Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7789733 | Method of manufacturing microneedle A method of manufacturing a microneedle including the steps of forming a plurality of first linear grooves on a substrate in parallel to one another along a first direction using grinding, and forming a plurality of second linear grooves on the substrate in parallel... | 09/07/2010 |
| 7442115 | Railway grinder A railway grinding system is capable of grinding a frog, another switch, or another railway section of interest in situ over a precisely defined path that is unaffected by the geometry of the railway section to be ground. The system includes a frame providing the re... | 10/28/2008 |
| 7416476 | Brake pad grinding method A method and apparatus for grinding a brake pad forms inclined faces at both ends of the brake pad through a single route of movement and no grinding limit quantity is involved whether boundary lines are parallel with each other or not. The apparatus includes: a fix... | 08/26/2008 |
| 7413501 | Method for concave grinding of wafer and unevenness-absorbing pad To facilitate handling of a wafer with its thickness reduced by grinding its rear surface, and prevent any protrusions and depressions matching those of the front surface from being formed on its rear surface, the method including the steps of disposing an unevennes... | 08/19/2008 |
| 7393261 | Cylindrical grinding method for producing hard metal tools and cylindrical grinding machine for grinding cylindrical starting bodies during the production of hard metal tools The invention relates to a grinding method and to a cylindrical grinding machine, in which a sintered hard metal round rod is completely pushed through a chuck of a workpiece spindle head, said chuck having chuck jaws. Two backrest seats are ground on the freely pro... | 07/01/2008 |
| 7393264 | Tools for polishing and associated methods Polishing tools and associated methods are disclosed. In one aspect, a method of polishing a work piece is provided. Such a method may include providing a polishing tool having asperities on a working surface, where the asperities have a tip-to-tip RA value of less ... | 07/01/2008 |
| 7357696 | Method and apparatus for reconditioning digital discs An automated method for reconditioning a plurality of digital discs within a reconditioning apparatus is disclosed. The method comprises holding the digital discs in a load area, and then transferring each of the digital discs from the load area to at least one work... | 04/15/2008 |
| 7322879 | Reprofiling device for the rails of railroads that captures waste A device for the continuous reprofiling of the rails of railroads includes at least one abrasive rail reprofiling unit (2) guided along the railroad tracks and comprising at least one abrasive disk (3) that can be pressed against a rail (1). Thi... | 01/29/2008 |
| 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 |
| 7303461 | Method of machining airfoils by disc tools A method for machining a rotor having a disc and a plurality of integral airfoils projecting outwardly from the disc, according to one aspect of the invention, comprises a step of machining each airfoil with a disc tool having a grinding periphery thereof adapted fo... | 12/04/2007 |
| 7267602 | Seal assembly manufacturing methods Finishing a seal assembly as a unit is proposed, which prevents alignment of the end gaps of the annular body and the annular ring of the seal assembly, provides the ability to manufacture the seal assembly to very low tolerances, and establishes virtually perfect p... | 09/11/2007 |
| 7264538 | Method of removing a coating A method of removing at least a part of a thermal sprayed wear resistant coating on a gas turbine engine part includes grinding the thermal sprayed wear resistant coating with a superabrasive grinding wheel. ... | 09/04/2007 |
| 7244314 | Resin recycling system A system for recycling reusable resin mold products recovered from discarded apparatuses is disclosed. This recycling system includes a crushing system for crushing resin mold products one kind by one kind into crushed resinous pieces and packing the same in a bag, ... | 07/17/2007 |
| 7234997 | Device for grinding of clothing in a textile machine A grinding device for the flats of a card comprises elastically bendable elements which enter between the clothing points, brush over the side flanks of the points and thereby grind the points. Additional grinding elements are provided in order to treat the front si... | 06/26/2007 |
| 7228856 | Diamond cutting method and diamond provided by the method Ten of pavilion main facets are formed with reference to the previously formed five of first pavilion main facets in which an initial first main facet is formed in a position centered on a line shifted approximately fifteen degrees from the ridge of the raw diamond ... | 06/12/2007 |
| 7175510 | Method and apparatus for conditioning a polishing pad A method and apparatus for polishing a thin film on a semiconductor substrate is described. A polishing pad is rotated and a wafer to be polished is placed on the rotating polishing pad. The polishing pad has grooves that channels slurry between the wafer and polish... | 02/13/2007 |
| 7175515 | Static pad conditioner A chemical mechanical polishing apparatus includes a polishing pad. A pad conditioner includes a static conditioner head having a surface area configured to contact and condition the pad. The surface area has a first end proximate to an axis of rotation of the pad a... | 02/13/2007 |
| 7147547 | Method and device for grinding a rotationally symmetric machine part A method and a device for grinding a machine part that has two shaft elements, a machine part axis and a large diameter central element having a side surface which is embodied in the form of a flat truncated cone. The machine part is clamped between centers and is m... | 12/12/2006 |
| 7144307 | Point superabrasive machining of nickel alloys A process for point superabrasive machining of a nickel based material comprising the steps of providing a tool having a grinding surface coated with a superabrasive material, orienting the tool relative to a surface of the nickel based material to be machined so th... | 12/05/2006 |
| 7125312 | Rotor-grinding machine comprising a rotary head with two grinding wheels The invention relates to a machine (1) for grinding the blades of a turbine rotor (2) or a compressor. The inventive machine consists of a rotary head (6) which is provided with two different grinding wheels (7, 7′) for grinding the rot... | 10/24/2006 |
| 7108583 | Method for removing material from a semiconductor wafer The invention relates to a method for removing material from a semiconductor wafer by machining, in which a semiconductor wafer held on a wafer holder and a grinding wheel lying opposite it are rotated independently of one another, the grinding wheel being arranged ... | 09/19/2006 |
| 7097542 | Method and apparatus for conditioning a polishing pad A method and apparatus for polishing a thin film on a semiconductor substrate is described. A polishing pad is rotated and a wafer to be polished is placed on the rotating polishing pad. The polishing pad has grooves that channels slurry between the wafer and polish... | 08/29/2006 |
| 7083503 | Method for sharpening the knife of a rotary trimmer and a rotary trimmer for realizing the method A rotary trimmer includes a first trimming element having a first knife and a second trimming element having a second knife that operates jointly with the first knife. In order to sharpen one knife, the other knife is removed and is replaced with a sharpening disk. ... | 08/01/2006 |
| 7029382 | Apparatus for chemical-mechanical polishing (CMP) head having direct pneumatic wafer polishing pressure A resilient pneumatic annular sealing bladder is coupled for fluid communication to a first pressurized pneumatic fluid to define a first pneumatic zone and is attached to a first surface of the wafer stop plate adjacent the retaining ring interior cylindrical surfa... | 04/18/2006 |
| 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 |
| 7008301 | Polishing uniformity via pad conditioning According to an example embodiment, the present invention is directed to a CMP apparatus having a polishing table, a wafer carrier adapted to carry a wafer on a pad, and a conditioning wheel. If the pad is being polished in a center-fast or center-slow manner, the c... | 03/07/2006 |
| 7001249 | Methods and systems for finishing edges of glass sheets Methods and systems are disclosed whereby the edges of a glass sheet may be beveled with minimal equipment down time. Preferably such methods and systems bevel the upper and lower edges along lateral sides of a glass sheet. In especially preferred embodiments, later... | 02/21/2006 |
| 6991524 | Method and apparatus for reconditioning digital discs Apparatus and method for reconditioning the protective coating of a digital disc. The damaged digital disc is automatically moved between workstations by a suction member which grasps the disc at the first workstation and releases the disc at the second workstation.... | 01/31/2006 |
| 6988938 | Method and apparatus for removing coatings applied to surfaces of a substrate The present invention relates to methods and apparatus for removing coatings from generally opposed first and second major surfaces of a substrate. The method includes providing a table having a surface for slidable receipt of the substrate. First and second grindin... | 01/24/2006 |
| 6981907 | High angle grinder One or more high angle grinding units are supported by a carriage mountable on the underside of a rail grinding vehicle. Each grinding unit is attached to the carriage in a manner enabling controllable movement of the grinding units laterally, vertically, and angula... | 01/03/2006 |
| 6976903 | Apparatus for controlling retaining ring and wafer head tilt for chemical mechanical polishing A CMP system accurately measures eccentric forces applied to carriers for wafer or polishing pad conditioning pucks. An initial coaxial relationship between wafer axis of rotation and a carrier axis is maintained during application of the eccentric force, such that ... | 12/20/2005 |
| 6971946 | Manufacturing method of roller of film or tape handling machine A lot of concave portions and convex portions are formed on a circumferential face of base metal cylinder or roller. Summits of the convex positions are ground and removed or erased. The base metal cylinder or roller is plated and coated to harden the circumferentia... | 12/06/2005 |
| 6964602 | Methods and apparatuses for mechanical and chemical-mechanical planarization of microelectronic-device substrate assemblies on planarizing pads Apparatuses and methods for planarizing a microelectronic-device substrate assembly on a planarizing pad. In one aspect of the invention, material is removed from the substrate assembly by pressing the substrate assembly against a planarizing surface of a planarizin... | 11/15/2005 |
| 6953386 | Active spark control A method and apparatus for directing a spark stream generated by contact between a rotating grinding stone and a railhead away from nearby combustible material, wherein the grinding stone is tilted at an angle such that only one of the leading and trailing edges of ... | 10/11/2005 |
| 6949004 | Method for reducing pole and alumina recession on magnetic recording heads A manufacturing process for reducing magnetic spacing loss in a magnetic recording head. The recession of the transducer relative to the substrate at the air bearing surface is decreased by applying a coating of sacrificial material such as diamond-like carbon to th... | 09/27/2005 |
| 6945846 | Polishing pad for use in chemical/mechanical planarization of semiconductor wafers having a transparent window for end-point determination and method of making A porous polishing pad for use chemical/mechanical planarization of semiconductor wafers is provided with a transparent section formed in a section of the porous polishing pad by direct injection of a polymeric material into a modified portion of the pad. The modifi... | 09/20/2005 |
| 6942544 | Method of achieving very high crown-to-camber ratios on magnetic sliders A method of precisely controlling the amount of flatness or curvature in a lapping plate is disclosed. The lapping plate is formed from two layers of metal alloys, such as tin-antimony and steel. A bimetallic effect is exploited to induce a linear expansion in the p... | 09/13/2005 |
| 6932684 | Reciprocal blade lapping machine A reciprocal blade lapping machine (20) is taught that is used for sharpening cutting and shearing blades. The lapping machine consists a convex lap plate (32) mounted on an enclosure (22) rotated by an electric motor (34) connected to a ... | 08/23/2005 |
| 6926588 | Band coil The invention relates to a method of manufacturing a band coil by means of a material-removing process performed on the coils so as to obtain a band coil which has a profile in the direction of the coil axis. Such a process may be a discharge process, an etching pro... | 08/09/2005 |
