Patents Represented by Attorney James Theodosopoulos

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  • Electroceramic heating devices
    Patent number: 4730102
    Abstract: An electroceramic heater including a pair of metallized electrodes disposed upon the sides of an electroceramic body and a pair of lead wires ultrasonically welded and metallurgically to the electrodes, with the inner ends of the wires being swaged such that they have a generally flat appearance.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: March 8, 1988
    Assignee: GTE Products Corporation
    Inventor: Lionel J. Melanson
  • Compact PTC resistance heater
    Patent number: 4730103
    Abstract: A compact resistor heater device is disclosed comprising a resistor body of ceramic material having a positive temperature coefficient of resistance and having electrically conductive elements disposed upon the resistor body for conducting current from one side of a power supply to one side of the resistor body. The resistor device is encapsulated with a coating of thermally conductive material. In an alternate embodiment of the resistor heater device, a thermally conductive member is disposed in thermally conductive relationship to said resistor body and serves as a heat sink to dissipate the heat generated by the resistor body substantially uniformly over a greater area.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: March 8, 1988
    Assignee: GTE Products Corporation
    Inventor: Donald R. Hawkins
  • Tungsten-containing zinc silicate phosphor
    Patent number: 4728459
    Abstract: A manganese-activated zinc silicate phosphor contains a small amount of tungsten dispersed throughout the phosphor matrix. The tungsten improves maintenance of a fluorescent lamp in which the phosphor is used.
    Type: Grant
    Filed: October 24, 1984
    Date of Patent: March 1, 1988
    Assignee: GTE Products Corporation
    Inventors: Albert K. Fan, Vincent Chiola
  • Dual insulated ceramic burner
    Patent number: 4726763
    Abstract: A gas burner comprises a ceramic tube or nozzle through which a gaseous fuel flows, a chamber surrounding the ceramic tube, and means for delivering preheated combustion air to the chamber. The tube is made of an insulating ceramic in order to insulate the fuel from the preheated air. The inner portion of the tube comprises an insulating ceramic having lower thermal conductivity than that of the outer portion.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: February 23, 1988
    Assignee: GTE Products Corporation
    Inventor: Ray L. Newman
  • Telephone interface connection device
    Patent number: 4723919
    Abstract: The present invention relates to telephone network interface devices and includes a plug and a jack disposed in a block, the block being fitted within a housing. The location of the block within the housing and its manner of disposition protects the device from tampering and removal. The plug and jack are protected against the environment by a waterproof cover and resilient seals.
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: February 9, 1988
    Assignee: GTE Products Corporation
    Inventor: Robert A. Crane
  • Crucible for melting reactive metal alloys
    Patent number: 4723764
    Abstract: A crucible for melting metals therein to form an active brazing alloy is made of slip cast silica with an yttria lining on the inside surface thereof.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: February 9, 1988
    Assignee: GTE Products Corporation
    Inventor: Howard Mizuhara
  • Palladium alloy for joining ceramics and method of use
    Patent number: 4719081
    Abstract: An alloy for joining ceramics has the following composition, by weight: 65 to 98% palladium; 1 to 20% nickel; 0.5 to 20% chromium; 0.5 to 10% titanium or zirconium; 0 to 10% molybdenum.
    Type: Grant
    Filed: December 12, 1986
    Date of Patent: January 12, 1988
    Assignee: GTE Products Corporation
    Inventor: Howard Mizuhara
  • Ceramic burner having high turndown ratio
    Patent number: 4717334
    Abstract: A gas burner comprises a ceramic tube through which a gaseous fuel flows, a chamber surrounding the ceramic tube, and means for delivering preheated combustion air to the chamber. There is a venturi around the tip of the ceramic tube, angled with respect to the tube, through which the preheated combustion air flows. The venturi enhances mixing of the air with the gaseous fuel forward of the tip of the ceramic tube.
    Type: Grant
    Filed: November 24, 1982
    Date of Patent: January 5, 1988
    Assignee: GTE Products Corporation
    Inventor: Ray L. Newman
  • Carburetor deicer
    Patent number: 4717808
    Abstract: A heater for a fuel supply system including a carburetor and a manifold for an internal combustion engine, the heater including an electrically inert core and at least one PTC disposed within a cavity in the core, the PTC heater being disposed upon an electrically conductive stratum such as copper sheet and a graphite stratum disposed next adjacent the conductive stratum, the graphite stratum acting as a compressible heat transmitting gasket between the fuel heater and the carburetor whereby to heat the fuel and prevent icing.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: January 5, 1988
    Assignee: GTE Products
    Inventors: Kenneth M. Cyll, Mason G. Ide
  • Electroceramic heating devices with welded leads
    Patent number: 4713529
    Abstract: An electroceramic heater including a pair of metallized electrodes disposed upon the sides of an electroceramic body and a pair of lead wires gap is welded to said heater. A specially sized copper pad is disposed between the lead wires and the electrodes.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: December 15, 1987
    Assignee: GTE Products Corporation
    Inventors: Lionel J. Melanson, Richard C. Watson
  • Quartz glass crucibles
    Patent number: 4713104
    Abstract: A flat-bottomed quartz glass crucible for the manufacture of monocrystalline silicon is made by disposing granular quartz particles on a flat base in a cylindrical mold. A vacuum is drawn on the particles through vacuum holes in the base to retain the particles thereon while the base and mold are rotated, and while the particles are heated to fuse them into a quartz glass crucible shape.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: December 15, 1987
    Assignee: GTE Products Corporation
    Inventors: David R. Brown, Charles E. Frost, Jr., Kenneth A. White
  • PTC fuel heater for heating alcohol fuel
    Patent number: 4713524
    Abstract: A fuel heater for vaporization of an alcohol fuel from a fuel line to an internal combustion engine for delivering vaporous fuel to a carburetor. The fuel heater includes a stack of generally planar foraminous PTC heaters that are arranged in a container having an insulated interior defining a fuel flow path having an inlet and an outlet and are separated from each other by generally flat ring-like conductive spacers with electrically conductive ears having conductor receiving holes therein. Alternate conductive spacers are disposed in two channels in a housing and connected to opposite sides of a power supply whereby said PTC heaters can raise the temperature of the incoming fuel and vaporize it. Alternative ears of the electrically conductive spacers are radially offset from each other whereby one row of ears is disposed in one channel and another row is disposed in the other channel.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: December 15, 1987
    Assignee: GTE Products Corporation
    Inventors: Vincent B. Leo, Kenneth M. Cyll, Mason G. Ide
  • Method of joining pyrolytic boron nitride
    Patent number: 4711386
    Abstract: A pyrolytic boron nitride article is joined to a metal or ceramic member by use of a brazing alloy containing titanium as an active metal.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: December 8, 1987
    Assignee: GTE Products Corporation
    Inventor: Howard Mizuhara
  • Corrosion resistant thermostatic coil
    Patent number: 4698270
    Abstract: A spiral thermostatic coil is made from a four layer thermostatic metal comprising relatively thick intermediate LES and HES layers bonded to each other, a low expansion, corrosion-resistant, relatively thin metal layer bonded to the LES layer, and a high expansion, corrosion-resistant relatively thin metal layer bonded to the HES layer. The flexivity is reduced less than about 10% by the corrosion-resistant layers.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: October 6, 1987
    Assignee: GTE Products Corporation
    Inventor: Jacob J. Ornstein
  • Lamp incorporating phosphor blend of calcium fluorophosphate and strontium halophosphate
    Patent number: 4698548
    Abstract: Calcium fluorophosphate phosphor co-activated by specific levels of antimony and manganese emits in a narrow portion of the yellow region of the spectrum making such phosphor useful in fluorescent lamps. Furthermore, when blended in specific proportions with a blue-emitting divalent europium activated strontium halophosphate, and incorporated into a fluorescent lamp, the resultant lamp gives an increased lumen per watt output over a "cool white" lamp incorporating a standard "cool white" calcium halophosphate phosphor.
    Type: Grant
    Filed: March 5, 1987
    Date of Patent: October 6, 1987
    Assignee: GTE Products Corporation
    Inventors: Charles F. Chenot, Robert E. Taylor, deceased, Vincent Chiola, executrix, Wolfgang Walter
  • Bimetal thermostats and method of manufacture
    Patent number: 4694558
    Abstract: Ferrous bimetals bearing easily read indicia and methods of making them. The bimetals of the present invention have a transparent oxide coating of a controlled thickness in the interference range and are prepared by immersing them in a acid bath, then washing away a film that is formed, followed by tempering them in an oxidizing atmosphere. Bimetals prepared this way have a golden hue an are easily marked with indicia that can be read by a consumer.
    Type: Grant
    Filed: January 6, 1986
    Date of Patent: September 22, 1987
    Assignee: GTE Products Corporation
    Inventors: Ron J. DeNuccio, Han J. Kim, Chi H. Leung
  • Distributing frame for telecommunications circuits
    Patent number: 4694488
    Abstract: The present invention involves a modular distributing frame assembly for distributing telephone circuits. It includes a central office bay member which has a generally vertical hollow member with forward and rear surfaces. The forward surface has a plurality of alternating terminal blocks and interstices. Each terminal block communicates with the rear surface and provides appearances for office cables. The rear surface defines a vertical opening adapted to receive the office cables. The frame also includes an outside plant bay member with a generally vertical hollow member with forward and rear surfaces. The forward surface has a plurality of alternate terminal blocks and interstices. Each of the terminal blocks provides appearances for subscriber cables. The rear surface defines a vertical opening with a plurality of connector blocks mounted therein.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: September 15, 1987
    Assignee: GTE Products Corporation
    Inventors: Nils P. Mickelson, Jerauld C. MacFarlane
  • Silver-tungsten carbide-graphite electrical contact
    Patent number: 4689196
    Abstract: An electrical contact comprises 5 to 20 weight percent tungsten carbide, 0.5 to 3 weight percent graphite, balance silver. The contact has low erosion rate, low contact resistance, and anti-welding properties.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: August 25, 1987
    Assignee: GTE Products Corporation
    Inventor: Chi H. Leung
  • Heat recuperator having ceramic core
    Patent number: 4688629
    Abstract: In a recuperator having a ceramic core within a housing, a layer of intumescent material is disposed between a solid face of the core and the housing to aid in securing the core within the housing.
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: August 25, 1987
    Assignee: GTE Products Corporation
    Inventor: Kent H. Kohnken
  • Electrically heated insecticide dispenser
    Patent number: 4687904
    Abstract: An insecticide dispenser capable of setting off a charge of insecticide to fumigate a room and then automatically shutting itself off before the completion of the dispensing of the charge of the insecticide, whereby the dispenser can be safely left unattended during the fumigation of a room. The dispenser includes a container for the insecticide and a fusible member that will break during the volatilization of the insecticide thereby to break the electrical circuit and turn off the power supply.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: August 18, 1987
    Assignee: GTE Products Corporation
    Inventors: Lionel J. Melanson, Nabil Kamal