direction of movement of the apparatus for levelling for levelling loose or plastic materials, wherein ... | 04/28/2011 |
| 20110091278 | SCREED FOR ROAD FINISHING MACHINE In a screed with a basic screed and at least one extendable screed movable relative to the basic screed with a hydraulic cylinder and an electro-hydraulic control comprising a magnet-actuated directional control valve for at least controlling the direction of the hydrau... | 04/21/2011 |
| 20110091277 | Concrete screed apparatus A concrete screed apparatus is provided which may be used by a pair of workers, each of whom has the screed apparatus mounted to one of their legs or feet. The screed apparatus enables concrete to be easily screeded and properly finished without the workers doing the sa... | 04/21/2011 |
| 20110044758 | Method for Producing a Road Surface, Preferably a concrete road surface, and road paver In the production of road surfaces of asphalt and concrete (33), it has been necessary hitherto to use different road pavers, which requires additional complexity, in particular when a wearing course (32) of concrete (33) is to be applied to a base ... | 02/24/2011 |
| 20110044757 | Concrete screed with angularly positionable rake guide A floating screed device includes: an elongated float, rigid and spaced-apart rods with the tops thereof defining a planar region having a planar bottom for floating on plastic concrete, a device coupled to the float to determine elevation thereof relative to a target e... | 02/24/2011 |
| 20110002738 | DEVICE FOR COMPACTING ROAD PAVING MATERIALS The invention relates to a device for compacting road paving materials, comprising a screed board which is fastened on a road finisher and extends at a right angle to the direction of travel of the road finisher and a tamper that is mounted in front and/or behind the sc... | 01/06/2011 |
| 20110002737 | DEVICE FOR COMPACTING ROAD PAVING MATERIALS The invention relates to a device for compacting road paving materials, comprising a screed board which is fastened on a road finisher and extends at a right angle to the direction of travel of the road finisher and a tamper that is mounted in front and/or behind the sc... | 01/06/2011 |
| 20100296866 | PAVER AND METHOD In a paver F comprising a combustion engine M, in particular a diesel engine, of a primary driving aggregate P, functional units having hydraulic pumps 23, 30 to 33 inclusive a travel pump aggregate 23 which can be driven by the combustion engine M ... | 11/25/2010 |
| 20100296868 | ROAD PAVER A road paver F having a primary driving aggregate P with a combustion engine M, particularly a diesel engine, the crankshaft 22 of which extends to a power output region within a casing 20 of a clutch and/or a flywheel. A generator R is driven by the prima... | 11/25/2010 |
| 20100284742 | Hydraulic Control Arrangement for the Screed of a Road Finisher A hydraulic control arrangement for activating a double-acting actuating cylinder, which is connected on the piston side to a road finisher and on the piston-rod side to a screed of the road finisher, is provided. The hydraulic control arrangement includes a supply conn... | 11/11/2010 |
| 20100226718 | Obergfoll concrete screed level Today's process of screeding, or evening out, wet concrete is an inefficient and arduous system requiring two (or more) men, a 2×4 wooden beam, and wooden forms to level the surface of wet concrete. The Obergfoll Concrete Screed Level, or “OCSL,” allows a single pe... | 09/09/2010 |
| 20100221067 | POWERED SCREED AND METHOD OF OPERATING A lightweight, powered screed machine for screeding the surface of a quantity of concrete having a pair of rails extending to either side, includes a frame having a handle arrangement, for manual engagement by an operator, and an elongated screed blade extending between... | 09/02/2010 |
| 20100209190 | PAVING SCREED In a paving screed E for a road paver F, the paving screed E comprises a base screed G and extension screeds A at the front side of the base screed, the extension screeds A being extendable and retractable and pivotable relative to the base screed G, a base guiding stru... | 08/19/2010 |
| 20100202831 | Adjustable screed An improved screed for contouring cementitious material around a central drain is described. The screed includes a drain pivot element adapted and constructed to be rotatably secured in a drain depression. An elongated material contact element adapted and constructed to... | 08/12/2010 |
| 20100189499 | Concrete screed with pivoting leading - edge blade for angular positioning thereof A floating screed device has a first section for cutting through plastic concrete and a second section for floating on the plastic concrete. The two sections are pivotally coupled for rotational movement about a pivot point. Elevation of the second section is measured a... | 07/29/2010 |
| 20100183370 | POWERED ROLLER SCREED WITH RISER WHEEL A rotating cylinder cement screeding system having a drive assembly and handle at one end for powering and controlling the screeding system. The rotating cylinder may be defined by one or more tubular screed roller sections of varying lengths, thereby allowing a user to... | 07/22/2010 |
| 20100150650 | METHOD FOR LAYING A PAVING MAT According to a method for laying a paving mat with a paving screed, the paving mat comprising a lane and a downwardly inclined slope beginning at a transition to the outside, the paving screed comprising a base screed and at least one extension screed which is extendabl... | 06/17/2010 |
| 20100150651 | PAVING SCREED AND A METHOD FOR LAYING A PAVING MAT A paving screed comprises a base screed and extension screeds each of which is support via an extension guiding structure at a guidance fixed in the base screed such that each extension screed can be extended and retracted. A multiple point suspension is provided betwee... | 06/17/2010 |
| 20100129153 | VIBRATION REDUCING LINK FOR VIBRATING SCREED A vibrating screed for surfacing concrete includes a surfacing blade, a vibration-causing assembly, a steering assembly with a handle assembly and a grip member in communication with the hand assembly. A vibration reducing link is disposed between the grip member and th... | 05/27/2010 |
| 20100098489 | PREFORMED SCREED SYSTEM The present disclosure relates to a system comprising preformed screed elements, which can be made of any suitable material, but is particularly adapted to being formed from a cementitious material. Alternative materials from which the screed elements can be formed incl... | 04/22/2010 |
| 20100080655 | ROAD PAVER A road paver F has a paving screed E the working width of which can be adjusted continuously. In order to further enlarge the working width in steps at least one paving screed extension can be mounted. A distributing auger is supported in a distributing auger support. D... | 04/01/2010 |
| 20090257825 | Heating Control System for A Screed A control system for heating a screed assembly of a paving machine is provided. The control system includes a plurality of resistive heating elements positioned adjacent to a screed plate of the screed assembly. An electrical power supply is selectively connected with t... | 10/15/2009 |
| 20090252554 | ROLLER SCREED WITH DUAL-DRIVE POWER UNIT A powered roller screed (366) is disclosed, that uses a dual-drive power unit (370) and a screed roller (368). A power source (372) of the dual-drive power unit (370) includes a first drive output (374) and a second drive output... | 10/08/2009 |
| 20090226257 | SCREED SYSTEM A screed rail system for placing uncured concrete includes a pair of rails positioned to lie spaced-apart and parallel to one another and a screed plate supported between the rails to move along the rails to form a final grade level of uncured concrete in a work area.... | 09/10/2009 |
| 20090202299 | Concrete screed with vertically adjustable gate A floating screed device has a first section for cutting through plastic concrete and a second section for floating on the plastic concrete. The first and second sections are coupled together by a mechanism that moves the first section relative to the second section in ... | 08/13/2009 |
| 20090178288 | Bed-depth gauge A bed-depth gauge consists of a guide member, a screed member, and means for assembling them for relative movement, for effective depth adjustment, in a vertical direction that is generally perpendicular to a bottom edge of the screed member. The guide member has a pair... | 07/16/2009 |
