Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7270592 | Milling machine The improved milling machine makes use of individually controlled x-axis, y-axis, and z-axis carriages. These carriages provide positive and precise control of the position of the cutting tools and the blank to be cut. The tools are located in spindles that are move... | 09/18/2007 |
| 7226338 | Milling machine The improved milling machine makes use of individually controlled x-axis, y-axis, and z-axis carriages. These carriages provide positive and precise control of the position of the cutting tools and the blank to be cut. A tool changer allows the tools to be changed t... | 06/05/2007 |
| 7223311 | Method and apparatus for fabricating gypsum board A method enables gypsum/fiber board to be manufactured such that recessed areas are formed on the same face of the cut wallboard on all four edges without interrupting the production line. The system accommodates different lengths of cut wallboard as the lateral cut... | 05/29/2007 |
| 7179155 | Device for grinding liquid crystal display panel Disclosed is a device for grinding a liquid crystal display panel improving the efficiency of using equipment by independently operating first and second grinding units for grinding the unit liquid crystal display panel. The present invention includes a first grindi... | 02/20/2007 |
| 7059938 | Method of and apparatus for working a glass plate An apparatus (1) for working a glass plate includes: a glass-plate working section (4) for working a glass plate (2) whose upper surface (3) is coated; and transporting means (6) for carrying into the glass-plate working section ( | 06/13/2006 |
| 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 |
| RE39018 | High speed method of aligning cutting lines of a workplace using patterns Two imaging equipment are provided at a pair of cutting blade units, and the two imaging equipment image patterns at first positions in proximity to the center of a wafer at the same time. A controller drives drive mechanisms to align the wafer in such a way that cu... | 03/21/2006 |
| 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 |
| 6997783 | Method of and apparatus for removing a film layer on a glass plate and glass-plate working apparatus having the apparatus An apparatus for removing a film layer on a glass plate includes: a supporting base for supporting a glass plate; a pair of removing devices for removing a film layer on the glass plate; a transporting device for transporting the glass plate; and a control unit for ... | 02/14/2006 |
| 6994081 | Apparatus for roughing the surfaces of casted concrete block A casted concrete block surface-roughing machine having an in-line conveyor displaceable over a stationary horizontal support surface for slidingly supporting a lower surface of concrete blocks displaced thereon by the conveyor. At least two pairs of spaced-apart ve... | 02/07/2006 |
| 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 |
| 6979418 | Method to create irregular edge decorative blocks A method to create blocks having a weathered and aged look by modifying the blocks before they are cured. Green blocks exiting a block forming machine are conveyed along a path past brush elements which scrub block mix from the upper longitudinal corners of the form... | 12/27/2005 |
| 6971948 | 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... | 12/06/2005 |
| 6949005 | Grinding assembly, grinding apparatus, weld joint defect repair system, and methods A grinding assembly for grinding a weld joint of a workpiece includes a grinder apparatus, a grinder apparatus includes a grinding wheel configured to grind the weld joint, a member configured to receive the grinding wheel, the member being configured to be removabl... | 09/27/2005 |
| 6916233 | Polishing and cleaning compound device A polishing and cleaning compound device is provided which polishes and cleans a work piece in series, wherein cleaning is started while the polishing is being terminated. Thus, the polishing and cleaning compound device includes a polishing device unit having a pai... | 07/12/2005 |
| 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 |
| 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 |
| 6826986 | Bi-directional singulation system and method A sawing system (200) incorporates a vision zone (220) between a loading/unloading zone (115) and a sawing zone (210). This arrangement allows a dual spindle counter rotating saw assembly (230) to be more rigidly mounted, which red... | 12/07/2004 |
| 6814653 | Device for peeling or shaping products The invention relates to a device for peeling or shaping products such as potatoes comprising a frame, at least a first and a second grinding roller rotationally supported by the frame, at least one of the rollers comprising a grinding surface intended to contact th... | 11/09/2004 |
| 6811473 | Process for machining a wafer-like workpiece A process for machining a wafer-like workpiece between two plates, in which material is abraded from the workpiece under the influence of an auxiliary substance supplied and of a pressure acting on the workpiece. In this process, the pressure on the workpiece is sig... | 11/02/2004 |
| 6796882 | Appliqué film and paint treatment removal tool An appliqué film and paint removal tool includes a central rotating shaft, a spring-loaded locator pin, at least three freely rotating bearings, an arbor, and a collar. The rotating shaft may be centered with the locator pin and pushed down until the bearings touch... | 09/28/2004 |
| 6755724 | Device for grinding liquid crystal display panel Disclosed is a device for grinding a liquid crystal display panel improving the efficiency of using equipment by independently operating first and second grinding units for grinding the unit liquid crystal display panel. The present invention includes a first grindi... | 06/29/2004 |
| 6743083 | Method of and apparatus for removing a film layer on a glass plate and glass-plate working apparatus having the apparatus An apparatus for removing a film layer on a glass plate includes: a supporting base for supporting a glass plate; a pair of removing devices for removing a film layer on the glass plate; a transporting device for transporting the glass plate; and a control unit for ... | 06/01/2004 |
| 6729948 | Method and apparatus for rectifying cylindrical articles, in particular nuclear fuel pellets The present invention relates to a method and apparatus for rectifying cylindrical articles, in particular nuclear fuel pellets. In said method, in characteristic manner, the dust generated by the rectification by a working grind wheel acting on said pellets remains... | 05/04/2004 |
| 6666246 | Automated planer machine An automated planer machine for planing a piece of lumber. The planer machine has a feed table for slidably receiving the bottom surface of the piece of lumber along a traveling course. One or more planing heads extend on sides of the traveling course to ... | 12/23/2003 |
| 6544105 | Control device to implement a grinding process for a knife shaft The present invention relates to a control device to grind a knife shaft used in a machine intended for cutting sheets of materials into strips, for example sheets of paper, plastic, plates of photosensitive film or any other material having the form of t... | 04/08/2003 |
| 6416382 | Bilateral automatic machine for edge-machining plates of glass, stone-like materials and the like A bilateral automatic machine for machining the edges of plates of glass, stone-like and of other plate shaped materials and the like, comprising a supporting frame which has a conveyor for the plates to be machined. There are also provided an abutment sh... | 07/09/2002 |
| 6322428 | Working device and working method for magnet member A working apparatus of a magnet member comprises: a transfer path for guiding magnet members to be ground in one direction; transfer means for pushing the plurality of magnet members in a transfer direction to continuously send out the magnet members to t... | 11/27/2001 |
| 6296029 | Centering sectional shoe assembly A method and apparatus for improved centering of a workpiece in a planer machine includes centering sectional shoe assembly positioned in close proximity to opposed cutting heads, between the cutting heads and a centering feed assembly. The shoe assembly ... | 10/02/2001 |
| 6277007 | Coated media bearing surface for conveying abrasive media and the like An apparatus (10) and method for conveying abrasive web (16), such as photographic media, has a pair of closely spaced rollers (12, 14) through which the abrasive web (16) is conveyed while in contact with a coated media bearing surface (80, 90). The medi... | 08/21/2001 |
| 6277006 | Coated media bearing surface for conveying abrasive media and the like An apparatus (10) and method for conveying abrasive web (16), such as photographic media, has a pair of closely spaced rollers (12, 14) through which the abrasive web (16) is conveyed while in contact with a coated media bearing surface (80, 90). The medi... | 08/21/2001 |
| 6231429 | Process for edging of glass blanks through simultaneous machining of plural edges A device for edging of glass panes (3) has at least one grinding head as the machining tool, consisting of two crossing belt grinders (10, 12) which simultaneously engage the edges of one border of the glass pane (3) to edge-finish these edges. The belt g... | 05/15/2001 |
| 6227953 | Apparatus for removing burr by multiple-stage grinding machine This apparatus has plural fixed grinding machines, which are installed along the direction of travelling line of billets. Facing pairs of grinders are equipped in a manner that the distances between each facing pair of grinders are gradually shorter along... | 05/08/2001 |
| 6206763 | Deburring machine A brush deburring machine includes upper and lower synchronized dogged conveyors that translate workpieces between a pair of cylindrical wire brushes to remove burrs from the ends of the workpieces. A first support surface is defined on each of the dogs o... | 03/27/2001 |
| 6142138 | High speed method of aligning cutting lines of a workpiece using patterns Two imaging equipment are provided at a pair of cutting blade units, and the two imaging equipment image patterns at first positions in proximity to the center of a wafer at the same time. A controller drives drive mechanisms to align the wafer in such a ... | 11/07/2000 |
| 5993301 | Apparatus to clean golden plates An apparatus to clean gold plated contact surfaces on printed circuit boards uses a printed circuit board guide and cleaning units in contact with the printed circuit board guide. A guide rail on the printed circuit board guide is adapted to guide the pri... | 11/30/1999 |
| 5888123 | Automatic golf club grinder A golf club grinder including a base frame, a first grinding mechanism and a second grinding mechanism respectively mounted on the base frame for grinding the hosel and the shaft respectively, the first grinding mechanism including an abrasive belt mounte... | 03/30/1999 |
| 5755615 | Lapping apparatus A lapping apparatus for improving the durability of a lap film and the reliability of a lapping apparatus. A shoe having a recessed workpiece retaining section is installed on each of the opposed faces of a pair of clamp arms. A deep groove is formed in t... | 05/26/1998 |
| 5716262 | Marking apparatus for marking painted surface A marking apparatus for forming scratch marks on a painted surface, at positions in which paint defects are detected, includes a rotary brush assembly having a number of strings, each of which contains approximately 25 weight percent of abrasive grains, s... | 02/10/1998 |
