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William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 6803744 | Alignment independent and self aligning inductive power transfer system An inductive power transfer device is provided for recharging cordless appliances. The device includes a plurality of inductors arranged in an array and connected with a power supply via switches which are selectively operable to activate the respective inductors. T... | 10/12/2004 |
| 6328580 | Connecting element for connecting cable shields An electrical connecting element includes a connector body containing an opening for receiving the exposed shield portions of a plurality of shielded cables, a pair of clamping devices being provided for resiliently biasing the shield portions of the cabl... | 12/11/2001 |
| 6324819 | Packaging apparatus The present invention relates to a method of producing packaging containers of plastics, a packaging container, in particular produced according to said method, a method of producing filled and closed packaging containers, a molding station for a plastic ... | 12/04/2001 |
| 6311360 | Brush and method of producing the same A brush, preferably a toothbrush, comprises a brush body and at least one bundle of flexible bristes. At least one supporting element is provided on the brush body for laterally supporting at least one bundle of bristles. This improves the service life of... | 11/06/2001 |
| 6309321 | Fully-locking torque-proportioning differential A fully-locking torque-responsive differential includes an annular coupling device arranged concentrically between an axially-extending hub portion on one side gear and the wall surface of the carrier bore in which the side gear is rotatably mounted. An a... | 10/30/2001 |
| 6287881 | Semiconductor device with low parasitic capacitance A method of fabricating a semiconductor device having active components grown on a substrate, involves providing a semiconductor substrate on which the active components are grown, and doping the semiconductor substrate to render it non conductive and the... | 09/11/2001 |
| 6286903 | Seat cushion in particular for automobile vehicles and method of manufacturing it A seat cushion, in particular for folding automobile vehicle seat, and its method of manufacture, the cushion having a lower face adapted to be in contact with a supporting frame and covered with a protective film of expanded synthetic plastic material th... | 09/11/2001 |
| 6285103 | Permanent magnetic generator A permanent magnetic generator comprises a base 21 having fixedly a first magnetic body 23; a stator member 35 horizontally disposed above the base 21 through support members 27 and has a stator support 36; a drive-motor support 50 horizontally disposed a... | 09/04/2001 |
| 6284671 | Selective electrochemical process for creating semiconductor nano-and micro-patterns A porous semiconductor is created by electrochemical etching. Selected regions of a semiconductor are first treated to reduce the threshold potential at which pore formation occurs, and then an electrochemical etch is carried out on the semiconductor at a... | 09/04/2001 |
| 6285098 | Linear drive A linear drive which is particularly suitable for drive axles of parallel structures such a hexapod arrays, comprises a carrier housing (5) and a carrier (4) that can be moved lengthwise in relation to said carrier housing, both the carrier housing and th... | 09/04/2001 |
| 6280233 | Resilient contact for electrical conductors An electrical connector includes a housing formed of electrical insulating material containing a chamber in which is mounted a resilient clamping member that biases a conductor into electrical engagement with an electrical contact also contained within th... | 08/28/2001 |
| 6273315 | Tin tag dispensing means for roofing guns, and cartridges A tin tag dispensing attachment for roofing guns and the like includes a housing containing a chamber for receiving a cylindrical cartridge containing a stack of disk-shaped tin tags. The cartridge includes a vertical tubular resilient wall containing a l... | 08/14/2001 |
| 6270383 | Resilient terminal including conductor centering means A resilient electrical terminal includes a pair of beveled centering surfaces that cooperate to center a conductor relative to the side walls of the clamping opening through which a bus bar and the conductor extend in clamped side-by-side conductive relat... | 08/07/2001 |
| 6267595 | Rotary tool for machining workpieces A rotary tool for material detaching work, especially in dentistry, comprising a machining portion having an outer circumferential surface coated with a nickel layer in which diamond particles are embedded, is characterized in that the nickel layer and th... | 07/31/2001 |
| 6261120 | Resilient contact for connecting electrical conductors A resilient electrical contact of generally V-shaped configuration includes a support leg mounted generally parallel with and spaced from a bus bar, and a clamping leg for biasing an electrical conductor toward lateral electrical engagement with the bus b... | 07/17/2001 |
| 6257666 | Office chair An office chair with a pedestal (14) and, attached thereto, a seat carrier (13) that carries a seat element (10) and that can be shifted with relation to the pedestal (14) out of an initial position (a) against the restoring spring force along a guide tra... | 07/10/2001 |
| 6241561 | Terminal block arrangement for an electrical system An internal bus connector device is provided for use in the terminal block of an electrical power and signal distribution system, wherein the connector device includes a thin support plate that extends parallel with the support rail of the system and that... | 06/05/2001 |
| 6240979 | Dispenser, and method of filling the same The present disclosure relates to a method of filling a dispenser and to the dispenser itself. For already filling a defined part of the head piece (20) when mounting the dispenser after material has been filled into said dispenser and for ensuring an int... | 06/05/2001 |
| 6237438 | Electrically controlled clamping system In a system for adjusting the position of a first member relative to a second, support member regarded as fixed, the support member comprises a base having an upright at each of its two ends. The first member is inside the two uprights of the support memb... | 05/29/2001 |
| 6231463 | Golf balls having circular groups of tear-dropped dimples A golf ball having improved aerodynamic efficiency is characterized by the arrangement of a plurality of modified tear-drop shaped dimples arranged on the surface thereof. The ball has a dimple-free equator which divides the ball into two identical hemisp... | 05/15/2001 |
| 6227720 | Fiber optic connection device An adapter for coupling optical and electronic circuits, has a housing including a first portion for mating with an optic fiber termination device, and a second portion for mating with an electronic termination device. At least one electro-optical transdu... | 05/08/2001 |
| 6224429 | Terminal block assembly including rail fastening means A synthetic plastic terminal block assembly includes a housing containing a longitudinal through passage in which is mounted a unitary fastening member having a center portion that is connected with the housing, and a pair of end portions resiliently conn... | 05/01/2001 |
| 6215251 | Spark gap for high voltage integrated circuit electrostatic discharge protection A spark gap assembly having electrodes spaced from bonding pads and the integrated circuit. The electrodes contact a plurality of resistors to reduce voltages and dissipate energy experienced during electrostatic discharge (ESD) which would otherwise dama... | 04/10/2001 |
| 6211842 | Antenna with continuous reflector for multiple reception of satelite beams An antenna receives beams from telecommunication satellites in geostationary orbit close to the equator. The continuous concave reflecting surface of the reflector of the antenna has an equation deduced from a paraboloid by adding thereto the equation of ... | 04/03/2001 |
| 6208199 | Pulse amplifier with low duty cycle errors A low power pulse amplifier with low duty cycle errors. The amplifier provides several differential amplifier stages with a biasing and canceling network. To minimize duty cycle errors for large input signals, cascode transistors are added between the dra... | 03/27/2001 |
| 6206792 | Golf ball having elongated dimples and method for making the same A spherical ball and a method of making the spherical ball wherein the ball has a plurality of elongated dimples substantially covering the outer surface of the ball without any dimple overlap. The elongated dimples are of at least two types including a f... | 03/27/2001 |
| 6193625 | Ram speed control method and apparatus The present invention relates to a method of controlling a ram speed of a press ram of a metal-forming press, and a driving device, in particular for carrying out this method. According to the present invention, at least one energy storage device is conne... | 02/27/2001 |
| 6186694 | Device for permanently coupling two shafts A device for permanently coupling two shafts rotatable about a common axis comprises a tubular intermediate member disposed between the outer shaft and the inner shaft, an elastic connecting member disposed between the inner shaft and the tubular intermed... | 02/13/2001 |
| 6183012 | Energy absorbing device with double spring means for steering columns A motor vehicle steering column comprises a steering shaft mounted in a body-tube connected via a support assembly to the chassis of the vehicle, the support assembly comprising a mobile support, a fixed support attached to the chassis of the vehicle and ... | 02/06/2001 |
| 6176793 | Golf ball with contoured dimples A new configuration for dimples on the surface of a golf ball is characterized by at least a portion of the bottom surface of the dimple having a raised contour which is still below the surface of the ball. The contoured portion may comprise many shapes i... | 01/23/2001 |
| 6173068 | Method and apparatus for recognizing and classifying individuals based on minutiae A method and apparatus for annotation of medical imagery to facilitate patient identification, diagnosis, and treatment is characterized by an imaging device for producing a first signal representative of sensed characteristics of the individual and a min... | 01/09/2001 |
| 6163556 | High powered laser diode A method of reducing the amount of unwanted radiation emitted from a semiconductor laser device involves coating a transparent portion the device intended to transmit radiation with a partially reflective layer. The transparent portion is typically the le... | 12/19/2000 |
| 6157766 | High-density and high-capacity distribution frame for optical fibers A distribution frame for optical fibers comprises, for example, two elementary distribution frames in each of which supports are provided to support rows of optical fiber connection modules which, in an inclined rest position, are distributed in a matrix ... | 12/05/2000 |
| 6146013 | Differential thermal analysis system including dynamic mechanical analysis A method and apparatus for performing combined single differential thermal analysis and dynamic mechanical analysis of a sample relative to a reference, using either one reference measurement for a sequence of material measurements--whereby the reference ... | 11/14/2000 |
| 6139448 | Golf ball with elevated dimple portions A new dimple configuration for the surface of a golf ball is characterized by a portion extending above the surface of the ball. Each dimple includes an annular portion having an inner diameter and an outer diameter, and a circular portion having a diamet... | 10/31/2000 |
| 6139085 | Tarp cover arrangement for a transfer dump system A tarp cover arrangement for a transfer dump system includes a front tarp cover for covering the front truck container, and a rear tarp cover for covering the rear truck container, characterized by the provision of a front cover drive device mounted at th... | 10/31/2000 |
| 6138346 | Portable hand-held battery-powered crimping tool A portable hand-held battery-powered crimping tool includes a gear housing containing a through bore receiving a driven gear having a crank arm that is connected by a drive link with the common pivot axis of a toggle device that pivots a pair of crimping ... | 10/31/2000 |
| 6135804 | Electrical connector assembly including insulation piercing plug-in means An electrical connector assembly includes a main connector body formed of insulating material and containing a longitudinal through bore, an electrical contact having an insulation-piercing cutting edge mounted in a slot contained in the rear end of the c... | 10/24/2000 |
| 6135325 | Liquid dispenser, supplying and dosing cylinder device, in particular for liquid dispenser and method for manufacturing a liquid dispenser A liquid dispenser includes a valve block that can be attached onto a vessel or can be connected to a reservoir. The valve block is characterized by an intake valve, a supply and dosing cylinder in which a supply and dosing plunger is slidably accommodate... | 10/24/2000 |
| 6130979 | Opto-electronic module An assembly for use in transferring optical signals from an array of surface-emitting lasers to an array of optical fibers. The laser diodes are mounted on a lead frame type structure in an arrangement which corresponds to the position of optical fibers m... | 10/10/2000 |
