Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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 |
| 6151364 | Codec supporting PCM modem communications over a universal digital loop carrier A codec supports PCM modem communications (e.g., V.90, X2, or K56flex protocols) over a universal digital loop carrier (UDLC) having an analog interface to the central office (CO). The codec includes an analog-to-digital converter (ADC) that is synchroniz... | 11/21/2000 |
| 6082863 | Color projection prism A prism for color dispersion and recombination and a projector incorporating the prism. The prism comprises an aperture for a light beam and the normal to the aperture defines an optic axis. A first surface, intersecting the optic axis, is oriented at a f... | 07/04/2000 |
| 6054028 | Ignition cables Ignition cables which contain a layer of a melt-extruded conductive polymer. The conductive polymer is preferably the sole current-carrying component of the cable. The polymeric component in the conductive polymer is a fluoropolymer, preferably a vinylide... | 04/25/2000 |
| 6030681 | Magnetic disk comprising a substrate with a cermet layer on a porcelain A method of forming an article having a cermet layer on a porcelain substrate, via the steps of (a) providing a substrate made a porcelain comprising one or more crystalline oxide phases dispersed in a glassy matrix, the glassy matrix containing 0.25 to 4... | 02/29/2000 |
| 6020560 | Flashover protection cover for electrical power lines Flashover protection covers are provided in a continuous length for covering power line spans between supporting structures. A flexible panel includes an inner surface and generally parallel opposite edge portions configured to be joined together to form ... | 02/01/2000 |
| 6005232 | Heating cable An electrical heating cable in which at least two elongate conductors are separated by an insulating spacer and are contacted by at least one elongate resistive heating strip. The heating strip, which contacts alternately the first conductor and the secon... | 12/21/1999 |
| 5985976 | Method of making a conductive polymer composition A conductive polymer composition which has a resistivity at 20° C. of at most 1.0 ohm-cm and a PTC anomaly of at least 104 contains at most 64% by volume of a crystalline polymeric component and at least 36% by volume of a particulate conductive filler. ... | 11/16/1999 |
| 5979902 | Cavity sealing article and method A cavity sealing article for use in a longitudinally extending cavity defined by cavity walls, the cavity having a cross-section within the cavity walls which is to be sealed at a predetermined location, comprises: (a) a driver comprising a crosslinked fo... | 11/09/1999 |
| 5978390 | Dual DDS data multiplexer A method and apparatus 200 for converting dual 4-wire digital data services (DDS-1 and DDS-2) for transmission over a single twisted pair telephone line 205. The present method includes use of a digital data service remote terminal 219 and a digital data ... | 11/02/1999 |
| 5962553 | Organoclay-polymer composites Nanocomposites are made by melt-blending a melt processable polymer having a high melt processing temperature and an organophosphonium cation modified layered clay. Such modified layered clay is more stable at the higher temperatures encountered during th... | 10/05/1999 |
| 5958529 | Side entry sealing device A side entry heat recoverable article. The heat recoverable article comprises a longitudinal body member composed of a cross-linked polymer and having a generally C-shaped cross section. The body member preferably includes circumferential ribs. A layer of... | 09/28/1999 |
| 5952396 | Low modulus elastomer An elastomer has a modulus intermediate between that of a conventional rubber and a gel. The elastomer includes (a) between 20 and 45 parts by weight of a semicrystalline elastomer having between 1 and 15% crystallinity and (b) between 80 and 55 parts by ... | 09/14/1999 |
| 5951135 | Color image projection system A system and method for projecting a color image is disclosed. The system includes a light dispersing system arranged in the path of a composite light beam for separating the composite light beam into spatially separated component beams, an image display ... | 09/14/1999 |
| 5951912 | Liquid crystal composite and device comprising same A liquid crystal device has, as electrooptically active material, a liquid crystal composite including a containment medium, a liquid crystal composition dispersed in the containment medium, and an organotrialkoxysilane additive having the structure ... | 09/14/1999 |
| 5945634 | Coaxial cable tap with slitted housing and non-piercing tap insert A method of forming a tap into an intermediate point on a continuous coaxial cable, and a coaxial cable tap housing suitable for forming such a tap. The tap housing includes a recess and an alignment element having a predetermined spatial relationship wit... | 08/31/1999 |
| 5934922 | Sealing member A self supporting sealing member (2) having a layer of sealant (4) positioned longitudinally between two constraining layers (6, 8). The lateral dimensions of the sealing member are designed to fit within a hollow member. A perforation (12) is formed or c... | 08/10/1999 |
| 5933011 | Ground path testing A method and device for testing the quality of a ground path, particularly although not exclusively for a telecommunications system. The device has terminals for connection to respective lines, such as tip and ring. A terminal is provided for connection t... | 08/03/1999 |
| 5931474 | Cavity sealing article and method A planar cavity sealing article comprises: (a) at least one driver comprising a crosslinked foamable polymer, and (b) a sealer comprising an uncrosslinked foamable polymer in intimate contact with the at least one driver and substantially surrounding the at le... | 08/03/1999 |
| 5929138 | Highly thermally conductive yet highly comformable alumina filled composition and method of making the same A highly thermally conductive but yet highly conformable composition is made from gel filled with alumina. The use of -alumina in which at least 10 weight % of the -alumina particles have a particle size of at least 74 μm makes possible the... | 07/27/1999 |
| 5924783 | System for controlling contrast in projection displays An optical projection system has a display cell that is configured to project a display image in response to light striking the display cell. The system has a light source that is configured to project a beam of light and a lens array that is positioned t... | 07/20/1999 |
| 5924898 | Modular connector A modular connector includes a set of pairs of modular inserts configured to mate with each other to convey electrical signals or power in a structure such as a vehicle. Each pair of modular inserts are coupled to their respective wiring lines and support... | 07/20/1999 |
| 5925276 | Conductive polymer device with fuse capable of arc suppression A melt-extrudable conductive polymer composition which contains a polymer, a particulate conductive filler, and a particulate nonconductive filler. When a standard strip heater is made from the composition and tested in a UL VW-1 test, it has comparable p... | 07/20/1999 |
| 5924888 | Electrical plug An electrical plug for connecting an electrical cable such as an electrical heating cable to an electrical power outlet. Contained within the housing of the plug are first and second contact members which comprise a first prong and a second prong, respect... | 07/20/1999 |
| 5918267 | Leak detection A system for detecting leaks from buried pipes which transport fluids other than water. The system includes a pipe for transporting the fluid, a fluid-wicking member which lies beneath the pipe, is wetted by the fluid when the fluid leaks from the pipe, a... | 06/29/1999 |
| 5917814 | SLC-96 plug-in multiplexer A system for use with a subscriber line carrier such as a SLC-96. The system provides a multiplex channel unit 10 that inputs T1 line signals, and outputs multiple telephone line signals in a format such as 2B1Q over a twisted pair 13 to an RT 35. The RT ... | 06/29/1999 |
| 5913574 | Cutting tool for electrical cable A cutting module and a cutting element which fits within the cutting module are used to remove polymer, e.g. insulation or a conductive polymer composition, from the first and second electrodes of the cable at the end of the cable in order to make electri... | 06/22/1999 |
| 5909168 | PTC conductive polymer devices A housing contains a PTC element which can be easily inserted and removed. Conductive metal retaining elements of the housing are secured to the base of the housing, and retain the PTC element with a generally planar portion parallel to the electrodes of ... | 06/01/1999 |
| 5908887 | Polyester compositions Novel polyester compositions, particularly suitable for the insulation of wires, contain an aromatic polyester, especially polybutylene terephthalate. The presence of certain tin (II) compounds, for example tin (II) oxide, oxalate, phthalate, pyromellitat... | 06/01/1999 |
| 5886111 | Silicone sealing material exhibiting high stress relaxation A silicone gel formulation is described having a Voland hardness of from about 6 to 20 grams, a tack of from about 17 to 35 grams, and a stress relaxation greater than 50%. The material is especially suitable for sealing the back end of connectors contain... | 03/23/1999 |
| 5883457 | Organic matrix for acoustic reflector array A touch sensor system, including a substrate, capable of propagating surface acoustic waves; and a reflective array formed on said substrate, said reflective array having a plurality of reflective elements, each reflective element reflecting a portion of ... | 03/16/1999 |
| 5883392 | Apparatus comprising inductive and/or power transfer and/or voltage multiplication components Apparatus for irradiating a substrate is compact, transportable, rugged, high powered, and highly efficient. It includes an improved high voltage inductor (1-230), an improved power transfer apparatus (230-294), an improved voltage multiplication apparatu... | 03/16/1999 |
| 5874713 | Single turn induction heating coil A single turn induction heating coil provides a varied magnetic flux density for heating a portion of a load having a thermally and magnetically responsive sealant and tubing. The varied interior diameter of the cylindrical coil structure increases the ma... | 02/23/1999 |
| 5874885 | Electrical devices containing conductive polymers An electrical device (1) in which an element (7) composed of a conductive polymer is positioned in contact with the surface layer of one or more metal electrodes (3,5). The metal electrode contains a base layer (9) which comprises a first metal, an interm... | 02/23/1999 |
| 5865654 | Coaxial cable connector An inexpensive coaxial cable connector, and an inexpensive contact which is suitable for use in an such an inexpensive coaxial cable connector, the connector and the contact being capable of passing electrical signals from low frequency power up to and in... | 02/02/1999 |
| 5863215 | Telecommunications terminal block Insulation displacing connectors of an "inverted" type extend upwardly from a base of the terminal block into connector chambers of driver modules movable relative to the base between upper and lower positions. Passageways within the modules direct servic... | 01/26/1999 |
| 5864281 | Electrical devices containing a conductive polymer element having a fractured surface Electrical devices, particularly circuit protection devices, contain conductive polymer elements whose edges are formed by breaking the conductive polymer element, along a desired path, without the introduction of any solid body into the element. The resu... | 01/26/1999 |
| 5864458 | Overcurrent protection circuits comprising combinations of PTC devices and switches Electrical circuit protection arrangements with PTC devices and mechanical switches. The combinations of this invention permit the use of mechanical switches and PTC devices to switch voltages and currents in normal circuit operations, wherein the voltage... | 01/26/1999 |
| 5863468 | Preparation of calcined ceramic powders Calcined ceramic powder is made by blending a precursor powder with a form of carbon such as carbon black and heating the blend in an oxygenated atmosphere. The carbon acts as a separator, preventing coalescence of the percursor powder during the calcinin... | 01/26/1999 |
| 5857865 | Sealed coaxial cable connector A sealed F-connector, with a threaded section and a recessed section adjacent the threaded section, has a ring-shaped elastomeric sealing member formed within the recessed section and affixed to the surface of the recessed section. When a connector shell ... | 01/12/1999 |
| 5856634 | Recoverable article A recoverable article includes an inner resilient radially elastomeric tubular member 2 that is held in its expanded configuration by an outer relatively rigid shell 6. The interface between the member 2 and the shell 6 comprises a plurality of circumfere... | 01/05/1999 |
