Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7601052 | Key destroyer A key destroyer preferably deploys an angle grinder fitted with a grinding chamber, cover, and insertion tube through which a key can be inserted to be destroyed. The key is gripped in a holder that can slide key foremost through the support tube so that the coded p... | 10/13/2009 |
| 7488239 | Assembly for grinding electrodes A device for grinding welding electrodes comprises a driving motor, a shaft driven by said driving motor and a grinding wheel driven by said driving motor through said shaft, said grinding wheel having a first and a second grinding surface. A first guiding block is ... | 02/10/2009 |
| 7314402 | Method and apparatus for controlling slurry distribution A method and apparatus for ‘through-the-pad’ delivery of slurry polishing agents directly to the land areas of a polishing pad is disclosed. The present invention further provides for improved control of the chemical composition of the slurry to address loss of ... | 01/01/2008 |
| 7238096 | Orbital rotary blade sharpener An orbital rotary blade sharpener for sharpening rotary cutter blades and other rotary blades includes a bottom blade holding portion having a center and a perimeter edge, a top blade holding portion rotatably connectable to said bottom blade holding portion, having... | 07/03/2007 |
| 7172500 | Knife sharpener A knife sharpener has a housing, a base, a sharpening device and an adjustable device. The housing has a case, a cavity and a slot. The cavity is defined in the case and the slot is defined in the case and communicates with the cavity. The base is mounted on the hou... | 02/06/2007 |
| 7153200 | Blade grinding tool A blade grinding tool includes a main base, a sucker mounted on the main base and attached to a surface, and a grinding unit mounted on the main base for grinding a blade of a cutting tool. Thus, the blade grinding tool is attached to a surface, so that a user needs... | 12/26/2006 |
| 7018274 | Polishing pad having slurry utilization enhancing grooves A chemical mechanical polishing pad (200) that includes a polishing layer (204) having a polishing region (208) and containing a plurality of grooves (212) extending at least partially into the polishing region. During polishing, the groo... | 03/28/2006 |
| 6918823 | Double grinding wheel A device for processing welding electrodes includes a driving motor, a shaft, a housing and a first grinding wheel rotatably mounted on the shaft. The first grinding wheel is driven by the driving motor through the shaft. The lateral openings formed in the housing a... | 07/19/2005 |
| 6916231 | Polishing apparatus A polishing apparatus for polishing a workpiece has a polishing unit and a cleaning unit. The polishing unit has a polishing table having a polishing surface thereon, and a top ring for pressing the workpiece against the polishing surface. The cleaning unit has a ro... | 07/12/2005 |
| 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 |
| 6863600 | Apparatus for precision edge refinement of metallic cutting blades A finishing apparatus modifies the physical structure along the edge of a metal knife blade wherein the edge is formed at the junction of two edge facets presharpened with abrasives. The finishing apparatus consists of at least one precision angular knife guide that... | 03/08/2005 |
| 6676500 | Drill bit sharpener A drill bit sharpener includes a motor assembly and a drill bit grinding assembly. The motor assembly has a motor with a drive shaft to drive the drill bit grinding assembly, which includes a driven assembly, a sharpener housing, a grinding wheel assembly... | 01/13/2004 |
| 6673194 | Method and apparatus for surface processing of printed wiring board A printed wiring board having a conductor pattern on which a pre-flux film of a stabilized quality is to be formed using a water-soluble pre-flux liquid. To this end, such an apparatus is used which includes an etching unit 12 for etching lands 5b, 6b for... | 01/06/2004 |
| 6645055 | Apparatus, in particular for the grinding of electrodes for TIG welding A grinding apparatus for pointing electrodes for TIG welding including a rotatable grinding disc, a holding device for the electrode, and a feeding device for feeding the electrode toward the grinding disc, the holding device and the grinding disc being a... | 11/11/2003 |
| 6383332 | Endpoint detection method and apparatus which utilize a chelating agent to detect a polishing endpoint A method of planarizing a semiconductor wafer having a polishing endpoint layer that includes a ligand is disclosed. One step of the method includes polishing a first side of the wafer in order to remove the ligand from the wafer. Another step of the meth... | 05/07/2002 |
| 6350187 | Abrasive machine An abrasive machine includes a rotatably driven tool, chucking equipment for holding the work pieces and a feeding device for effecting relative displacement between the work piece and the rotatably driven tool. The machine further includes a tubular cyli... | 02/26/2002 |
| 6296555 | Wafer machining apparatus According to the present invention, a floating mechanism of a load stage floats positioned wafers in concave parts, and then, the chucks hold the wafers by suction. Therefore, the chucks can easily hold the centered wafers.... | 10/02/2001 |
| 6267653 | Device for grinding an end face, especially an annular surface at the edge of a workpiece bore A device for grinding an end face at an edge of a workpiece bore of a workpiece has a driven grinding tool and a guide pin, connected to the grinding tool, for insertion into the workpiece. The guide pin is dimensioned so as to precisely match the workpie... | 07/31/2001 |
| 6258205 | Endpoint detection method and apparatus which utilize an endpoint polishing layer of catalyst material An apparatus for planarizing a semiconductor wafer having a polishing endpoint layer that includes a catalyst material is disclosed. The apparatus is operable to detect the endpoint based upon the chemical slurry whether a catalytic reaction has occurred ... | 07/10/2001 |
| 6186876 | Apparatus for grinding welding electrodes, in particular wolfram electrodes The invention is a grinding apparatus for grinding tips of welding electrodes. An apparatus for grinding welding electrodes in accordance with the invention includes a drive motor for rotating a grinding disc and an electrode holder for fixing a welding e... | 02/13/2001 |
| 6159079 | Carrier head for chemical mechanical polishing a substrate A carrier head for a chemical mechanical polishing apparatus includes a flexible membrane with a lip portion to engage a substrate to form a seal for improved vacuum-chucking.... | 12/12/2000 |
| 6113476 | Versatile ultrahone sharpener A versatile ultrahoned sharpener includes a stop assembly which contains an inner hardened structure such as being made from metal or ceramic to serve as a positive limiting stop if the knife being sharpened cuts excessively into the plastic stop assembly... | 09/05/2000 |
| 6086458 | Drill polishing method and its centering tool A plurality of centering parts 13 corresponding to drill diameters are disposed in a drill centering tool 3 and the drill centering tool 3 is supported at the side of a drill polishing machine 1. A drill 2 to be polished can be easily and accurately cente... | 07/11/2000 |
| 6012971 | Sharpening apparatus An abrasive material contains abrasive particles in the range of 50 to 80% by weight in an olefinic thermalplastic resin system which is based on ethylene copolymer. The material may be incorporated on a substrate structure to be used as a stropping or ho... | 01/11/2000 |
| 5934975 | Dental curet and sharpening machine system A dental curet and sharpening machine system has been developed for convenient, accurate, and rapid sharpening of dental curets. Curets comprising a cutting blade, shank, and handle have been designed so that, regardless of the instrument's rake angle, th... | 08/10/1999 |
| 5913717 | Sphere polishing machine In a sphere polishing machine, workpiece balls in a ball passageways which are formed by guide grooves 5 formed in a stationary board 2 and guide grooves 1a formed in a rotary board 1 are moved along the ball passageways while being rotated by the rotary ... | 06/22/1999 |
| 5762543 | Polishing apparatus with improved product unloading In a polishing machine for polishing parts between a table and an upper polishing head, the upper polishing head includes push rods to clear the workpieces after a polishing operation. A push ring engages the push rods as a polishing head is being raised,... | 06/09/1998 |
| 5645468 | Dental curet and sharpening machine system A dental curet and sharpening machine system has been developed for convenient, accurate, and rapid sharpening of dental curets. Curets comprising a cutting blade, shank, and handle have been designed so that, regardless of the instrument's rake angle, th... | 07/08/1997 |
| 5628675 | Pipe end beveling apparatus A pipe end trimming device for hand-held use in beveling the outer surface of the end of one pipe so that the beveled end may fit within the end of a similar diameter pipe for a strong connection therebetween. The preferred embodiment abrasive cylinders w... | 05/13/1997 |
| 5611726 | High speed precision sharpening apparatus A high speed knife sharpening apparatus where the surface of a first rotating abrasive element is that of a truncated cone and forms a first facet with microgrooves and a microburr. A second stage is a novel composite cone shaped honing wheel made up of a... | 03/18/1997 |
| 5495988 | Hypodermic needle grinder An apparatus for preparing hypodermic needle having a needle shaft with a pointed end and a hub end and having a needle hub joined to the hub end for safe disposal of the hypodermic needle includes a metal grinder assembly including a grinding member havi... | 03/05/1996 |
| 5449315 | Portable manual sharpener for knives and the like A portable manual sharpener for cutting tools such as knives, scissors and the like includes a base having a first stage sharpening station which includes a stationary non-rotatable support member with an abrasive coated planar surface on opposite sides o... | 09/12/1995 |
| 5337522 | Grindstone shield and worktable of grinding machine A grinding machine has two grindstones, each of which has a grindstone shield disposed thereover. The grindstone shield is provided with a dust receiving portion in communication with a vacuum cleaner via a connecting tube. Pivoted to the grindstone shiel... | 08/16/1994 |
| 5245791 | Scissor sharpening apparatus A scissors sharpening apparatus includes a motor driven sharpening member having an abrasive surface. A magnetic guide is arranged to position the scissors blade at a fixed angle relative to the principle plane of the abrasive surface in such a manner tha... | 09/21/1993 |
| 5186402 | Injection needle disposal device An injection needle disposal device includes a housing, a grinding wheel having a plurality of impellers of an exhaust fan surrounding the grinding wheel, a main driving motor rotating the grinding wheel and the impellers, a positioning disk secured on th... | 02/16/1993 |
| 5181346 | Thru-feed lapping apparatus An automated lapping system employing a rotating table with a horizontal lapping surface and one or more parts tracks with escapement mechanisms for regulating the rate at which parts cross the lapping table. Each parts track is suspended above the rotati... | 01/26/1993 |
| 5168657 | Bottle mouth top surface polishing apparatus A bottle mouth top surface polishing apparatus including rotating machine having a rotary shaft, a rotary plate means coupled at its center to the rotary shaft, a grinding plate fixed to the rotary plate and having a grinding face which is to be made in c... | 12/08/1992 |
| 5148587 | Multi-purpose pipeline construction and testing machine A multi-purpose, full service pipeline construction and testing machine wherein an internal combustion engine is mounted on a trailer adapted to be towed to a job site, the trailer having driven rollers for supporting pipe to be cut; a circular saw, a bev... | 09/22/1992 |
| 5148634 | Scissor sharpening apparatus with magnetic guide A scissors sharpening apparatus includes a motor driven sharpening member having an abrasive surface. A magnetic guide is arranged to position the scissors blade at a fixed angle relative to the principle plane of the abrasive surface in such a manner tha... | 09/22/1992 |
| 5136816 | Edge sharpener for skis According to the present invention there is provided an apparatus for sharpening an elongate edge, especially the blade edge of a ski. The apparatus comprises an abrasive disc set in a housing, a motor unit for rotating the disc about its axis, a guide su... | 08/11/1992 |
