...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8167683 | In-line sander An in-line profile sander is disclosed. The in-line profile sander includes a sander housing configured to be grasped by a user. A plurality of interchangeable profile sanding pads can be mounted at a head of the housing. The sander includes an in-line oscillating m... | 05/01/2012 |
| 8162723 | Method of polishing a tungsten carbide surface The invention is directed to a method for polishing a surface comprising tungsten carbide, comprising contacting a surface comprising tungsten carbide with an oxidizing agent, a polishing component, and a liquid carrier, and abrading at least a portion of the surfac... | 04/24/2012 |
| 8142258 | Method of transferring a wafer A method of transferring a wafer is disclosed. The method comprises providing a pedestal and at least one spray orifice extending through the pedestal; disposing a wafer above the pedestal using a first robot, wherein the wafer has a first surface and a second surfa... | 03/27/2012 |
| 8137156 | Enclosure apparatus and method An enclosure apparatus for containing dust and debris such as may be generated while repairing a drywall surface. The enclosure apparatus includes a flexible, transparent body and may include a sealable slit, glove and pouch. The method of use allows the enclosure a... | 03/20/2012 |
| 8133094 | Dust shroud with access hatch retention mechanism A vacuum shroud for an angle grinder includes a removable hatch for grinding in a corner and provides a storage location on the shroud for the hatch in order to encourage use of the hatch when not grinding in a corner. ... | 03/13/2012 |
| 8075371 | Centerless grinder with servo motor Apparatus and method for converting a convention centerless grinding machine to a centerless grinding machine having a servo motor mounted inside the top slide using an internal servo motor bracket. The servo motor bracket is bolted to the spindle head assembly hous... | 12/13/2011 |
| 8002608 | Polishing of optical and non-optical tools for improved mold flow This invention is related to the process of polishing the optically critical surface of the front piece as well as the back piece, or non-optical surface, used to make molds used in double-sided molding process to make contact lens for reducing warpage of the mold, ... | 08/23/2011 |
| 7988533 | Scratch removal device and method A polishing wheel including a lower polishing surface and defining a different color from a secondary portion of the polishing wheel, so as to indicate wear of the polishing surface. The polishing surface includes a plurality of main radial flutes extending from a c... | 08/02/2011 |
| 7854647 | Scratch removal device and method A polishing wheel including a lower polishing surface and defining a different color from a secondary portion of the polishing wheel, so as to indicate wear of the polishing surface. The polishing surface includes a plurality of main radial flutes extending from a c... | 12/21/2010 |
| 7789732 | Superabrasive tool A tool for use in an abrasive machining process has a body extending along a central longitudinal axis from a first end to a tip end. An abrasive material is located on the tip end. A central recess is formed in the tip end. ... | 09/07/2010 |
| 7775855 | Sanding tool with rotatable handle A hand-held, manually-operated sanding tool includes a base body, a handle, and a coupling device. The base body defines an aperture extending from a first surface of the base body to a second surface of the base body. The handle includes a grip and a post. The coup... | 08/17/2010 |
| 7762870 | Polishing pad and cushion layer for polishing pad A polishing pad includes a polishing layer having abrasive grains dispersed in a resin and is characterized in that the resin is a resin containing ionic groups in the range of 20 to 1500 eq/ton. ... | 07/27/2010 |
| 7722438 | Air blow functionality for disc sander A pneumatic tool with an air blow device. The pneumatic tool, a dual action (DA) sander, includes a nozzle and air blow valve. Compressed air is provided via a DA supply line and an air blow supply line to independently power the DA sander and the air blow device, r... | 05/25/2010 |
| 7704124 | Roller shaft for a vegetable peeler An improved roller shaft for a food peeling machine that allows for an improved method of changing abrasive sections that are on the shaft, the improved shaft having a first and second end with removable retaining elements and the method involving the use of a hydro... | 04/27/2010 |
| 7699686 | Method for polishing and aluminum-zinc hot-dip coating The present invention is directed to a method of polishing a minimum spangle aluminum-zinc alloy hot-dip coating applied to sheet steel to provide a polished hot-dip coating having a continuous, consistent surface appearance suitable for use in an unpainted conditio... | 04/20/2010 |
| 7662026 | Valve gasket sealing surface refurbishing methods and systems In one embodiment, a device to resurface a sealing surface of a fluid connector in a fluid delivery component is provided. The device may include a housing adapted to be reversibly coupled to the fluid connector. Included may be an arbor which is at least partially ... | 02/16/2010 |
| 7628679 | Trimming composite skin stiffener ends A tool for trimming the ends of stiffeners on aircraft composite skin panels accurately, rapidly and without damaging the underlying skins includes an expandable guide frame adapted to straddle and clamp to the stiffener at a selected longitudinal position thereon. ... | 12/08/2009 |
| 7618306 | Conformable abrasive articles and methods of making and using the same Conformable abrasive article comprising: a backing having a first major surface; a deformable material contacting a central portion of the first major surface; an elastic member affixed to the first major surface of the backing and together with the backing enclosin... | 11/17/2009 |
| 7614936 | Spectrum based endpointing for chemical mechanical polishing Methods and apparatus for providing a flushing system for flushing a top surface of an optical head. The flushing system includes a source of gas configured to provide a flow of gas, a delivery nozzle, a delivery line that connects the source of gas to the delivery ... | 11/10/2009 |
| 7544114 | Abrasive articles with novel structures and methods for grinding Bonded abrasive tools, having novel porous structures that are permeable to fluid flow, comprise a relatively low volume percentage of abrasive grain and bond, and a relatively low hardness grade, but are characterized by excellent mechanical strength and grinding p... | 06/09/2009 |
| 7534161 | Method for manufacturing cell structure There is provided a method for manufacturing cell structures having a plurality of cells divided by porous partition walls and extending from one end face to the other end face to function as fluid passages. Dry mass of each of a plurality of honeycomb-shaped cell s... | 05/19/2009 |
| 7517274 | Mirror image pair sanding blocks A right handed or left handed sanding block can be provided individually or as a mirror image pair. Each block includes a grasp handle and a fastening surface engaging a replaceable sanding pad. Each handle includes a pair of cove box channels to fit the fingers of ... | 04/14/2009 |
| 7497764 | Method and apparatus for ultrasonic machining A method for machining a component. The method includes providing a machining apparatus configured to induce vibrations such that a vibration direction of the machining apparatus is substantially aligned with respect to a machining direction of the component, and vi... | 03/03/2009 |
| 7494400 | Manufacturing method for a multilayered gas sensor element In manufacturing a multilayered gas sensor element which includes a sensor cell for measuring a specific gas concentration in a measured gas, a main body portion including a plurality of laminated ceramic substrates, and a plate heater portion generating heat in res... | 02/24/2009 |
| 7465217 | CMP conditioner, method for arranging hard abrasive grains for use in CMP conditioner, and process for producing CMP conditioner Disclosed are CMP conditioners which can suppress microscratching of the surface of a semiconductor substrate and can realize stable CMP conditioner properties. The CMP conditioner according to the first aspect of the present invention comprises a support member and... | 12/16/2008 |
| 7465218 | Probe polishing method and probe polishing member In a probe polishing method, a plurality of probes, which are arranged on a probe card for performing an inspection of electrical characteristics of a target object, are polished by using a polishing member. Further, the probes are polished over plural times, while ... | 12/16/2008 |
| 7462093 | Workpiece support method and workpiece support device There is provided a workpiece support device for use in machining a workpiece including: a securing support unit; and a following support unit. The securing support unit has a securing abutment member releasably positioned and secured at a desired position, and the ... | 12/09/2008 |
| 7442114 | Methods for silicon electrode assembly etch rate and etch uniformity recovery Methods for cleaning an electrode assembly, which can be used for etching a dielectric material in a plasma etching chamber after the cleaning, comprise polishing a silicon surface of the electrode assembly, preferably to remove black silicon contamination therefrom... | 10/28/2008 |
| 7438629 | In-line sander An in-line profile sander is disclosed. The in-line profile sander includes a sander housing configured to be grasped by a user. A plurality of interchangeable profile sanding pads can be mounted at a head of the housing. The sander includes an in-line oscillating m... | 10/21/2008 |
| 7435164 | Grinding method and grinding device To grind a peripheral surface of a rotated work (10), by a rotary grindstone (22) rotated by a wheel spindle 21, a rotary brush (40) is mounted to one side of the rotary grindstone (22), so that it is rotated along with the rotary ... | 10/14/2008 |
| 7429367 | Method for producing improved cerium oxide abrasive particles and compositions including such particles Provided are methods for manufacturing improved cerium oxide abrasives suitable for forming slurry compositions suitable for CMP processes. The cerium oxide abrasives are produced by the heat treatment of a mixture of a cerium precursor compound under conditions tha... | 09/30/2008 |
| 7422513 | Porous abrasive articles with agglomerated abrasives A bonded abrasive tool, having a structure permeable to fluid flow, comprises sintered agglomerates of a plurality of abrasive grains and a binding material, the binding material being characterized by a melting temperature between 500 and 1400° C., and the sintere... | 09/09/2008 |
| 7410411 | Method of determining the number of active diamonds on a conditioning disk The invention relates to a method for determining the number of active diamonds on a conditioning disk. In particular, the method comprises (a) contacting a diamond conditioner disk with a hard surface, wherein the diamond-containing side of the diamond conditioning... | 08/12/2008 |
| 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 |
| 7393269 | Abrasive filter assembly and methods of making same An abrasive filter assembly with an integral dust collection system. The abrasive filter assembly comprises a porous element, a first filter media with channels, a second filter media, and an attachment interface layer. The openings of the porous element cooperate w... | 07/01/2008 |
| 7384438 | Fused Al2O3-Y2O3-ZrO2 eutectic abrasive particles, abrasive articles, and methods of making and using the same Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes. ... | 06/10/2008 |
| 7374472 | Method for manufacturing decorative stone A method of using ultrasonic cutting technology to make a decorative stone includes cutting a stone or other decorative materials into certain positive pieces having various shape by the ultrasonic cutting technology; cutting another stone to certain depth but not t... | 05/20/2008 |
| 7374471 | Apparatus and method for polishing semiconductor wafers using one or more pivotable load-and-unload cups An apparatus and method for polishing objects, such as semiconductor wafers, utilizes one or more pivotable load-and-unload cups to transfer the objects to and/or from one or more object carriers to polish the objects. Each pivotable load-and-unload cup may be confi... | 05/20/2008 |
| 7364835 | Developer-soluble materials and methods of using the same in via-first dual damascene applications Wet-recess (develop) gap-fill and bottom anti-reflective coatings based on a polyamic acid or polyester platform are provided. The polyamic acid platform allows imidization to form a polyimide when supplied with thermal energy. The gap-fill and bottom anti-reflectiv... | 04/29/2008 |
| 7361076 | Method for estimating polishing profile or polishing amount, polishing method and polishing apparatus A polishing method can automatically reset polishing conditions according to a state of a polishing member based on data on a polishing profile changing with time, thereby extending life of the polishing member and obtaining flatness of a polished surface with highe... | 04/22/2008 |