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| Number | Title | Issue Date |
| 8186762 | Cutting trolley with a front and a rear attachment device A cutting trolley having a frame structure and at least two rear wheels on a rear shaft and at least one front wheel, for a cutter of the type that includes a front handle, a rear handle, and a circular cutting blade in the front end of the cutter. The trolley also ... | 05/29/2012 |
| 7967391 | Saw and water combination system A saw and water dispensing combination system includes a handsaw that includes a motor, a handle attached to the motor, and a blade mechanically coupled to the motor that is rotated when the motor is turned on. The blade is configured to cut through cement blocks. A... | 06/28/2011 |
| 7909410 | Roofing saw A roofing saw assembly and corresponding method of use for cutting into a roof a predetermined depth. The saw assembly may or may not include the saw itself. But it otherwise includes a frame having a base and a handle. Front and rear wheel sets are carried on the f... | 03/22/2011 |
| 7703856 | Manhole cover frame removal saw A manhole cover frame removal apparatus has a ring-shaped base with a circular track thereon and a saw mounting framework disposed atop the base. Rollers allow the saw mounting framework to advance in rotation about aligned vertical axes of the frame and the base. A... | 04/27/2010 |
| 7686402 | Machine for machine working the ground The invention concerns a ground-machining machine (100) comprising: a secondary chassis (104) able to move in translation with respect to the ground (118); a main chassis (106) carrying ... | 03/30/2010 |
| 7497522 | Pavement saw with self-leveling operator handle and depth control system A pavement cutting tool wherein the pitch of the handles relative to the ground surface is relative to, and interlinked, to the pitch of the connected saw blade, so that as the saw blade is raised and/or lowered into the surface to be cut, the handles remain at a pr... | 03/03/2009 |
| 7434889 | Self-propelled concrete saw with forward motion speed control system The present invention provides a forward motion speed control system for a self-propelled concrete saw, a self-propelled concrete saw equipped with a forward motion speed control system and a method of controlling the forward motion speed of a concrete saw during a ... | 10/14/2008 |
| 7422292 | Isolation system for movable saws, including a concrete saw A movable machine such as a concrete saw has an isolator or other damping element between the working tool portion of the machine and the supporting structure, such as a frame, chassis or other structure. The working tool portion of the machine may include a tool an... | 09/09/2008 |
| 7337037 | Controlled wall saw and method for controlling the wall saw A control wall saw includes a guide rail (2) securable on a to-be-cut wall (7), a saw head (3) displaceable along the guide rail (2), a rotary drive, a pivotally adjustable saw arm (4) on a radially end of which a rotatably driven,... | 02/26/2008 |
| 7308892 | Method and apparatus for forming cracks in concrete A method of forming at least one crack (11) in a concrete article such as a concrete slab (10) having at least one crack promoting groove (28) formed in the surface (25) thereof and/or at least one crack promoting insert (12) cast ... | 12/18/2007 |
| 7287818 | Vertical milling apparatus for a paved surface A vertical milling apparatus for a paved surface has a rotary degradation element which has a top end connected to a carrier. The carrier is slideably attached to an underside of a motorized vehicle, and adapted to traverse the paved surface. The rotary degradation ... | 10/30/2007 |
| 7241211 | Guard for a moving tool Abrading and cutting devices such as saws include waste containment systems and methods to improve removal of slurry or other contaminants from a work area during operations, and separation of slurry from a carrying medium such as air. A blade guard includes fluid c... | 07/10/2007 |
| 7235003 | Method and apparatus for grinding of concrete floors A method for dry finishing of a floor surface consisting of concrete, stone, marble, terrazzo, densite or other hard materials is disclosed. The method comprises finishing of the floor surface using a cutting, grinding and/or polishing tool. In the method, a vapor o... | 06/26/2007 |
| 7223049 | Apparatus, system and method for directional degradation of a paved surface An apparatus, system and method for directionally degrading a paved surface. A substantially cylindrical rotary tool may include cutting inserts embedded within its cylindrical surface. The tool may be rotated about a rotational axis extending from a top end of the ... | 05/29/2007 |
| 7222924 | Track system for a ground engaging vehicle A track system for a ground engaging vehicle such as a tractor is provided. Track systems shown include the ability to maintain existing gear ratios and vehicle speed when interchanging wheels with track systems as described above. Embodiments shown also exhibit imp... | 05/29/2007 |
| 7222618 | Concrete cutting saw A saw for cutting a surface with a rotatable blade. The saw includes a rotary motor having a rotatable rotor and a rotatable output shaft. A rotatable blade mounting member is operatively coupled to the output shaft of the rotary motor such that rotation of the outp... | 05/29/2007 |
| 7198332 | Device for producing a gas-liquid mixture in the vicinity of cutting tools In a device for producing a gas-liquid mixture and, in particular, air-water mixture in the region of cutting tools, particularly chisels, arranged on at least one cutter head (10) rotationally mounted on a cutter arm (5) of a cutting machine (1... | 04/03/2007 |
| 7144087 | Systems and methods for milling paving material with increased stability, support, and power Systems and methods for milling paving material. A self-powered milling system includes a cutting head to mill the paving material. The cutting head is powered by a milling system motor that speeds up production and enables the milling of very thick asphalt in a sin... | 12/05/2006 |
| 7144311 | Foot unit for abrasive cutting-off machine The invention described here entails a work device (such as an abrasive cutting-off machine) that can be comfortably guided in a work position and is stable in a turned-off position without components relative to safety being exposed to increased wear. In particular... | 12/05/2006 |
| 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 |
| 7117864 | Mobile road or floor saw A floor or road saw that includes a multi-speed transmission that includes a neutral position. The transmission does not require the use of belts, polychains or clutches that require regular maintenance and/or replacement. Moreover, the transmission of the saw may b... | 10/10/2006 |
| 7114494 | Fluid pickup assembly and blade guard for a pavement treatment apparatus Abrading and cutting devices such as saws include waste containment systems and methods to improve removal of slurry or other contaminants from a work area during operations, and separation of slurry from a carrying medium such as air. A blade guard includes fluid c... | 10/03/2006 |
| 7073495 | Method and apparatus for cleaning concrete during cutting A concrete cutting saw has wheels and a rotating cutting blade that cuts a groove in the concrete surface. A support is mounted to the saw to support the concrete surface adjacent the cutting blade to reduce raveling. One or more nozzles are mounted to the saw and i... | 07/11/2006 |
| 7073975 | Slot cutting apparatus and method An apparatus for cutting slots in pavement has a slot cutting assembly with several pairs of rotating blades mounted to a vehicle and vertically adjustable relative to the vehicle. A lift system moves the vehicle between a first position wherein the lift is not enga... | 07/11/2006 |
| 7055650 | Saw accessory for aerial work platform A wall saw accessory is provided for an aerial work platform, where a wall saw is movably affixed on a track secured to a wall to be sawed. The accessory includes a saw/track manipulator fixable to the aerial work platform. The saw/track manipulator movably supports... | 06/06/2006 |
| 7000605 | Engraver apparatus and method A concrete engraver apparatus including a carrier for use with a hand-held engraver. The hand-held engraver is detachably mounted to the carrier. The carrier has wheels and a handle attached to an enclosure. The enclosure includes a vacuum mount for attaching a vacu... | 02/21/2006 |
| 6997175 | Portable apparatus for working, shaping and polishing stone and other hard materials A wheeled trolley carries various tools across an object to be worked. A track attaches directly to the work and simultaneously isolates the tool from the work. A standard connection to the trolley readily accommodates a variety of diverse tools, using a keyway or t... | 02/14/2006 |
| 6981494 | Telescoping guide for a concrete saw A telescopic guide for a concrete saw includes a plurality of sleeves, a wheel and mounting plate. ... | 01/03/2006 |
| 6945608 | Power take off assembly, drive assembly and saw using power take off assembly A power takeoff assembly, a drive assembly, a saw and a kit for a saw include a drive plate and drive shaft, for example for mounting to a fly wheel, and a bell housing for mounting to an engine block and for supporting a sheave. The sheave rotates on bearings suppo... | 09/20/2005 |
| 6935703 | Concrete cutting saw having high and low speed blade arbors A concrete cutting saw (10) includes a wheeled main frame (12) on which a blade support frame (14) is mounted for movement between upper idle and lower cutting positions. Low and high speed blade arbors (16, 18) are rotatably mounted on t... | 08/30/2005 |
| 6932163 | Roofing saw with locking mechanism and removable bearing support A saw (10) facilitates cutting of roofing and includes a frame (12) that is mobile on a work surface. A locking mechanism (40) locks the frame (12) into a transport position. Actuating a release lever (60) allows the frame (12 | 08/23/2005 |
| 6907874 | Concrete hole cutting machine A machine for cutting holes in concrete slabs comprises a connector adapted to be secured to an adapter of a front-end loader. Secured to the connector is a first frame structure that includes an elongated tube and a support foot for engaging the surface of a concre... | 06/21/2005 |
| 6764139 | System for and method of demolition A rugged demolition system, and method for its use, for pulling up horizontal structures such as concrete or asphalt and breaking them into pieces, pulling over and breaking up vertical structures such as retaining walls and house/building walls, pulling up vertical... | 07/20/2004 |
| 6755481 | Cutting blade and method for cutting pavement in a circle A method for cutting pavement of an asphalt road or a concrete road in a circle for installation of a manhole, by using a cutting blade which has a pavement cutting edge serves as a tip for cutting the pavement and side edges serve as an inclined cutting surface to ... | 06/29/2004 |
| 6709064 | Method and device for detaching or cutting out an embedded manhole frame A method for detaching a manhole frame (7) that is embedded in a road surface, wherein the manhole frame (7) is cut horizontally starting from the inside, without significant exposure of the outside area surrounding the manhole frame (7), by usi... | 03/23/2004 |
| 6592289 | Technique for contraction joints in concrete pavement To make a concrete roadway; a continuous section of concrete is poured and cut at an angle of between 5 degrees and 45 degrees downwardly in the direction of traffic flow, to form an angled cut with an overlying surface that can be pressed downwardly by a... | 07/15/2003 |
| 6582026 | Machine for cutting pavement A machine for cutting pavement, street curbs, bridge components, or sidewalks. The cutting apparatus is mounted on a truck body for transport and can be extended from the truck and supported directly on the ground for cutting. The cutting apparatus includ... | 06/24/2003 |
| 6547337 | Trencher with foldable rock saw wheel A trencher with a rock saw wheel has a foldable section that may be pivoted to one side during transport of the trencher on a truck or trailer, in order to decrease the overall height of the trencher during transport, or can be removed to reduce transport... | 04/15/2003 |
| 6425638 | Pavement cutter A pavement cutter that saves construction materials and prevents repaired pavements from subsiding or collapsing includes a first tilting mechanism attached to a front wheel axis as a base for a tilting mechanism where the base chassis tilts around the re... | 07/30/2002 |
| 6390086 | Mobile concrete saw A cured-concrete-cutting saw which is sufficiently mobile as facilitates its transport to a work site located within a building, and between work sites within a building, for example, and which is useful in cutting block-out grooves for expansion joints b... | 05/21/2002 |
