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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8087855 | Multi-function drill press system A drill press has a housing, base and support shaft. The support shaft has a vertical first axis and a lower end supporting the base and an upper end supporting the housing. The housing includes a bit rotatable about a vertical second axis. A first lower plate is co... | 01/03/2012 |
| 7632048 | Reaming machine A reaming machine includes a machine body; a retractable fixture installed above the machine body and used to press against a workpiece and fix the workpiece; and a vertical wall disposed inside the machine body. Two slide rods are installed to the vertical wall. A ... | 12/15/2009 |
| 7413389 | Adjustable calibrated pivot-arm stop Systems for positioning a work piece relative to a tool. These systems may include, among others, apparatus and methods, such as a worktable for a drill press or similar machine, for positioning a work piece, such as wood, plastic, metal, and/or other material, rela... | 08/19/2008 |
| 7377729 | Method of drilling holes in lenses by means of a numerically-controlled drill and apparatus for implementing said method The present invention relates to a method and apparatus for drilling holes in lenses for making “rimless and pierced-lens” spectacles. According to the invention, the apparatus comprises: a bed (11) carrying a numerically-controlled drill (12) whos... | 05/27/2008 |
| 7374373 | Pocket hole drilling machine A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-dri... | 05/20/2008 |
| 7334313 | Numeric control bore for boring an eyeglass lens and corresponding method Numeric control bore for boring an eyeglass lens and corresponding method. The bore comprises a bedplate (1), attachment device (3) for the lens (5), rotation device (9) for the lens (5) according to a first axis (7) (first ... | 02/26/2008 |
| 7326008 | Servo tapping unit with built in shock protection A servo motor in die tapping unit provides built in shock protection for the motor by fixing a shock plate to the servo motor and floatingly mounting the shock plate to a base structure attachable to a stripper plate in a press. Sets of opposing springs allow moveme... | 02/05/2008 |
| 7305747 | Tap process for hard workpieces A process and apparatus for producing screw threads in hard material workpieces with a series of taps. The present invention employs a threaded bore formed in a bracket assembly to align and position multiple taps on a rotary machine. The taps are used in sequence t... | 12/11/2007 |
| 7281307 | Tap process for hard workpieces A process and apparatus for producing screw threads in hard material workpieces with a series of taps. The present invention employs a threaded bore formed in a bracket assembly to align and position multiple taps on a rotary machine. The taps are used in sequence t... | 10/16/2007 |
| 7275897 | Drilling machine for panels A drilling machine for drilling variable-thickness on-edge supported wood, plastics material, aluminum panels, comprises a bottom intermittent conveyor for abutting against a bottom edge of a panel and horizontally conveying a panel to be processed to a tool bearing... | 10/02/2007 |
| 7267512 | Power assisted drill press A power assisted drill press having a feed cylinder fed by a variable pressure regulator which allows a user to controllably feed a bit and work material together while activating a drill motor to rotate the bit. An embodiment of the power assisted drill press utili... | 09/11/2007 |
| 7226252 | Hand-held drill leverage unit A hand held drill leverage unit for supporting, positioning, and leveraging a drill. The leverage unit has a main lever arm pivotally supported by a fulcrum unit. A drill end of the lever arm supports the drill, while an opposing, longer, handle end of the lever all... | 06/05/2007 |
| 7226253 | Clamping mechanism The drilling of a hole through at least two structural components in alignment with a predrilled hole or marked location in one of the structural components is facilitated by a clamping mechanism that has a bail with two legs. One leg carries a first clamping sectio... | 06/05/2007 |
| 7214007 | Composite track, column and other supports, including for machinery A drill assembly, for example for drilling or coring concrete, has a drill column formed from a composite material. A track for a wall saw or for supporting other structures for movement along the track is formed from a composite material. A composite column, rail o... | 05/08/2007 |
| 7168898 | Process and device for machining by windowing of non-deformable thin panels An apparatus and method for machining of thin panels, in particular, panels having a complex shape, specifically non-deformable panels, in which the panel to be machined is placed beforehand in an isostatic position, characterized by: one defines one or more areas o... | 01/30/2007 |
| 7140813 | Line boring machine An up modifier is provided which includes a bed, a modifier, a clamp, a modifier linkage system, a clamp linkage system, and a lever. The modifier is disposed below the bed and is vertically traversable thereunder. The clamp is disposed above the bed and is vertical... | 11/28/2006 |
| 7108459 | Power assisted drill press A power assisted drill press having a feed cylinder fed by a variable pressure regulator which allows a user to controllably feed a bit and work material together while activating a drill motor to rotate the bit. An embodiment of the power assisted drill press utili... | 09/19/2006 |
| 7101123 | Fixture for drilling pocket holes in workpieces of different thicknesses A fixture for drilling pocket holes in workpieces of different thicknesses is formed of a U-shaped member having parallel guide and clamp legs and joined by a transverse base leg. One or more guide channels are formed in the guide leg at an angle to the guide leg th... | 09/05/2006 |
| 7025541 | Drilling device for frameless glasses A drilling device for frameless glasses with a drill head (34), which can be moved up and down. The drill head (34) can be inclined to either side and a holding device (50, 56, 58) is provided for the two lenses of a pair of glasses, in which ho... | 04/11/2006 |
| 7004828 | Sander apparatus and method A sander apparatus and method includes a sander table and a sanding drum. A guide bearing is connected to the sanding drum wherein the guide bearing is conformed to fit within the stabilizing guide bearing receiver in the sander table. ... | 02/28/2006 |
| 6960050 | Hole forming system with ganged spindle set A high throughput drilling system for printed circuit board hole formation. Two spindles are disposed at each spindle station, doubling the number of holes produced in a given time period. Each spindle in connected to an overhead linear drive by a mini slide. A firs... | 11/01/2005 |
| 6922933 | Primer removal tool A primer removal tool comprising a starter tap, a holder for the starter tap, one or more setscrews passing through the holder and against the starter tap for securing the starter tap in the holder, a handle, a spacer bushing connected to the center of the handle, a... | 08/02/2005 |
| 6913427 | Adjustment device for self-colleting drill motors An adjustment device comprises a first portion and a second portion. The first and second portions are adjustably engaging one another. The adjustment device has an overall length that is adapted to be adjusted by adjusting the first and second portions relative to ... | 07/05/2005 |
| 6866450 | Entry sheet for drilling and method for drilling hole An entry sheet for drilling for a printed wiring board material, which comprises a water-soluble resin (A) and a water-insoluble lubricant (B) as essential components, an entry sheet for drilling for a printed wiring board material... | 03/15/2005 |
| 6794022 | Metal plate coated with lubricating resin and drilling processing method of printed wiring board use thereof A metal plate coated with a lubricating resin is coated with a lubricating resin having a modified polyamide ({circle around (1)}) and a crosslinking curing agent ({circle around (2)}) of the modified polyamide ({circle around (1)}) on at least one side face of the ... | 09/21/2004 |
| 6753300 | Lubricant sheet for making hole and method of making hole with drill A lubricant sheet for making a hole used for a printed circuit board, comprising an organic substance layer having a thickness of 0.02 to 3.0 mm and formed of a mixture (a) or a mixture (b) and a metal foil having a thickness of 0.05 to 0.5 mm, said organic s... | 06/22/2004 |
| 6751874 | Hand tool for punching holes in a range of plastic irrigartion pipes A cutting tool for forming holes in plastic piping primarily intended for use in holing irrigation pipes for drips and sprinklers ranging from holes with diameter of 2-4 mm. The tool comprises of a blade element made of steel, preferably hardened and provided with a... | 06/22/2004 |
| 6684480 | Method for making a through opening in a high-pressure fuel reservoir, and apparatus for performing the method A method for making a through opening in a high-pressure fuel reservoir that has an elongated, tubular jacket body, which body is provided in the longitudinal direction with a continuous recess, open on at least one end, that forms the interior of the hig... | 02/03/2004 |
| 6655428 | Dowel hole & slot cutter A dowel hole and slot cutter comprise a motor having a base slidably mounted on a track and a cylindrical cutting bit mounted at one end of the motor and extending outwardly therefrom. A support includes a pair of arms with one arm extending upwardly from... | 12/02/2003 |
| 6575212 | Adjustable height workstation A workstation having an adjustable support structure is disclosed. The workstation includes a beam, a position locking apparatus, and a workpiece-supporting device slideable along the beam to a position where it is locked by the locking apparatus. The loc... | 06/10/2003 |
| 6565295 | Entry board for drilling An entry board for drilling improves drill machinability such as hole positional accuracy using a fine-diameter drill, and roughness of the walls of the drilled holes. The entry board has a metallic foil, and a thermosetting resin is covered on one or bot... | 05/20/2003 |
| 6558088 | Security container drilling apparatus and method of cutting the lock bolt of a security container A bolt support member for use in cutting lock bolts of security containers. The bolt support member has a hook-shaped portion at one end for engaging a lock bolt, and threaded portion at another end. The hook-shaped portion is inserted into a hole in the ... | 05/06/2003 |
| 6499918 | Apparatus and method for repairing marine engine distributors A repair jig for drilling and retapping bores provided in a marine engine distributor is disclosed. The repair jig includes a frame having a plurality of alignment mechanisms operatively associated therewith. Bores formed in the alignment mechanisms are a... | 12/31/2002 |
| 6494649 | Table for a drill press A table for a drill press that includes a plate for attaching to the column of the drill press, a receptor associated with the plate and providing a well for providing clearance for a sanding cylinder operatively attached to the head of the drill press, a... | 12/17/2002 |
| 6325576 | High throughput hole forming system with multiple spindles per station A high throughput drilling system for printed circuit board hole formation. Two spindles are disposed at each spindle station, doubling the number of holes produced in a given time period. Each spindle in connected to an overhead linear drive by a mini sl... | 12/04/2001 |
| 6309148 | Column positioning device for a drill press A column positioning device for a drill press includes a base having a post and a positioning pin respectively extending from a top of the base. The post is received in a hollow column on which a motor is connected. The column has two positioning passages... | 10/30/2001 |
| 6200074 | Method for drilling circuit boards A method and materials for drilling through-holes in printed circuit boards with a drilling tool is disclosed. The method involves the use of a lubricating entry material placed on the top surface of a stack of printed circuit boards and a lubricating bac... | 03/13/2001 |
| 6186711 | Engraving system An engraving system for positioning a workpiece to be engraved. The workpiece is held in a workpiece carrier having a positioning structure that engages a complementary positioning structure on an engraving table. The workpiece is centered in the workpiec... | 02/13/2001 |
| 6071048 | Preform gate cutter A preform gate cutter for cutting a hole in a preform gate includes a cutter, a housing forming a cutting chamber, and a preform chuck having a longitudinal preform bore for receiving a preform. The preform chuck is insertable into a housing bore. The pre... | 06/06/2000 |
| 6023901 | Self-drilling wall repair jack A repair device which is used to restore planarity to concave damage in a drywall board, which is quickly installed by chucking to a reversible power driver in the manner of a drill bit, thus creating its own hole. The device is inserted into the wall cav... | 02/15/2000 |
