Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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 |
| 7666069 | Wafer holder and wafer conveyor equipped with the same The present invention is directed to a wafer holder and a related wafer conveyor system. The wafer holder holds a wafer and moves horizontally within a chamber. A contact area between the wafer and the wafer holder is reduced, and potential contaminants generated by... | 02/23/2010 |
| 7347765 | Honing installation with several work stations A honing installation for honing workpieces comprises a plurality of work stations, each work station being configured for performing at least one working step on a workpiece and at least part of the work station is set up as a honing station for performing at least... | 03/25/2008 |
| 7249993 | Machining apparatus for skis having a binding The invention describes a machining apparatus for skis (5) having a binding (16), comprising a roller table (6) for the skis (5) resting with the running surface on the rollers (9) of the roller table, tools (2) provided bet... | 07/31/2007 |
| 7220173 | Wafer holder and wafer conveyor system equipped with the same The present invention is directed to a wafer holder and a related wafer conveyor system. The wafer holder holds a wafer and moves horizontally within a chamber. A contact area between the wafer and the wafer holder is reduced, and potential contaminants generated by... | 05/22/2007 |
| 7160172 | Multi-station disk finishing apparatus and method Multi-disk processing system and method of continuous finishing of memory media disks for digital data storage systems in preparation for magnetic memory coating, comprising four main sub-systems: 1) multiple driven spindles mounted on a chassis, at 3, 6, 9 and 12 o... | 01/09/2007 |
| 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 |
| 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 |
| 6877502 | Multi-blade concrete cutting saw The multi-blade concrete cutting saw cuts blocks of concrete or aerated concrete into equal sized slates with one pass through the saw. The cutting saw is supported by a frame having a base, an upper support structure and a pair of guide rails. A conveyor track tran... | 04/12/2005 |
| 6863601 | Sand-belt finishing machine having lift device A sand-belt finishing machine includes a main frame, at least one grinding device, a conveyor platform mounted between the grinding device and the main frame, and a lift device mounted between the conveyor platform and the main frame for adjusting the position of th... | 03/08/2005 |
| 6752691 | Device for smoothing gear wheels A device for smoothing gear wheels includes a loading station for supplying the gear wheels, a smoothing station for smoothing the flanks of the teeth, an inspection station for inspecting the degree of smoothing, and an unloading station for carrying away the proce... | 06/22/2004 |
| 6749492 | Rotary sanding machine with a dust collecting mechanism A rotary sanding machine includes a driven wheel coupled to a transmission shaft which is driven by a motor so as to actuate an emery coated belt for sanding. A barrier wall is disposed to hold back dust flying during sanding action to permit the dust to fall into a... | 06/15/2004 |
| 6625835 | Disk cascade scrubber A cascaded disk scrubbing system and method are provided. The cascaded disk scrubbing system includes an array of rows of brush pairs. Each row includes a plurality of counter-rotating brush pairs that are arranged horizontally and longitudinally, and con... | 09/30/2003 |
| 6470932 | Automatic centering system for finishing machine A method and apparatus for improved centering of a workpiece in a surfacing machine includes centering assembly having a plurality of individually movable biasing element sets, comprising an upper element and a lower element. Each element set is operative... | 10/29/2002 |
| 6280305 | Vibration surface finishing apparatus An orbiting head is rotatably mounted in the housing. The orbiting head has an axial end with a grinding surface for contact with the workpiece having its surface finished. The orbiting head defines a fluid passage with one end having an opening at the gr... | 08/28/2001 |
| 6220940 | Micro-finishing apparatus A micro-finishing apparatus for finishing the outer surface of small cylindrical workpieces with repeatability. The apparatus comprises a regulating mechanism rotating and feeding a workpiece against a micro-finishing spool drive mechanism. Planar extents... | 04/24/2001 |
| 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 |
| 6113753 | Systems and methods for making a magnetic recording medium on a flexible metal substrate A method is provided for processing a metal foil sheet to produce magnetic recording media. The method comprises providing an elongate metal foil sheet having a first side and a second side. The sheet is advanced through a plurality of processing stations... | 09/05/2000 |
| 5997388 | Apparatus for removing marks from integrated circuit devices A de-marking apparatus and method are provided for de-marking a marked packaged integrated circuit (IC). The de-marking apparatus comprises a de-marking head for removing a thin layer of material from the marked surface. The apparatus may also include mec... | 12/07/1999 |
| 5921850 | Apparatus for loading a workpiece into a through-feed mechanism A loading apparatus (14) loads a workpiece (16) into a through-feed mechanism (20, 22, 24) which advances the workpiece (16) through a processing device (12) at an advancement speed. The loading apparatus (14) includes a roller assembly (30, 32) which gri... | 07/13/1999 |
| 5921848 | Multi-directional abrading machine A multi-directional abrading machine for surface conditioning in the flat for elongated components, in particular, bumpers for motor vehicles. The machine comprises a frame including an upper portion and a lower portion. The upper and lower portions are a... | 07/13/1999 |
| 5873773 | Glass-plate working apparatus A glass-plate working apparatus 1 includes: a supporting device 7 for supporting a glass plate 6 from a glass plate carrying-in section 2; a main cutter head device 9 for forming a main cut line 8 for bend-breaking on the glass plate 6 supported by the su... | 02/23/1999 |
| 5361548 | Multi-station abrading apparatus An apparatus for abrading articles. The abrading apparatus includes a number of abrading stations located adjacent to one another so that as an article is abraded at one station, a previously abraded article will be redundantly abraded at the adjacent sta... | 11/08/1994 |
| 5327687 | Apparatus for continuously grinding a curved plate A grinding apparatus includes an upright casing with a plurality of horizontal mounting frames and a worm journalled between a top and bottom of the upright casing. Several grinding devices are respectively mounted on each of the mounting frames and can p... | 07/12/1994 |
| 5291689 | Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine In order to be able to sand the surface of an item (3) uniformly smooth, a sanding machine is used with sanding tools in the form of sanding rollers (29) which are rotated as well as turned in the same plane, and which at the same time herewith are also m... | 03/08/1994 |
| 5276999 | Machine for polishing surface of glass plate A machine 80 for polishing a surface of a glass plate 20, comprising a polishing belt 1 provided with a polishing layer in an outside surface thereof, a traveling unit 2for traveling the polishing belt 1, a flatly supporting unit 21 for flatly supporting ... | 01/11/1994 |
| 5274962 | Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine In order to be able to sand the surface of an item (3) uniformly smooth, a sanding machine is used with sanding tools in the form of sanding rollers (29) which are rotated as well as turned in the same plane, and which at the same time herewith are also m... | 01/04/1994 |
| 5184430 | Machine for machining edges, particularly of glass plates The machine for machining edges, particularly of glass plates, includes, on a supporting structure, mutually opposite conveyors which extend continuously and are suitable for moving the plates to be machined at machining heads. At least one of the conveyo... | 02/09/1993 |
| 5058328 | Wafer centering assembly The wafer centering assembly includes a pair of pivot arms which can be pivoted simultaneously to adjust to the diameter of a conveyed wafer. Each pivot arm has a stop which arrest the motion of a wafer such that the axis of the wafer is approximately cen... | 10/22/1991 |
| 4843764 | Glass plate grinding apparatus A glass plate grinding apparatus comprises holding members attached to a chain moved by a rotationally driven sprocket, a belt conveyor for conveying a glass plate while seizing the plate in co-operation with holding members, and a grinder for grinding th... | 07/04/1989 |
| 4787178 | Fluid-jet cutting apparatus A sheet of glass or similar material is moved to and in the cutting area of the apparatus by sheet gripping assemblies that engage and grip an edge portion of the sheet, and that undergo precise controlled movement. A fluid-jet discharging nozzle moves ab... | 11/29/1988 |
| 4719721 | Conveyor bed assembly and vacuum platen A wide belt orbiting sander having an improved workpiece conveyor system, wherein a plurality of resiliently biased platen segments are utilized to apply a force against the underside of the upper conveyor flight in oppositely disposed relationship to the... | 01/19/1988 |
| 4660327 | Glass plate grinding apparatus A glass plate grinding apparatus has a press conveyor disposed on one side of a glass plate where a grinding wheel is disposed and a support conveyor disposed on the other side of the glass plate, the press conveyor being constituted by a caterpillar conv... | 04/28/1987 |
| 4640056 | Vertically self-centering feed assembly A belt driven feed assembly having a plurality of floating passive pinch wheels and a plurality of floating drive wheels, staggered and offset from one another, for conveying flat stock having irregular upper and lower surfaces. The drive and pinch wheels... | 02/03/1987 |
| 4594815 | Abrasive surfacer A machine for simultaneously surfacing the opposite faces of workpieces with abrasive belts wider than the workpieces, which includes mechanism for feeding workpieces of different thicknesses simultaneously, and centering mechanism for engaging the surfac... | 06/17/1986 |
| 4461124 | Automatic or manual four-axes sanding machine system for sanding and/or finishing a vertically held contoured part A vertical wing skin sanding machine which includes one or more sanding stations, dust/sound enclosure, operator console, and dust collectors all mounted on a common trolley designed to travel a linear path over the required length. The system provides an... | 07/24/1984 |
| 4447990 | Machine for finishing ferrite magnetic pot cores Machine for finishing magnetic half-pots which have, on the open side, side edges for assembling half-pots together and a center part designed to be machined to create a preset air gap for the pot core assembly, by use of a grinding wheel projecting throu... | 05/15/1984 |
| 4434583 | Automatically adjustable workpiece guide and feed mechanism An automatically adjustable mechanism for feeding or guiding workpieces along a predetermined flow path from a first position toward a second position adjacent a centerless grinder work rest. The mechanism includes a guide assembly having a pair of parall... | 03/06/1984 |
| 4399637 | Abrasive grinding machine An abrasive grinding machine (11) is disclosed which comprises workpiece conveying means (14) carried in a horizontal position by a frame (12) with a grinding head (15) disposed in overlying relation thereto. The conveying means (14) includes a flexible e... | 08/23/1983 |
| 4280304 | Deburring method for workpieces A deburring method for finishing workpieces by machines using rotary tools and a gyro-finishing machine successively includes conveying the workpieces by an intermittently-driven charging conveyor with a given pitch, transferring the workpieces from the c... | 07/28/1981 |
| 4094104 | Finishing machine A mechanism for finishing work pieces of the type having a continuously moving conveyor mechanism having work piece holding fixtures movable therewith wherein the work piece is automatically rotated between separate work finishing stations by a gear mecha... | 06/13/1978 |
