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| Number | Title | Issue Date |
| 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 |
| 7311466 | Apparatus and method for subgrade preparation A subgrade preparation apparatus for preparing a subgrade surface for concrete to be placed thereon includes a base unit positionable on a support surface adjacent to a targeted subgrade area, an extendable boom extending from the base unit, and a subgrade head asse... | 12/25/2007 |
| RE39834 | Apparatus and method for three-dimensional contouring A contouring device and method for contouring three-dimensionally curved surfaces includes an elongated contouring assembly that is supported at opposite ends by a pair of fluid cylinders. The fluid cylinders are controlled to raise and lower the ends of the contour... | 09/11/2007 |
| 7198429 | Segmented concrete screed A segmented concrete screed for screeding concrete on a concrete casting bed includes a plurality of individual screed units each of which may be raised and lowered independently of the others such that screeding operations may selectively bypass obstructions in the... | 04/03/2007 |
| 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 |
| 6953304 | Lightweight apparatus for screeding and vibrating uncured concrete surfaces A lightweight screeding apparatus for screeding and smoothing an uncured concrete surface includes a concrete surface working member, such as vibrating beam or member, and a grade setting device adjustably mounted to said vibrating beam. The screeding apparatus may ... | 10/11/2005 |
| 6860676 | Machine for leveling materials on the ground Machine to level materials on the ground, made up of an operative set which includes two parallel telescopic arms (4), which are incorporated in revolving disposition on a bearing structure (1), while on the end of the arms in articulated fastening a h... | 03/01/2005 |
| 6672797 | Linear transducer arrangement A transducer arrangement and method that generates control signals indicating relative positions of the ends of a hydraulically movable tool of a machine. The generated control signals of the present invention are used by a conventional control circuit of... | 01/06/2004 |
| 6302619 | Powered inertia propelled screed apparatus A powered inertia propelled screed for leveling, smoothing and spreading concrete having a power source, motor pulley, motor belt, power reduction pulley, power reduction belt, transfer axle, second power reduction pulley, continuous belt, irregular shape... | 10/16/2001 |
| 6264397 | Dual trowel blade assembly A trowel blade assembly for use with a rotary surfacing machine with the assembly consisting of a relatively thick, inflexible trowel blade and a relatively thin, flexible finish blade, wherein the latter is secured with respect to the former such that wh... | 07/24/2001 |
| 6227760 | Travel control device for vibrating plate compactor A travel control device for vibrating plate compactor which can easily switch the travel direction of a large sized compactor weighing more than 500 kg by a hydraulic pump circuit having a servo valve to supply pressure from outside for switching the trav... | 05/08/2001 |
| 6223495 | Vibrating screed with rollers A vibrating screed with rollers for use in leveling a concrete pour. The screed comprises an elongate screed member defining opposed first and second ends and extensible between a pair of screed rails. A first and second roller are rotatably mounted to th... | 05/01/2001 |
| 6183160 | Screeding apparatus and method incorporating oscillating attachment A screeding assembly and method is disclosed for spreading, grading, consolidating and smoothing loose or plastic material such as poured, uncured concrete when the assembly moved over an area of the material. The assembly includes a rotatable auger to mo... | 02/06/2001 |
| 6152647 | Screeding method incorporating oscillating member A screeding assembly and method is disclosed for spreading, grading, consolidating and smoothing loose or plastic material such as poured, uncured concrete when the assembly moved over an area of the material. The assembly includes a rotatable auger to mo... | 11/28/2000 |
| 6129481 | Screed assembly and oscillating member kit therefor A screeding assembly and method is disclosed for spreading, grading, consolidating and smoothing loose or plastic material such as poured, uncured concrete when the assembly moved over an area of the material. The assembly includes a rotatable auger to mo... | 10/10/2000 |
| 6022171 | Apparatus and method for preparing a site and finishing poured concrete A site preparation/concrete finishing apparatus for operation in an area having a base surface above which concrete reinforcing elements have been positioned prior to pouring of concrete within the area and for use in finishing concrete poured within the ... | 02/08/2000 |
| 5967695 | Vehicle for repairing road surfaces A vehicle for repairing a damaged road surface by filling depressions within the road surface with a filling material has, in a direction of travel, a heating and scraping unit for removing excess road surface material from the road surface. It further ha... | 10/19/1999 |
| 5779390 | Device for levelling a layer of sand A device for levelling a sand layer (1) at the landing place of various jumping events, which device includes rails (2) on either side of the sand layer and a trolley (3) travelling back and forwards on them, which in turn includes at least a rake member ... | 07/14/1998 |
| 5328295 | Torsional automatic grade control system for concrete finishing A torsionally stabilized automatic grade control system for finishing plastic concrete is capable of controlling a variety of different elongated, multi-section concrete finishing tools such as a vibratory screed or the like, with or without forms. Skis t... | 07/12/1994 |
| 5281050 | Power screed A power screed for striking off concrete or other substances using rods which reciprocate along their long axes at between about one and one hundred cycles per second, inclusive. The rods may be adapted to individual jobs from standard dimensioned lumber ... | 01/25/1994 |
| 5224793 | Screeding apparatus A self-propelled screeding apparatus for uncured concrete or the like includes a frame, propulsion means for the frame, a telescoping boom including at least one longitudinally slidable member and hydraulic means to move the latter with respect to the fra... | 07/06/1993 |
| 5061115 | Adjustable automatic floating trowel apparatus for slip forming machines An attachment for a slip forming paver for automatically finishing concrete surfaces which includes an elongated concrete smoothing trowel member. A mechanism is provided for oscillating the trowel member back and forth along its longitudinal axis and inc... | 10/29/1991 |
| 4869618 | Distributor for concrete screed, and screed assembly comprising same A distributor frontally mountable on a screed to minimize or eliminate the manual distribution and leveling of freshly poured concrete which is otherwise required prior to screeding. The distributor comprises a rotatable body bearing an array of circumfer... | 09/26/1989 |
| 4838730 | Portable screed with floating screed plate A portable screed for working concrete and having an elongated screed plate which has a flat bottom bearing surface and a width sufficient to permit the screed to float on the concrete while the screed is being guided by an operator. For imparting uniform... | 06/13/1989 |
| 4798494 | Floating vibrational screed A vibrating screed for striking off, float finishing and vibrating plastic concrete in a single pass, without being supported upon forms. A rigid, buoyant pan which floats and supports the screed comprises a generally planar surface portion in contact wit... | 01/17/1989 |
| 4752156 | Laser-guided portable screed A system for facilitating leveling of a screed as the screed is being drawn across freshly-poured concrete. The system includes a stationary signal transmitter which is separate from the screed and which generates a planar leveling signal. Mounted on the ... | 06/21/1988 |
| 4708520 | Concrete finishing machine with adjustable auger unit A concrete finishing machine includes two finishing cylinders with two augers mounted in line with the two cylinders, forward ends of the augers being suspended by a frame which is pivotally attached to the cylinder support frame and rearward ends of the ... | 11/24/1987 |
| 4685826 | Vibratory screed including a laterally displaceable oscillating strike-off A vibratory concrete screed includes a frame having first and second ends and a length equal to or greater than the width of plastic concrete to be finished. A screed blade is coupled to the screed frame and engages the full width of the plastic concrete.... | 08/11/1987 |
| 4648741 | Vibratory screed including a spreading device for leveling and distributing plastic concrete in front of the screed A vibratory concrete screed includes a frame and a substantially horizontal screed blade. A pair of end-mounted winches advance the screed along concrete forms into an area of unfinished plastic concrete. A concrete spreading device is translated back and... | 03/10/1987 |
| 4641995 | User-mounted concrete screed A portable screed for working concrete and which is mounted on the user. The screed includes a variable length screed plate, a vibrator for the screed plate, a frame attached to the screed plate, a body harness connected intermediate the ends of the frame... | 02/10/1987 |
| 4614486 | Portable apparatus for compacting and leveling a poured floor A machine for compacting and leveling a poured floor covering. The machine includes a frame having a pair of side members and a pair of parallel, ground engaging, cylindrical rollers rotatably supported on the side members and supporting the frame for mov... | 09/30/1986 |
| 4591291 | User-mounted concrete screed A portable screed for working concrete and which is mounted on the user. The screed includes a variable length screed plate, a vibrator for the screed plate, a frame attached to the screed plate, a body harness connected intermediate the ends of the frame... | 05/27/1986 |
| 4586889 | Concrete-finishing machine A concrete-finishing machine has a drive horse, a slave horse, and a bridge-like truss selectively connectable to, or separable from, those horses at different levels so those horses can roll along surfaces at the same level or at distinctly-different lev... | 05/06/1986 |
| 4470783 | Apparatus for screeding and leveling An apparatus for screeding and leveling coverings and coatings compounded with a binding agent, more specially a synthetic resin binding agent, is made up of a front straight edge for leveling and a back straight edge for screeding, the two straight edges... | 09/11/1984 |
| 4465397 | Track surface laying To lay a running track, a resilient particulate material is spread over a substrate of a given width. Pressure is applied individually downwardly on the material over a plurality of respective segments of the width, as the material is smeared over and amo... | 08/14/1984 |
| 4427358 | Sectional concrete screed machine A knock-down vibrating concrete screed comprises elongate screed units attachable end-to-end in a longitudinally extending row to provide a screed of desired length. Ones of the screed units each comprise an elongate frame unit movable transversely over t... | 01/24/1984 |
| 4412803 | Adjustable support bracket for concrete finishing equipment A laterally and vertically adjustable support bracket can be coupled to an end of concrete finishing equipment such as a vibratory concrete screed to permit the equipment to be operated on a concrete surface which includes obstructions extending verticall... | 11/01/1983 |
| 4408978 | Advancement apparatus for concrete screed An apparatus for automatically advancing a concrete screed as the screed tamps and levels concrete. The apparatus includes cable reeling means attached to either end of the concrete screed for winding a drive cable. The drive cable is adapted for attachme... | 10/11/1983 |
| 4345852 | Leveling device for asphalt finisher A leveling device for an asphalt finisher or the like including a pair of screeds disposed at front and rear portions of the device on auxiliary frames which are slidably coupled to a main frame. The main frame is pivotably mounted to a pair of supporting... | 08/24/1982 |
| 4340351 | Vibratory concrete screed with eccentric drive shaft A light-weight, portable and sturdy vibratory concrete screed which may be fabricated in modular fashion from a plurality of interconnected, separable frame units. A framework is provided, having a series of spaced, parallel unitary frame members of trian... | 07/20/1982 |
