Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 8109262 | Aging apparatus for aging an artificial stone The present invention provides an apparatus and a method for aging a stone, preferably an artificial stone. The aging device comprises a rotary support operatively connected to a rotary shaft, at least one abrasive tool mounted to the rotary support for roughing and... | 02/07/2012 |
| 8079357 | Adjustable material cutting guide system A material cutting guide system for cutting predetermined widths of a material. The system includes a frame fixed in location and a pair of spaced apart parallel tracks. At least one horizontal member is movably affixed to the frame and has a distal end extending ou... | 12/20/2011 |
| 8061344 | Slab saw with dust collector and method of dry-cutting pavement A dust collector is provided for use with a SLAB saw, especially suited for dry-cutting a channel within pavement or similar exterior surface. The collector includes telescoping upper and lower housings, an open front and lower base to receive a portion of a circula... | 11/22/2011 |
| 8047192 | System and method for cutting granite or similar materials An improved frame saw system has multiple blades for cutting slabs of masonry materials. The improved systems and methods allow for cutting masonry materials into slabs having surface small deviations. A frame saw system may include a support structure of unifying m... | 11/01/2011 |
| 8011357 | Cutting and dust collecting assembly and working machine with such assembly A cutting and dust collecting assembly comprises a rotatable, circular saw blade (4) having a first side (20), a second side (21), and a cover device (6) with a terminal member (52). The bottom surface (36) of the cover devi... | 09/06/2011 |
| 7954482 | Aging apparatus for aging an artificial stone The present invention provides an apparatus and a method for aging a stone, preferably an artificial stone. The aging device comprises a rotary support operatively connected to a rotary shaft, at least one abrasive tool mounted to the rotary support for roughing and... | 06/07/2011 |
| 7942142 | Battery powered concrete saw A concrete saw (10) has an electric motor (24) energized by a battery pack (34) to drive a pair of saw arbors (42) and a battery powered transmission (30) drives rear wheels (16) that provide self propulsion of the saw in co... | 05/17/2011 |
| 7926477 | Tile cutter A tile cutter which has increased cutting capability and with good portability at the same time, comprises a support frame, a saw unit mounted on the support frame, at least one rail and a worktable assembly. The at least one rail is fixed on the support frame and c... | 04/19/2011 |
| 7909028 | Inlaid stone composite An inlaid stone composite broadly includes a body stone and an inlay stone secured within a groove of the body stone, with the inlaid stone composite presenting a finished layered edge surface, and with the surface having a longitudinally extending edge profile. The... | 03/22/2011 |
| 7905223 | Guide cart and power tool with guide a cart A guide cart for a hand-held power tool with a driven tool has a pivot device that is pivotable between an open position and a fixation position. A fixation elements is provided that releasably secures the power tool on the guide cart. The fixation element is secure... | 03/15/2011 |
| 7819111 | Portable bimodal tile saw A bimodal tile saw includes a tray supported on a base extending in a first direction and a water-cooled saw unit suspended from a telescoping arm. Both the tray and the saw unit move relative to the base along the first direction. In a first mode, the saw unit is f... | 10/26/2010 |
| 7810482 | Tile cutting machine A machine is provided for cutting tiles and similar objects of various materials. The tile cutting machine includes a tub having at least one sidewall and a bottom for holding water. A holding mat is received within the tub that includes a number of nubs extending u... | 10/12/2010 |
| 7810483 | Rail guide with bearings for tile saw A tile cutting machine includes a tool support assembly having at least one rail with a rail bearing associated therewith for selective movement there along. The rail bearing includes a housing having a bore therethrough. A plurality of slots are located in the hous... | 10/12/2010 |
| 7770574 | Wheeled guide assembly for use with cut providing tools A wheeled guide assembly for use with cut providing tools includes a base portion having a first end and a second end, and rockable between either of a first position, enabling straight-line cuts to be made, and a second position enabling controlled curved-line cuts... | 08/10/2010 |
| 7757683 | Skid plate for concrete saw A skid plate for a concrete saw is integrally cast having two end mounting portions and a middle portion with a slot in the middle portion. A horizontal slot in a leading end mounting portion cooperates and a vertical slot in the trailing end portion releasably enga... | 07/20/2010 |
| 7740012 | Working tool and machine for sawing and cutting Working tool and machine for sawing or cutting, comprising an annular blade (2) intended to be rotated about an axis of rotation, encircling the axis of rotation, the annular blade comprising an annular blank (3; 3′) and means (15), e.g. diamo... | 06/22/2010 |
| 7699049 | Saw skid plate shield A saw skid plate shield including a shield plate body defining a leading edge and a trailing edge and a mechanism such as edge rails for attaching the shield plate body to the skid plate. Both the leading and trailing edges of the skid plate body are beveled and/or ... | 04/20/2010 |
| 7669589 | Track drive adjustment for a concrete saw A self propelled concrete saw compensates for blade cutting resistance, for example by adjusting a movable drive assembly. An actuator may be used to move the drive assembly, for example through the operation of a control switch by an operator. ... | 03/02/2010 |
| 7658187 | Adjustable stone cutting guide system A material cutting system for cutting predetermined widths of stone. The system includes a fixed frame that is solidly affixed to the stone in the ground. A set of tracks rest on the ground and are adjustably spaced apart to receive the wheels of a stone cutting mac... | 02/09/2010 |
| 7637257 | System and method for cutting granite or similar materials An improved frame saw system has multiple blades for cutting slabs of masonry materials. The improved systems and methods allow for cutting masonry materials into slabs having surface small deviations. A frame saw system may include a support structure of unifying m... | 12/29/2009 |
| 7571720 | Cutting or sawing machine A rotatable cutting tool unit of a tool assembly for a cutting machine that is used in conjunction with an associated method of cutting provides several novel aspects. The tool arrangement, which includes two tool units, includes first and second disk-shaped tools r... | 08/11/2009 |
| 7552725 | Cutting angle adjustment device for a stone cutter A cutting angle adjustment device for a stone cutter includes a rectangular water sink, an inverse L-shaped support arm anchored to a lateral side of the sink, a stone cutter adjustably connected to the support arm through a coupling assembly, a pair of guide rods p... | 06/30/2009 |
| 7533665 | Dicing saw blade positioning apparatus and methods independent of blade thickness via constrained biasing elements An apparatus for positioning dicing saw blades at a fixed axial distance from one another independent of the thicknesses of the saw blades, where the saw blade thickness varies within a range. Flanges, spacers, and retention elements may be employed to achieve desir... | 05/19/2009 |
| 7520276 | Portable working machine A portable working machine comprising a tool unit (1) with a disc guard and a circular tool (3), and a machine unit (2) with a filter system (10), an internal combustion engine (11) with an engine cylinder (13) with bore ( | 04/21/2009 |
| 7469694 | Height mechanism for equipment, including concrete saws A portable saw has a depth or blade lowering control and an adjustable stop for selecting the maximum depth of the blade to which the blade can be lowered. ... | 12/30/2008 |
| 7469695 | Method of manufacturing regular polyhedral ornament and the ornament A method for manufacturing a single stone into a regular dodecahedral ornament or a regular icosahedral ornament, and the ornament manufactured according to the method are provided. The method enables the ornament to be manufactured at low costs with ease without us... | 12/30/2008 |
| 7451758 | Cutting machine with environment control arrangement A cutting machine includes a bottom collecting tray, a cutting blade overhanging on a cutting table and having a cutting area defined at an outer circumferential portion thereof when the cutting blade cuts the work piece, and an environment control arrangement. The ... | 11/18/2008 |
| 7451757 | Concrete cutter An improved concrete cutter has a longitudinally-extending primary boom and one or more saw carriage sub-assemblies that move along the length of the boom. “Wing-like” boom extensions are hingedly secured at each end of the primary boom. The boom extensions can ... | 11/18/2008 |
| 7438633 | Apparatus for grinding a surface comprising two movably arranged hoods The present invention concerns an apparatus (1), preferably for grinding a surface, including at least one grinding unit, a screen (2, 3) and a guide member (5), where the grinding unit is a rotatable and preferably horizontally arranged grindin... | 10/21/2008 |
| 7419422 | Rotary cutting head A cutting disk adapted to be mounted with a rotating shaft to form the cutting head of a cutting machine. The disk includes a plurality of plates each of generally oval shape which mount a diamond cutting element along a major radius thereof. Each disk includes a sl... | 09/02/2008 |
| 7418959 | Concrete saw handle bars A handle support and adjustment assembly for a saw allows the handle to be adjusted in length and/or angle relative to the saw. ... | 09/02/2008 |
| 7406962 | Platform minute adjustment, expansion and water collection devices A platform minute adjustment, expansion and collection device for a stone cutter includes a water tank supported by a pair of racks, a pair of guide rods spacedly bridged on the racks, a first water collection plate and a second water collection plate, both of which... | 08/05/2008 |
| 7402095 | Method for removing trip hazards in concrete sidewalks A method for cutting a chamfer on an edge of a concrete slab, the method comprising the steps of: making a generally planar cut, beginning a distance from the edge, with a generally circular, generally laminar concrete saw blade rotatably powered by a right-angle gr... | 07/22/2008 |
| 7387119 | Dicing saw with variable indexing capability A saw for dicing substrates, such as semiconductor wafers, that has one or more variable indexing capabilities and two or more blades. One of the blades may be moved laterally or vertically, independent of one or more other blades. ... | 06/17/2008 |
| 7387120 | Tile saw A saw includes a base and a pair of substantially parallel stationary rails coupled to the base and extending in a longitudinal direction. A saw supporting assembly is coupled to the base and includes an arm extending from the base and a cutting blade coupled to the... | 06/17/2008 |
| 7353817 | 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... | 04/08/2008 |
| 7350517 | Tile saw guide apparatus A tile saw guide apparatus comprising a right-angle triangle shaped guide body and an attachment structure. The right-angle triangle shaped guide body includes a tile receiving space accessible through a first non-hypotenuse edge of the right-angle triangle shaped g... | 04/01/2008 |
| 7347766 | Cutting method and cutting apparatus The invention provides a cutting method and a cutting apparatus that cuts without chipping a composite material consisting of laminated layers of crystal material and amorphous material, in which the amorphous material is cut with an ultrasonically vibrated cutting ... | 03/25/2008 |
| 7341173 | Exhaust gas diffuser and filter system for a pneumatic nail gun The exhaust gas diffuser and filter system for a pneumatic nail gun provides for the diffusion and filtering of exhaust gas, which is typically pressurized air, generated by the pneumatic nail gun during usage thereof. The system includes a diffuser plate adapted fo... | 03/11/2008 |
| 7337775 | Cutting tip for diamond tool and diamond tool A cutting tip for a diamond tool and a diamond tool having the same which serve to cut or perforate various brittle materials such as stone, brick, concrete and asphalt. In particular, the cutting tip for a diamond tool and the diamond tool have diamond particles wh... | 03/04/2008 |
