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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7213591 | Groove cutting tool A cutting tool in which a disc-like cutter blade is fixed to a spindle of a rotary electric tool, comprising a first guide plate, which is attached on electric tool side to a cutter blade such that it is capable of rotating freely and makes contact with the referenc... | 05/08/2007 |
| 7073496 | High precision multi-grit slicing blade An abrasive cutting blade is provided to achieve high-quality surface finishes at high feed rates. The blade is fabricated by electroplating fine abrasive onto a steel cathode disc to form a first layer, followed by electroplating a second layer of coarser abrasive ... | 07/11/2006 |
| 7001403 | Saw blade for medical applications A saw blade for medical, in particular surgical, applications having a recess for mounting the saw blade inside a saw which exerts an saw movement, especially an oscillating saw movement, to the saw blade. In order to improve the dynamic behavior of the saw blade, l... | 02/21/2006 |
| 7000606 | Method and apparatus for removing trip hazards in concrete sidewalks An apparatus for cutting a chamfer on an upper edge of a concrete slab includes a hub designed for installation on the threaded output spindle of an angle grinder, and a specially-modified diamond-grit-edged rotary blade which mounts on the hub. For a preferred embo... | 02/21/2006 |
| 6932076 | Diamond circular saw blade An enhanced and improved diamond circular saw blade of an invention is disclosed. The invention includes welding and jointing of the periphery of a circular steel blade having an axle bore and a plurality of arc-shaped copper alloy metal-sheets. Each arc-shaped copp... | 08/23/2005 |
| 6920871 | Cable saw The invention relates to a cable saw device (1) comprising a sawing cable (25) and a cable storage device (30) which is used for temporary accommodation of the sawing cable (25). The cable storage device (30) comprises several defl... | 07/26/2005 |
| 6845767 | Segmented diamond blade with undercut protection A saw blade of uniform abrasive segments with undercut protection to prevent loss of segments and to extend blade life. A metal core includes a uniform peripheral contour formed as a series of spaced apart, segment mounting sections separated by radial gullet channe... | 01/25/2005 |
| 6539932 | Apparatus and method for cutting ingots A thin strip-shaped grindstone 12 is held flat under tension and moved backwards and forwards in the longitudinal direction, while the grindstone is moved in a direction perpendicular to a cylindrical ingot 1 and cuts the ingot. A metal-bonded grindstone ... | 04/01/2003 |
| 6526960 | Wire-saw and method for manufacturing the same A wire-saw constituted by a rope-like core wire and a cylindrical coil-like saw-wire body wounded around the core wire, and a large number of abrasive grains firmly fixed to the saw-wire body by metal. Problems of conventional wire-saws, such as unstable ... | 03/04/2003 |
| 6463920 | Work cutting apparatus and work cutting method A work cutting apparatus comprises a plurality of cutting blades each including a metal plate phase containing a super hard abrasive grain dispersed entirely thereon. A work made of a rare-earth alloy magnet member is submerged in a coolant in a container... | 10/15/2002 |
| 6457468 | Vertical blade saw assembly for ceramic and masonry materials The vertical blade saw assembly for ceramic and masonry materials is designed to provide an assembly that allows the user to make cuts of any shape to ceramic tiles and masonry materials in order to permit the installation of precision cuts for a particul... | 10/01/2002 |
| 6422229 | Saw blade for cutting integrated circuit package boards A device for cutting integrated circuit package boards is disclosed. The device includes a circular saw blade. A plurality of slots are cut in the circumference of the circular saw blade, at least some of the plurality of slots having a depth of at least ... | 07/23/2002 |
| 6138657 | Stone cutter A stone cutter for cutting stock stone, in particular marble without causing undesirable and uneconomical breakage of the stone. The stone cutter comprises a movable cutter blade assembly, where the movable cutter blade assembly comprises a movable blade ... | 10/31/2000 |
| 6105568 | Diamond wire saw A diamond wire saw includes a steel cable, a plurality of rotary diamond abrasive barrels respectively mounted around the steel cable, and pairs of compression springs respectively mounted around the steel cable and fastened to each of the rotary diamond ... | 08/22/2000 |
| 6021773 | Wire saw In a wire saw primarily intended for sawing stone with the aid of light portable equipment, a continuous, easily flexed wire loop or wire on which cutting elements are uniformly spaced includes elastomeric spacing elements between the cutting elements. Wi... | 02/08/2000 |
| 5871005 | Wheel cutter blade A wheel cutter blade has a plurality of blade bodies affixed around the periphery of a blade base plate. The inner peripheral portion of each blade body is joined to the blade base plate. The peripheral portion of each blade body also joins to the periphe... | 02/16/1999 |
| 5702492 | Semiconductor wafer hubbed saw blade and process for manufacture of semiconductor wafer hubbed saw blade In a plating process for constructing a nickel/embedded abrading particle saw blade on a saw blade substrate, the step of plating abrading particles onto and within the supporting copper substrate is disclosed. The beveled edge of a circular aluminum saw ... | 12/30/1997 |
| 5588419 | Semiconductor wafer hubbed saw blade In a plating process for constructing a nickel embedded abrading particle saw blade on a saw blade substrate, the step of plating abrading particles onto and within the supporting copper substrate is disclosed. The beveled edge of a circular aluminum saw ... | 12/31/1996 |
| 5438973 | Shaped blades A cutting blade the core of which is generally tear-drop shaped in cross-section. The sides of the tear-drop shaped core form an included angle of not less than about 5 degrees (and typically not less than about 9 degrees), and abrasive is provided essent... | 08/08/1995 |
| 5150641 | Apparatus for slicing a workpiece The blade having a convex or concave edge and a workpiece engaged by the blade are relatively displaced by an oscillating parallelogrammatic linkage so that an arcuate contour is cut in the workpiece. The oscillating radius of the parallelogrammatic linka... | 09/29/1992 |
| 5078035 | Circular saw blade A circular saw blade having an inner drive portion, an outer cutting edge portion, and a plurality of angled slots extending through the blade from the first lateral surface through to the second lateral surface of the blade. The angled slots are radially... | 01/07/1992 |
| 4930486 | Blade cutting method for hard brittle material A method is provided for effectively and precisely cutting metals, ceramics, composite materials and the like by use of a blade having an elongated metal band body and a conductive abrasive layer adhered to a cutting edge thereof, with a first voltage dif... | 06/05/1990 |
| 4920946 | Blade cutting apparatus for hard brittle material Apparatus is provided for effectively and precisely cutting metals, ceramics, composite materials and the like by use of a blade having an elongated metal band body and a conductive abrasive layer adhered to a cutting edge thereof, with an electrode dispo... | 05/01/1990 |
| 4894917 | Cutting means The present invention provides a saw blade for use in a jig saw mechanism in which a drive member is caused to reciprocate axially and to reciprocate a saw blade carried by one end only thereof on said drive member, which saw blade comprises: a. an axiall... | 01/23/1990 |
| 4856490 | Wire saw An improved wire saw having a wire rope, a resilient layer covering the outer periphery of the wire rope, and a plurality of sleeves mounted on the wire rope through the resilient layer at spacings, the sleeves having an abrasive layer on their outer peri... | 08/15/1989 |
| 4776316 | Wafering device and method of using same An apparatus and method for wafering an ingot of semiconductor material. Wafering blades are fabricated from one or more layers of a fiber reinforced plastic tape and coated with an abrasive material which is embedded into the exposed flat surfaces of the... | 10/11/1988 |
| 4709699 | Surgeon's Gigli saw and method A Gigli saw used by a surgeon to cut bones is constructed of a plurality of round wires which have been deformed in a coining stand so that they form one polygonal shape which in the preferred embodiment is square. This square strand is then twisted along... | 12/01/1987 |
| 4674474 | Stone cutting wire saw A wire saw for cutting of stone is disclosed. Abrasive cutter elements are borne on slidable rotatable carriers encompassing a single filament metallic wire. The longitudinal motion of the slidable carrier elements is limited by helical spring restraining... | 06/23/1987 |
| 4619172 | Cutting saw for grinding solid materials A cutting element for being longitudinally connected to form a saw which can cut in two or four planes and "to and fro" because of its self-cleaning action during use provided by rotating a blade 90° in relation to its connected preceeding blade.... | 10/28/1986 |
| 4517954 | Removable mount for cutting means A cutting element, for use on the cutting member of a variety of cutting machines, particularly for stone cutting machines. The cutting element includes a base member substantially permanently fixable to the cutting member, and a cap member selectively en... | 05/21/1985 |
| 4393450 | Three-dimensional model-making system A three-dimensional model-making system that employs a cutting wire under tension and acting in a reciprocating mode to shape an easily-machinable material. The machine has three servo-driven axes including an x and y axis and a rotational axis.... | 07/12/1983 |
| 4387698 | Slurry saw blade head assembly A blade head assembly for a slurry saw comprises a plurality of elongated, thin (0.02 to 0.14 millimeter thick) blades in spaced parallel relationship made of a metallic glass which is at least 50 percent amorphous and is based on one or more of nickel, i... | 06/14/1983 |
| 4384564 | Process of forming a plated wirepack with abrasive particles only in the cutting surface with a controlled kerf A narrow wire blade with abrasive particles plated within a longitudinally-extending, plated cutting portion that extends from only one side of a wire core and has parallel side walls spaced by a controlled width.... | 05/24/1983 |
| 4258763 | Cutting device having a flexible cutting element A plurality of cutting teeth are disposed at intervals in a complete circle around the periphery of a flexible cutting element. A frame is coupled to the cutting element to receive and guide the cutting element. Means is coupled to the cutting element and... | 03/31/1981 |
| 4187828 | Cutting A cutting process in which a blade under tension is moved relative to a workpiece. The blade has a longitudinally-extending abrasive-holding portion defined by blade material that is softer than the workpiece to be cut and overlies a high tensile strength... | 02/12/1980 |
| 4172440 | Cutting monofilament Cutting filaments having a long service life consist of a monofilament of a synthetic polymer into which from 0.3 to 10 percent by weight of an abrasive are incorporated. In the cutting process the abrasive is not ripped off, as it does happen with steel ... | 10/30/1979 |
| 4161167 | Lap cutting blades Lap cutting blades are provided which are useable for the multiple lap cung of solid materials, such as semiconductorrods. The blades each have a generally rectilinear cutting edge, the length of which is 1-75 times the thickness of the blade, as measure... | 07/17/1979 |
| 4160397 | Saw blade construction and method of making same A saw blade construction and method of forming such blade whereby the ends of a saw blade are abutted into end to end relationship to define an endless saw blade having a series of teeth formed along one edge to define a cutting edge, and having a back ed... | 07/10/1979 |
| 4092971 | Self-contained, multi-blade package for slurry saws and the like A self-contained, multi-blade package is constructed to be mounted in the blade head assembly of a slurry saw for cutting hard materials such as quartz, silicon, germanium, and the like. The blade package is pre-assembled with connecting rods extending th... | 06/06/1978 |
| 4043311 | Jig saw blade with cooling channel The present jig saw blade is constructed for heavy duty work, such as cutting through concrete or masonry. For this purpose, the blade is provided with a cooling channel extending longitudinally through the length of the blade and branch channels extend l... | 08/23/1977 |
