Quotables
"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4776402 | Method and apparatus for removing excess hoof growth Excess hoof growth is removed from the hooves of dairy cows and other hooved animals by use of a power tool equipped with an apertured cutter disk whose upper face can be viewed by the operator so as to see an image of the field or area of cut through the... | 10/11/1988 |
| 4760670 | Disposable depressed center grinding wheel having an integral mounting hub A disposable depressed center grinding wheel for mounting on a rotatable threaded spindle of a power tool. The grinding wheel contains a retaining nut on one side and a backing flange on the other non-removably secured together on the grinding wheel witho... | 08/02/1988 |
| 4757645 | cutting tool and method of making same A cutting tool having grit particles coated onto its outer surface, most of which include a substantially flat outer surface defining at least one cutting edge. The tool has two surfaces which intersect, and the grit particles are adhered to each surface ... | 07/19/1988 |
| 4754577 | Disposable finishing article having an integral mounting hub including improved pressure cap A disposable finishing article for mounting on a rotatable threaded spindle of a power tool. The finishing article contains a retaining nut on one side and a backing flange on the other non-removably secured together on the finishing article without the a... | 07/05/1988 |
| 4754578 | Disposable depressed center grinding wheel having an integral mounting hub including a pressure cap A disposable depressed center grinding wheel for mounting on a rotatable threaded spindle of a power tool. The grinding wheel contains a retaining nut on one side and a backing flange on the other non-removably secured together on the grinding wheel witho... | 07/05/1988 |
| 4729193 | Cutting disk mounting assembly A cutting disk mounting assembly includes opposing end plates with a stub shaft attached to an exterior surface of one end plate. The plates have a first axial bore formed in the interior surface of the one plate and a protruding axial hub formed on the i... | 03/08/1988 |
| 4706416 | Tool for removing residues A tool for removing residues including a vibrating base and a number of cutters attached to the base. Each cutter includes a foot portion defining the lower portion of the cutter. The perimeter of the foot portion carries a cutting edge which contacts and... | 11/17/1987 |
| 4702223 | Diamond grinder assembly and snap-fit mounting means for scarifier case A scarifier case for mounting on disc rotor grinders, wherein the case is designed to snap attach and quick disconnect selected grinder inserts in the case without requiring the case to be removed from the rotor disc to change a selected grinder insert.... | 10/27/1987 |
| 4694615 | Disposable depressed center grinding wheel having an integral mounting hub A disposable depressed center grinding wheel for mounting on a rotatable shaft of a power tool. The grinding wheel contains a retaining nut on one side and a backing flange on the other. The retaining nut and the backing flange to the grinding wheel witho... | 09/22/1987 |
| 4683681 | Grinding wheel with balancing ring A grinding wheel having a hollow balance ring embedded in the grinding wheel material about the arbor hole. Steel shot partially fills the balance ring and automatically moves to a position to dampen any rotating imbalance in the grinding wheel both when ... | 08/04/1987 |
| 4663890 | Method for machining workpieces of brittle hard material into wafers A method for machining a disk-shaped workpiece, for example having a thickness of between 350 and 1200 microns, formed of brittle crystalline material having a Vickers hardness greater than about 7,000 N/mm2 in the manufacture of a wafer having... | 05/12/1987 |
| 4625467 | Gear shaper having replaceable tip A gear shaping tool comprising a circular body, a plurality of seats disposed around the periphery of the body, and a plurality of working tips held on the respective seats, wherein the seats and tips have triangular surfaces for easy and reliable alignme... | 12/02/1986 |
| 4617766 | Grinding wheel for flat plates A grinding wheel that can rotate at high speed to grind flat plates is comprised of a thin conical grindstone fastened to the open end of a rotatable inverted cup, with the grinding edge projecting outwardly from and at an inclined angle with respect to t... | 10/21/1986 |
| 4610579 | Core drill bit with dynamic cooling fluid flow control means A bit for a core drill of the type for drilling a chamfered hole in an article has a dynamic cooling fluid flow directing element for cooling the bit and article surfaces during drilling and chamfering of the article.... | 09/09/1986 |
| 4597225 | Interchangeable support disc for diamond-bearing plates of circular milling cutters An interchangeable support disc for diamond-bearing plates used in circular milling cutters for the planing of stones, marbles, granite and the like comprises a plurality of such plates mounted on discs which are in turn connected by screws to a circular ... | 07/01/1986 |
| 4567694 | Grinding wheel for grinding the flat surface of a hard and brittle material Grinding of flat plates is performed by using a very thin, conical grinding wheel which is attached to the open end of a revolving cup and which projects outwardly from and is inclined with respect to the cup. The peripheral cutting edge of the grinding w... | 02/04/1986 |
| 4545154 | Grinding wheel for flat plates A grinding wheel that can rotate at high speed to grind flat plates comprised of a thin conical grindstone fastened to the open end of a rotatable inverted cup, with the grinding edge projecting outwardly from and at an inclined angle with respect to the ... | 10/08/1985 |
| 4541205 | Abrasive wheel assembly An abrasive wheel assembly for use on a grinding or cut-off machine is described. A hub includes a mounting for releasably mounting the hub on the machine and securing structure for securing the hub to the center of the abrasive wheel so as to prevent axi... | 09/17/1985 |
| 4523411 | Wet surface treating device and element therefor A rotatable element and a surface treating device including the same are provided. The rotatable element is capable of being mounted on the end of the output shaft of a conventional surface treating device, such as an orbiting disc sander, an orbital sand... | 06/18/1985 |
| 4507897 | Grinding head assembly A grinding head assembly for use in maintaining railroad tracks. The invention is typically used in longitudinally spaced series to grind the surface of the rails to remove corrugations, to restore a smooth regular travel surface. The grinding head assemb... | 04/02/1985 |
| 4477938 | Material which has abrasive properties and method of making same A method of producing a cleaning cloth having abrasive properties is disclosed. The method comprises passing a composite material consisting of a needle bonded fabric, a woven or knitted fabric and a layer of foamed synthetic plastics material past a heat... | 10/23/1984 |
| 4465548 | Method for bonding grinding material onto a grinding disk and a grinding disk so made The invention relates to a method for bonding grinding material, in particular, endless grinding belts or grinding belt segments onto a grinding element, preferably a grinding disk, or the like. Used endless grinding belts can be removed from the grinding... | 08/14/1984 |
| 4464867 | Radially adjustable lap Disclosed is a convex lap comprising a plurality of polishing elements which are radially adjustable to ensure that the effective radius of the polishing surface remains constant as the polishing elements are worn down. A means is provided to radially set... | 08/14/1984 |
| 4457765 | Abrasive bodies The invention provides an abrasive body suitable for mounting in a tool for abrading operations, the body including an abrasive compact comprising a mass of abrasive particles, present in an amount of at least 70 percent by volume of the compact, bonded i... | 07/03/1984 |
| 4442637 | Simultaneous double-acting split abrasive wheel for peripheral sharpening of helix tools and use thereof A simultaneously double-acting split abrasive grinding wheel for sharpening helix tools, such as end mill cutters, has in any embodiment thereof separate, spaced but adjacent and differently proportioned abrasive working strips therein to constitute its t... | 04/17/1984 |
| 4411107 | Grinding wheel for flat plates A grinding wheel that can rotate at high speed to grind flat plates is comprised of a thin conical grindstone fastened to the open end of a rotatable inverted cup, with the grinding edge projecting outwardly from and at an inclined angle with respect to t... | 10/25/1983 |
| 4292768 | Grinding tool Tool comprising a support flange (1) fastened to the end of a drive shaft (2), a grinding wheel (6) which is integral with a metal plate (8) in which it is bonded and molded to shape, and a clamping flange (9) for clamping the plate of the grinding wheel ... | 10/06/1981 |
| 4224768 | Apparatus for, and method of, plunge grinding An apparatus for, and a method of, forming annular grooves in a workpiece by plunge grinding. The preferred embodiment of the apparatus includes: a segmental grinding wheel chuck which further includes a circumferential chuck plate to which a plurality of... | 09/30/1980 |
| 4212137 | Segmental grinding wheel and composite abrading segments therefor A segmental grinding wheel includes abutting, interfitting and interchangeable composite abrading segments clamped to a rotary chuck, each of which comprises a preformed bonded abrasive segment of simple shape with at least a portion of each side, except ... | 07/15/1980 |
| 4209950 | Grinding machine A grinding machine having a rotatable grinding head formed of a circular array of grinding segments including means for conducting liquid coolant thereto, with a blocking member for interrupting flow of coolant to regions of the grinding head not in conta... | 07/01/1980 |
| 4164098 | Grinding wheel A grinding wheel in which at least one core material of open-mesh fabric woven of glass fiber yarn and at least one core material of floral design made by forming glass fiber yarn in floral pattern of long and short petals are embedded as reinforcing core... | 08/14/1979 |
| 4148160 | Lens surfacing tool and tool holder A self-aligning and centering tool and tool holder system for lens surfacing apparatus. The tool and holder are provided with readily manually assembled and disassembled interlocking faces for precise automatic rotational alignment and centering or decent... | 04/10/1979 |
| 4114322 | Abrasive member An abrasive member providing a working surface characterized by having a multiplicity of upstanding angularly extending ridges. Particles of an abrasive material, such as diamond, are affixed to the ridges in a manner so that as the tops of the ridges wea... | 09/19/1978 |
| 4047902 | Metal-plated abrasive product and method of manufacturing the product A new abrasive product using abrasive particles, such as diamond particles, with the abrasive particles being positioned on the products by the use of a special masking technique and with abrasive particles being held in place by deposited metal; and, a n... | 09/13/1977 |
| 4041650 | Material removal tool with multiple cutting edges A rotatable or reciprocable material removing tool having multiple cutting edges in which a plurality of cutting elements project from an outer surface of a base member of the tool and in which each cutting element comprises a cutting member composed of a... | 08/16/1977 |
| 4023313 | Rotary sanding and stripping blade There is disclosed an elongated abrasive blade for use on a rotary device and especially suited for removing material from a surface such as a floor. The blade is essentially rectangular in shape and comprises a multiplicity of abrading chips arranged in ... | 05/17/1977 |
| 4015371 | Grinding wheel assembly A grinding wheel assembly having a throw-away type hub construction in which the insert member imbedded in the molded abrasive disk hub portion is provided with a plurality of circumferentially spaced grooves in the juncture between the cylindrical sectio... | 04/05/1977 |
| 4010583 | Fixed-super-abrasive tool and method of manufacture thereof This improved fixed-super-abrasive tool for grinding and polishing toric and other curvilinear lenses is produced by a novel method of manufacture and comprises a substantially-rigid, super-abrasive-free backing member and a malleable preformed super-abra... | 03/08/1977 |
| 4001981 | Abrasive article An abrasive article such as a cup-shaped grinding wheel is provided, said grinding wheel having a cup-shaped support member of a cross-section providing an annular support surface to which is secured an annular abrasive member consisting of an annular pol... | 01/11/1977 |
| 3974971 | Grinding discs for defibering fibrous material Grinding discs in apparatus for manufacture of pulp composed of a support disc and segments mounted on said support disc so as to form a ring. The segments are formed with ribs and grooves for breaking down the material to be ground. The outer and inner p... | 08/17/1976 |
