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| Number | Title | Issue Date |
| 7909533 | Apparatus for screeding uncured concrete surfaces A wheeled screeding device includes a wheeled support having a frame portion supported by at least one wheel, with the at least one wheel defining an axis of rotation. A screed head is mounted to the frame portion and is balanced such that the screed head is at leas... | 03/22/2011 |
| 7686538 | Portable vibratory screed with bubble vial inclination indication system A portable vibratory screed includes a blade that is connected to a handle constructed to be manipulated by an operator. Nodes of minimum vibrational amplitude are formed at specific locations along the length of the blade when the exciter is driven at a rated opera... | 03/30/2010 |
| 7572082 | Bearings for the vibration-causing assembly of a vibrating screed A vibrating device for surfacing concrete comprising a surfacing blade, a vibration-causing assembly in communication with the surfacing blade and an actuator in communication with the vibration-causing assembly for imparting a vibratory motion to the blade. The vib... | 08/11/2009 |
| 7549822 | Seal member for a vibrating screed A vibrating device for surfacing concrete comprising a surfacing blade, a vibration-causing assembly in communication with the surfacing blade and an actuator in communication with the vibration-causing assembly so as to cause the vibration-causing assembly to impar... | 06/23/2009 |
| 7540688 | Breakdown screed plate A screed assembly includes a screed plate, a console assembly, and a first and second handles. The various components of the screed assembly are attached to one another with quick connect mechanisms so that they can be disassembled for cleaning and transport and rea... | 06/02/2009 |
| 7465121 | Vibrating concrete hand trowel A hand trowel for vibrating concrete in order to smooth the concrete. The trowel has a blade, a handle mounted on the blade, and electrical components including a motor inside the handle. When the switch is turned on, the motor causes the handle to vibrate, which in... | 12/16/2008 |
| 7407339 | Powered strike-off plow A wheeled strike-off apparatus is movable over a surface of uncured concrete or subgrade materials and is operable to establish a desired grade of the uncured concrete surface or subgrade surface. The apparatus includes a wheeled support and a plow assembly. The plo... | 08/05/2008 |
| 7357597 | Concrete screed with movable leading edge A floating screed device has an elongated float and an elongated blade movably coupled to the elongated float so that the blade is freely movable in pitch. ... | 04/15/2008 |
| 7357596 | Concrete screed with movable leading edge A floating screed device has an elongated float and an elongated blade movably coupled to the elongated float so that the blade is movable in pitch. ... | 04/15/2008 |
| 7320558 | Apparatus for screeding uncured concrete surfaces A screeding apparatus and method for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partiall... | 01/22/2008 |
| 7316524 | Tamping device A tamping device for tamping of asphalt or stone includes a motor being coupled to a drive shaft. The motor rotates the drive shaft when the motor is actuated. A sleeve is coupled to the motor. The drive shaft extends through the sleeve. A transmission housing is co... | 01/08/2008 |
| 7316523 | Acoustically matched method and apparatus for screeding concrete Methods and apparatus for screeding freshly placed concrete in which the acoustic impedance of the treating equipment is made substantially equal to the acoustic impedance of the concrete slab. Portions of the screed contacting the plastic concrete are matched to an... | 01/08/2008 |
| 7293938 | Breakdown screed plate A screed assembly includes a screed plate, a console assembly, and a first and second handles. The various components of the screed assembly are attached to one another with quick connect mechanisms so that they can be disassembled for cleaning and transport and rea... | 11/13/2007 |
| 7261717 | Methods and devices for delivering orthopedic cements to a target bone site Methods and devices are provided for delivery an orthopedic, e.g., calcium phosphate cement to a target bone site. In practicing the subject methods, a flowable cement composition is delivered to a target bone site in conjunction with vibration. Also provided are th... | 08/28/2007 |
| 7252456 | Portable form and method for using same for concrete strike-off A form for concrete strike-off includes a pan adapted to float on a plastic concrete surface, a rigid straightedge, and a support. The straightedge is coupled on one end to the pan and the support is coupled to the opposing end of the straightedge with the straighte... | 08/07/2007 |
| 7252120 | Powder feed apparatus, system and method A powder feed apparatus and method for increasing the rate of flow of powder fed through a powder feed system to a powder press. The apparatus includes a housing having a powder feed chamber, with a powder ingress opening and a powder egress opening, and at least on... | 08/07/2007 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7204657 | Lightweight self-leveling automatic screed apparatus A lightweight one man screed apparatus to automatically strike off and level uncured concrete flatwork, includes a tri-pod framework beneath which a cutting/leveling member operates. The apparatus is controlled by two grade setting devices, adjustably mounted to the... | 04/17/2007 |
| 7204659 | Screed bar for vibratory screed A screed bar for a vibratory concrete screed is formed from a long hollow extrusion having generally flat enclosing walls and defining in cross section two triangular sections that share a common interior wall. ... | 04/17/2007 |
| 7201537 | Concrete screed with vibration isolation A vibratory concrete screed includes a vibration isolation system that minimizes the transmission of vibrations to the operator under normal operating conditions, but becomes more rigid during screed control forces applied to the blade through the isolation system w... | 04/10/2007 |
| 7182549 | Method and device for leveling of a surface The invention relates to a method for smoothing or leveling a ground surface, wherein a smoothing or leveling material is laid on a ground surface in that a box-like device filled with material is moved forwards, the material being allowed to exit a plate-adjustable... | 02/27/2007 |
| 7175363 | Apparatus and method for improving the control of a concrete screed head assembly A soft landing control system for a screeding device is operable to automatically lower a vibrating member of a screed head assembly into engagement with a concrete surface at a time and place where the vibrating member is not positioned over an overlap area of alre... | 02/13/2007 |
| 7175365 | Portable vibratory concrete screed A portable vibratory concrete screed is described. The screed includes a screed blade including a flat bottom surface extending between a front edge of the screed blade and a rear edge of the screed blade. The screed also includes a vibrator cartridge assembly, with... | 02/13/2007 |
| 7155847 | Snow removing machine A snow removing machine including a control unit for controlling lifting and lowering of an auger housing by an electrohydraulic cylinder. The control unit has the functions of presetting per-unit-time lifting and lowering distances as constants; setting the lowest ... | 01/02/2007 |
| 7156577 | Concrete finishing tool with handle-mounted vibrating arrangement A vibratory concrete finishing tool includes an elongated handle formed with a cylindrical configuration having an uppermost end and a lowermost end. A concrete working device has a planar bottom surface adapted to engage a wet concrete surface, and a receiver for r... | 01/02/2007 |
| 7153058 | Apparatus for finishing concrete A vibratory screed apparatus includes a vibrator, a screed, and a coupler for coupling the vibrator to the screed. The vibratory screed apparatus may be provided as a concrete-finishing kit which is capable of being assembled and disassembled in the field. A number ... | 12/26/2006 |
| 7144191 | Apparatus and method for three-dimensional contouring A contouring machine control system, contouring/smoothing method, and kit for enabling a contouring machine to automatically contour three-dimensional surfaces includes a contouring member, such as a screed or dirt grading blade, a target either attached to the cont... | 12/05/2006 |
| 7121763 | Folding end gate for screed assembly An end gate assembly for a screed for a paving machine, where the screed is provided with a screed hinge component, includes a frame having a frame hinge portion that is adapted to mate with the screed hinge component to form a hinge having a hinge axis about which ... | 10/17/2006 |
| 7121761 | Paved surface configured for reducing tire noise and increasing tire traction and method and apparatus of manufacturing same A paved surface configured for reducing tire noise and increasing tire traction on the paved surface and to a method and apparatus for manufacturing such a paved surface. The paved surface includes grooves in the traffic bearing surface that are substantially neithe... | 10/17/2006 |
| 7121762 | Apparatus for screeding uncured concrete surfaces A screeding apparatus for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partially supports ... | 10/17/2006 |
| 7107711 | Tool mounting device The current invention describes a tool mounting device that permits a rotating attachment of a tool to an excavator arm in such a way that the tool can be used for work in relatively small work spaces, independent of the alignment of the excavator arm and the excava... | 09/19/2006 |
| 7108451 | Rotating concrete finishing trowel A rotary cement or concrete finishing trowel has an operating head at one end of the apparatus that includes at least one cement finishing blade rotatably mounted for movement in a horizontal plane for smoothing a concrete floor surface. A drive motor, e.g., a 2-cyc... | 09/19/2006 |
| 7097384 | Universal power unit that adapts to all phases from placing to final finishing of concrete A vibratory power unit (10, 210) having small gasoline engine (12) coupled by a drive shaft (15) extending through a semi-rigid shaft case (16, 18, 20) to an eccentric (75) rotating with the aid of sealed bearings (74, 78) w... | 08/29/2006 |
| 7052204 | Portable vibratory screed with vibration restraint A portable vibratory screed machine is provided with a vibration restraint operable to reduce undesirable vibration of the engine and to extend the life of the engine. The portable vibratory screed machine includes a machine frame having a reference structure. The m... | 05/30/2006 |
| 7044681 | Apparatus and method for improving the control of a concrete screed head assembly A soft landing control system for a screeding device is operable to automatically lower a vibrating member of a screed head assembly into engagement with a concrete surface at a time and place where the vibrating member is not positioned over an overlap area of alre... | 05/16/2006 |
| 7037028 | Security barrier A security barrier includes a horizontal composite beam extending across a roadway is mounted between vertical posts at either end of the beam. Hydraulic cylinders fastened at each beam end and to the vertical posts cause the beam to be raised and lowered, as needed... | 05/02/2006 |
| 7029072 | Modified rumble strip cutter A rumble strip cutting machine having a drum that can be shifted from one side of the machine to the other. The machine includes a piston wheel that imparts an up and down motion to the frame so that rumble strips can be cut at desired intervals as the machine is dr... | 04/18/2006 |
| 7018132 | Rotating concrete finishing trowel A rotary cement or concrete finishing trowel has an operating head at one end of the apparatus that includes at least one cement finishing blade rotatably mounted for movement in a horizontal plane for smoothing a concrete floor surface. A drive motor, e.g., a 2-cyc... | 03/28/2006 |
| 7018133 | Concrete finishing screed A cement finishing screed is provided which comprises a frame member extending a length of the screed. The frame member includes a first lower beam member, a second lower beam member, an upper beam member, and a plurality of truss members securing the first and seco... | 03/28/2006 |
| 6988851 | Concrete screed with vibration isolation A vibratory concrete screed includes a vibration isolation system that minimizes the transmission of vibrations to the operator under normal operating conditions, but becomes more rigid during screed control forces applied to the blade through the isolation system w... | 01/24/2006 |
