William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| 7237425 | Hinge repair tool The present invention is a hinge repair tool constructed from two, spaced apart pairs of modified vise grip or wrench pliers. A single, elongated, upper bar is connected to the respective top jaws of each of the pairs of pliers. Two lower bars are also connected to ... | 07/03/2007 |
| 7074486 | Glazing with optical and/or energetic properties capable of being electrically controlled The subject of the invention is glazing which incorporates at least one electrically controllable system having variable optical and/or energy properties, especially in the form of a system comprising one or more reversible-insertion materials of the electrochromic-... | 07/11/2006 |
| 7040629 | Clamping device for elongated workpieces An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings... | 05/09/2006 |
| 6746775 | Glazing with optical and/or energetic properties capable of being electrically controlled The subject of the invention is glazing which incorporates at least one electrically controllable system having variable optical and/or energy properties, especially in the form of a system comprising one or more reversible-insertion materials of the electrochromic-... | 06/08/2004 |
| 5941515 | Universal connecting rod fixture and method A universal locating fixture for machining various sizes of engine connecting rods. In one embodiment, the fixture includes locating pads, opposed clamps and a crank bore-engaging equalizing locator on a fixed part of the fixture for locating and clamping... | 08/24/1999 |
| 5910831 | Spectacles frame holder A frame holder has two jaws (1, 2) mounted so as to be slidable relative to each other in order to be movable toward or away from each other. A clamping mechanism (5) is provided for maintaining the frame (6) between the jaws in a reference plane. At leas... | 06/08/1999 |
| 5868187 | Method and apparatus for retaining a flitch for cutting Method and apparatus for retaining a tapered flitch having a veneer-producing zone on a flitch table for rotating or translational movement past a veneer-slicing knife comprises stationary dog means coupled to a flitch-carrying body for engaging the flitc... | 02/09/1999 |
| 5865232 | Method and apparatus for cutting veneer sheets from a tapered flitch A novel method and apparatus for cutting veneer sheets from a tapered flitch (one-half of a veneer log which has been sawn in half longitudinally) that places the veneer producing face of a tapered flitch in a stable, parallel relationship with the veneer... | 02/02/1999 |
| 5799933 | Adjustable clamping jaw for a vise The design is related to that the existing integral upper plate of the movable clamp with step end type servo-action vise may cause interference for the thin plate work piece, whereby the separated upper plates are designed to expand the clamp's applicabi... | 09/01/1998 |
| 5746423 | Precision machine tool vise with self adjusting clamp A vise with a clamp having a housing with clamp fingers and load transfer elements enabling the fingers to move relative to each other to compensate for tolerance variations between workpieces simultaneously clamped or contour variations in a workpiece. E... | 05/05/1998 |
| 5701938 | Method and apparatus for retaining a flitch for cutting The present invention includes apparatus for retaining a tapered flitch, having a generally semi-cylindrical veneer-producing zone, on a staylog for movement past a veneer-slicing knife, wherein the tapered flitch includes an axis of rotation. The apparat... | 12/30/1997 |
| 5657975 | Clip head apparatus for retaining a semiconductor wafer on a pedestal A clip assembly for retaining a semiconductor wafer on a pedestal during processing of the wafer, and releasing the wafer for removal from the pedestal after processing, includes a pair of tines each having a lower sloping surface for contacting an edge o... | 08/19/1997 |
| 5562137 | Method and apparatus for retaining a flitch for cutting The present invention includes apparatus for retaining a tapered flitch, having a generally semi-cylindrical veneer-producing zone, on a staylog for movement past a veneer-slicing knife, wherein the tapered flitch includes an axis of rotation. The apparat... | 10/08/1996 |
| 5458322 | Debris trapping/anti clip for retaining a semiconductor wafer on a pedestal A clip assembly for retaining a semiconductor wafer on a pedestal during processing of the wafer, and releasing the wafer for removal from the pedestal after processing, includes a pair of tines each having a lower sloping surface for contacting an edge o... | 10/17/1995 |
| 5363532 | Apparatus for clamping eyeglasses A method and apparatus for cleaning eyeglasses is disclosed in which a holding device is provided with a clamp mechanism for mounting eyeglasses in the holding device in a manner which provides clear access to the lens surfaces of the eyeglasses. A cleani... | 11/15/1994 |
| 5287625 | Sandpaper cutting guide An improved sandpaper cutting guide is disclosed having a series of recesses to receive different sized pieces of sandpaper. The longer side of a standard sized sheet of sandpaper is placed in one of the slots for cutting the sheet in half or the end of t... | 02/22/1994 |
| 5253411 | Method of securing semi-conductor wafer using retention clip A clip for removably securing a semi-conductor wafer to the treatment surface of a semi-conductor wafer processing pedestal. The clip is constructed with a pair of spaced apart, forwardly extending tines adapted to engage outer edges of a semi-conductor w... | 10/19/1993 |
| 5183245 | Semi-conductor wafer retention clip A clip for removably securing a semi-conductor wafer to the treatment surface of a semi-conductor wafer processing pedestal. The clip is constructed with a pair of spaced apart, forwardly extending tines adapted to engage outer edges of a semi-conductor w... | 02/02/1993 |
| 5163664 | Alignment tool for machine vise and the like A tool which is adapted to orient a work piece for machining. A first embodiment of the tool is adapted to be removably mounted on the fixed jaw of a pair of relatively shiftable jaws of a machine vise. The tool has an arm pivotally mounted thereon, and t... | 11/17/1992 |
| 5048808 | Clamping devices for irregular shaped workpieces A clamping device for clamping a workpiece and, in particular an irregularly-shaped workpiece is disclosed. The device includes a pair of movable jaws. Each of the jaws carries at least one clamping member, including a clamping surface, thereon for moveme... | 09/17/1991 |
| 5012738 | Printing plate locking device A locking device for clamping plates, such as printing plates, in place includes a housing. A jaw is in the housing with a plurality of sets of clamp members mounted in the jaw. Each of the clamp members has rounded clamp surfaces. Spacers separate the se... | 05/07/1991 |
| 4982939 | Clamp device for shaped bodies There is disclosed a clamp device for clamping a workpiece, e.g. a ceramic shaped body having a surface curvature. Support members are mounted on the base frame to support the workpiece thereon, and are adapted to swing about predetermined rotational axes... | 01/08/1991 |
| 4969638 | Improvement on sliding claw and coupling structure A clamping apparatus having a pair of vise jaws. A pair of concave recesses are formed laterally of each other in the face of the vise jaw. Each concave recess has a base with an arcuate groove therein. A semi-circular clamping member is disposed in each ... | 11/13/1990 |
| 4950346 | Method of forming an adaptor fitting around a workpiece An apparatus and method are disclosed for holding a generally cylindrical workpiece for honing or otherwise machining an internal bore. The workpiece is held by a gripping surface over most of the innermost turn of a spirally wound spring and coil. The wo... | 08/21/1990 |
| 4846391 | Boiler wall tube tool This invention relates to a boiler wall tube tool in which boiler tubes in the form of a wall can be clampingly secured to retain adjacent ends of the boiler tubes forming the wall in aligned relation when connecting the ends of the boiler tubes forming t... | 07/11/1989 |
| 4781086 | Fluid fitting wrench An adjustable wrench particularly useful to facilitate ease of installation and removal of fluid fittings in and from a fluid system. The wrench includes an elongated handle threadedly cooperating with a body member. The body member has a pair of opposed ... | 11/01/1988 |
| 4741371 | Jig for bending a hockey stick blade A jig for bending a hockey stick blade is made of a backing plate and two spacers secured on one of its surface. The backing plate has two slots extending between the two spacers. A pressure plate located between the spacers is connected to the backing pl... | 05/03/1988 |
| 4732373 | Servo-clamping device A clamping apparatus includes two pairs of rotatable and substantially cylindrical clamping elements positioned on jaws of the clamping apparatus. One pair of clamping elements is located on a fixed jaw, and the second pair is located on a movable vise ja... | 03/22/1988 |
| 4632375 | Servo-clamping device A clamping device of the type having a pair of clamping jaws mounted on a base, wherein one of said jaws is laterally movable in a direction towards and away from the other jaw, and wherein the other jaw includes a pair of movable clamping jaws arranged l... | 12/30/1986 |
| 4609422 | Printer ribbon cartridge loading system There is disclosed herein an improved apparatus and method for stuffing pre-inked printer ribbon from a ribbon roll into a ribbon cartridge. The apparatus includes a drive motor for pulling the ribbon into the cartridge and a supply motor connected to a s... | 09/02/1986 |
| 4503735 | Chain saw sharpening device A clamp for sharpening chain saws does not require removal of the saw chain from the saw prior to the sharpening operation. The clamp comprises a supportive backing plate, a threaded member for fixing the saw blade into position relative to the plate, and... | 03/12/1985 |
| 4386543 | Device for locking standing seam roof panels A device for locking sheet metal standing seam roof panels of the type where a male leg portion of the seam is lifted up into a female leg portion of the seam in order that a partially punched and extending outward locking button on the male leg engages a... | 06/07/1983 |
| 4173237 | Firewood systems An apparatus for converting a log into firewood including a remotely controlled log carrier bed, a log cutter and a log splitter and log conveying systems that allow the log to be converted into firewood in one continuous operation.... | 11/06/1979 |
| 3995845 | Ultrasonic wire bonding chuck An ultrasonic wire bonding chuck includes first and second jaws for squeezing therebetween and clamping securely thereto said state frames utilized in forming microintegrated circuit solid state devices by ultrasonic bonding techniques. A clamping finger ... | 12/07/1976 |
| 3946633 | Apparatus and method for making a shingle This invention is directed to an apparatus and method for making a shingle from a block of wood. The block of wood is canted and a shingle is sawed from this block of wood. The shingle has a thick end and a thin end. After the shingle has been sawed, the ... | 03/30/1976 |