Bizarre Patents
A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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 |
| 7347769 | Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool ... | 03/25/2008 |
| 7316600 | Metal working method to reduce thermal damage A method for grinding a feature in a work-piece is set forth which includes the step of rotating a grinding wheel about a first axis. The method also includes the step of traversing the rotating grinding wheel and a work-piece relative to one another along a second ... | 01/08/2008 |
| 7258594 | Method and device for centerless cylindrical grinding During centerless cylindrical grinding, attention must be paid to the fact that the workpiece (3) is placed in a very specific position between the grinding wheel (1), the regulating wheel (2) and the support guide (4). The optimal positi... | 08/21/2007 |
| 7207873 | Hand machine tool with clamping device A hand power tool has a disk-shaped tool, and a clamping device for clamping the tool, the clamping device including at least one flange and a clamping unit for clamping the tool to the at least one flange and passing through the tool, the clamping unit and the at l... | 04/24/2007 |
| 7201829 | Mask plate design The present invention includes a mask plate design that includes at least one or a plurality of channels portions on a surface of the mask plate, into which electrolyte solution will accumulate when the mask plate surface is disposed on a surface of wafer, and out o... | 04/10/2007 |
| 7198558 | Knife blade dressing apparatus A dressing device (10,90) for sharpening or conditioning of a blade (18) or the like includes one or more disk pairs (36–40,108), each having a pair of disks (52,54,110,112) respectively presenting a series of circumferentially spaced, ... | 04/03/2007 |
| 7198556 | Grinding apparatus A grinding apparatus for grinding the hard metal inserts or working tips of drill bits (percussive or rotary), tunnel boring machine cutters (TMB) and raised bore machine cutters (RBM), said grinding apparatus having means for holding one or more bits to be ground a... | 04/03/2007 |
| 7186170 | Device and method for severing welds A milling cutter or grinding tool for severing welds on body sheets is provided. The tool includes an essentially circular-cylindrical cutting wheel having cutting edges at least on the circumference and a pair of distance plates with a smaller radius than the outsi... | 03/06/2007 |
| 7179157 | Bench grinder The present invention discloses a workshop unit for use as a grinding center that includes a support frame having a drive motor and a multi-station tool mounted thereto. Particularly, the grinding center may be used for operations including but not limited to grindi... | 02/20/2007 |
| 7175509 | Grinder and method of and apparatus for non-contact conditioning of tool Truing of a grinder is performed by irradiating a laser beam onto abrasive grains on the outermost periphery of the grinder from the tangential direction of the grinder. Truing of the grinder for adjusting the number of working abrasive grains and the shape of the a... | 02/13/2007 |
| 7169022 | Method and apparatus for creating a groove in a collector ring of an electrical device A method and apparatus for creating a groove in the surface of a collector ring for use in an electrical device. The method and apparatus can be used to create a new groove in the surface of a collector ring having none, or can be used to enhance or re-form an exist... | 01/30/2007 |
| 7131900 | Grinding wheel in combination with a grinding ring A combination between a grinding ring and a grinding wheel is disclosed, wherein the grinding ring has a centrally defined hole, a tubular extension extending from a periphery defining the hole, an annular extension extending from an outer periphery of the tubular e... | 11/07/2006 |
| 7125324 | Insulated pad conditioner and method of using same A wafer planarization process with a conditioning tool having an electrical insulator that electrically insulates the abrasive surface of the conditioning tool. The electrical insulator extends the useful life of the abrasive surface of the conditioning tool by redu... | 10/24/2006 |
| 7104870 | Modified radial motion (MRM) method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears The present invention relates to a modified radial motion method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears, which is capable of modifying a locus of a cutter center into a curve, without changing a head cutter's geometry, by pr... | 09/12/2006 |
| 7103973 | Method, device, and tool for chamfering the front-end edges of the inter-teeth grooves of a gear A method for the manufacture of a toothed gear from a gear blank wherein the gear blank loaded into a machine tool and rotationally driven is machined by a hobbing cutter disposed on a rotationally driven tool shaft and the rough-hobbed gear, once produced, is subse... | 09/12/2006 |
| 7090562 | Methods of and apparatus for pre-planarizing a substrate Methods and apparatus are provided to provide a substantially uniform layer thickness above a wafer contour as the wafer rotates and is traversed past a pre-planarization tool. The tool has a shank defining an axis of rotation, and a planarization member coupled to ... | 08/15/2006 |
| 7048619 | Rubbing machine with realigning functions of rubbing cloth for use in LCD manufacturing process and rubbing method using the same The present invention relates to a rubbing machine with realigning functions for use in an LCD manufacturing process and also to a rubbing method which is conducted using the same. The rubbing machine is used to determine the direction of alignment by rubbing an ali... | 05/23/2006 |
| 7048617 | Method and apparatus for smoothing unfinished surfaces An apparatus and method for smoothing unfinished surfaces is disclosed. A sanding head having a formed abrasive surface is secured to the mandrel of a rotational tool. A user is able to finish and smooth irregular and fanciful shapes cut into wood or plastic product... | 05/23/2006 |
| 7029366 | Method and apparatus for abrasive circular machining For the machining of a workpiece (18) rotating about a workpiece axis, a first abrasive tool (20), which rotates about a first tool axis, and the workpiece (18) are advanced towards one another, in order to machine a first workpiece face in a fi... | 04/18/2006 |
| 7021990 | Method and apparatus for circular grinding A method and apparatus for a circular grinding of a workpiece having first and second workpiece faces which are rotationally symmetrical with respect to the workpiece axis and which form a circular transition edge between them are provided. The workpiece rotating ab... | 04/04/2006 |
| 7014547 | Portable grinding machine with protective cover A portable grinding machine (10) includes an elongated housing (12, 14) and an output shaft (16) projecting at a right angle to the housing axis for receiving a disk-shaped rotary clamping tool. The output shaft is encompassed by a substantially... | 03/21/2006 |
| 6997790 | Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool ... | 02/14/2006 |
| 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 |
| 6966824 | Arrangement for detachably securing a grinding wheel or a group of grinding wheels on a wheel spindle Arrangement for releasably fastening a grinding wheel or a group of grinding wheels on a wheel spindle, for example, a group of grinding wheels in a spectacle-lens-edging machine. The machine has a grinding-wheel-retaining shaft that is arranged, in an axially displ... | 11/22/2005 |
| 6960121 | Method of honing bores In a method for honing a bore having first and second sections sequentially arranged in an axial direction of the bore, wherein the first section is hardened so that the first and second sections have different hardness, a honing tool is radially supported by positi... | 11/01/2005 |
| 6942551 | Method for forming a cutting edge along an edge portion of a blade stock A method for forming a cutting edge along an edge portion of a blade stock, wherein the method includes moving the blade stock with respect to a first cutting element rotating about a first rotational axis, the first rotational axis forming one of an acute angle and... | 09/13/2005 |
| 6923712 | Method and apparatus for grinding rotors for hydraulic motors and apparatus therefor A fixture for selectively locating and retaining hydraulic gerotor rotors in position in respect to a grinding wheel, the fixture clamping the rotor between two oversized positioning rolls located in rotor lobe valleys on opposite sides of the rotor. ... | 08/02/2005 |
| 6915794 | Diamond wire equipped with improved cutting bushes for cutting stone material A diamond wire (1) is disclosed for cutting stone material comprising a support cable (2) with around it a plurality of cutting bushes (3) and a plurality of elastic means (5). The cuttting bushes (3) comprise: an hollow cylindric ... | 07/12/2005 |
| 6913510 | Lens stocking device and lens processing system having the same A lens processing system (1) includes a lens stocking device (400a; 400b) capable of stocking a plurality of lenses (LE); and a lens grinding device (100a; 100b); and a lens conveying device (200)... | 07/05/2005 |
| 6913522 | Method and device for grinding central bearing positions on crankshafts An apparatus for grinding center bearings of crankshafts includes a clamping unit for clamping and driving a crankshaft; a grinding spindle, positionable perpendicular to the crankshaft; a plurality of grinding wheels on the grinding spindle, corresponding to the nu... | 07/05/2005 |
| 6910946 | Polishing machine The polishing machine processes a workpiece put on table of body by four-directional control and is provided with a pair of columns. It comprises: first carrying unit having both ends fixed to pair of columns and having carrying part mounted on upper side; a second ... | 06/28/2005 |
| 6896598 | Vertical type of double disc surface grinding machine In a vertical type of double disc surface grinding machine, an object of this invention is to enable simple adjustment of a parallelism between a grinding surface of a lower grinding wheel and a work end face clamped by a clamping jig of a rotary table, even when a ... | 05/24/2005 |
| 6890249 | Carrier head with edge load retaining ring A carrier head for chemical mechanical polishing of a substrate having a front surface, a back surface and an edge. The carrier head has a base, an inner retaining ring positioned beneath the base, and an outer retaining ring surrounding the inner retaining ring to ... | 05/10/2005 |
| 6884154 | Method for apparatus for polishing outer peripheral chamfered part of wafer In a process for polishing the chamfered peripheral part of a wafer using a polishing cloth while supplying a polishing slurry in order to improve productivity of the process by reducing a polishing time, at least two steps of polishing processes are performed in se... | 04/26/2005 |
| 6881133 | Method of grinding for a vertical type of double disc surface grinding machine for a brake disc A double surface grinding method for a vertical type of double disc surface grinding machine in which upper and lower ground surfaces of a work like a disc brake are ground simultaneously. The entire vertical moving stroke of the grinding wheel includes an idle feed... | 04/19/2005 |
| 6863598 | Equipment for grinding optical fiber end A device for grinding and polishing optical fiber ends. The device includes a holder and an elastic grinding surface. The holder is used to hold equidistantly a set of optical fibers such that the ends of the optical fibers are in contact with the elastic grinding s... | 03/08/2005 |
| 6857946 | Carrier head with a flexure A carrier head for a chemical mechanical polishing apparatus. The carrier head includes a housing, a base, a loading mechanism, a gimbal mechanism, and a substrate backing assembly. The substrate backing assembly includes a support structure positioned below the bas... | 02/22/2005 |
| 6852005 | Device for processing the finish of work pieces A device for processing the finish of work pieces. The device has a feed unit with a slide and an NC-controlled drive, a motorized spindle unit with a motor-driven tool spindle, and a force measurement device. The force measurement device is for measuring the contac... | 02/08/2005 |
| 6835125 | Retainer with a wear surface for chemical mechanical polishing A retaining ring has an inner core of a first material and an outer layer of a second, different material that is deposited on the first material. The outer layer can be deposited by spraying, e.g., by powder coating, and can be a polymer, e.g., polyetheretherketone... | 12/28/2004 |
| 6808441 | Dental tool sharpener and method of use A dental tool sharpener is disclosed having a base. A grinding surface is rotatably attached to the base about a fixed axis, the axis of rotation being perpendicular to the base. a positioner is attached to the base and aligns a top face of a blade of a dental tool ... | 10/26/2004 |
