Patents Represented by Attorney Leo I. MaLossi

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  • Process for electrolyte structure with strontium titanate matrix for molten carbonate fuel cells
    Patent number: 4242426
    Abstract: An electrolyte structure is produced composed of an electrolyte and a matrix of strontium titanate.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: December 30, 1980
    Assignee: General Electric Company
    Inventor: Ronald H. Arendt
  • Composite of polycrystalline diamond and/or cubic boron nitride body/silicon carbide substrate
    Patent number: 4242106
    Abstract: A shaped confined structure composed of a mass of diamond and/or cubic boron nitride crystals coated with elemental non-diamond carbon in contact with a supporting silicon carbide substrate is infiltrated by fluid silicon producing a like-shaped composite of a polycrystalline body component integrally bonded to the supporting silicon carbide substrate.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: December 30, 1980
    Assignee: General Electric Company
    Inventor: Charles R. Morelock
  • Polycrystalline diamond body/silicon carbide substrate composite
    Patent number: 4241135
    Abstract: A mass of diamond crystals in contact with a mass of eutectiferous silicon-rich alloy and a silicon carbide ceramic substrate are disposed in a container and placed within a pressure transmitting powder medium. Pressure is applied to the powder medium resulting in substantially isostatic pressure being applied to the container and its contents sufficient to dimensionally stabilize the container and its contents. The resulting shaped substantially isostatic system of powder-enveloped container is hot-pressed whereby fluid eutectiferous silicon-rich alloy is produced and infiltrated through the interstices between the diamond crystals and contacts the contacting face of the silicon carbide substrate sufficiently producing, upon cooling, an adherently bonded integral composite.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: December 23, 1980
    Assignee: General Electric Company
    Inventors: Minyoung Lee, Lawrence E. Szala, Robert C. DeVries
  • Method for minimizing the formation of a metal-ceramic layer during casting of superalloy materials
    Patent number: 4240828
    Abstract: A method for minimizing the formation of a reaction layer at the metal-ceramic interface comprises doping a superalloy material with the rare earth metal whose metal cation is in the ceramic material comprising the mold and/or core used in casting and directionally solidifying the superalloy material.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: December 23, 1980
    Assignee: General Electric Company
    Inventor: Irvin C. Huseby
  • Sensitized stainless steel having integral normalized surface region
    Patent number: 4239556
    Abstract: A body of sensitized stainless steel is afforded passivity for exposure to a corrosive environment by an integral surface region of normalized stainless shell formed in situ by laser beam scanning.
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: December 16, 1980
    Assignee: General Electric Company
    Inventors: Harvey E. Cline, Thomas R. Anthony, Harvey D. Solomon
  • Bone implant embodying a composite high and low density fired ceramic construction
    Patent number: 4237559
    Abstract: A composite high and low density fired ceramic article is employed as a bone implant. High density ceramic material forms the core or structural member of the composite. An integral inner portion of ceramic material having interconnected porosity encourages the growth of new bone marrow. An integral outer portion of porous ceramic material provides a means for bone and tissue attachment.
    Type: Grant
    Filed: May 11, 1979
    Date of Patent: December 9, 1980
    Assignee: General Electric Company
    Inventor: Marcus P. Borom
  • Nuclei analysis of solid substances
    Patent number: 4238194
    Abstract: The presence of red phosphorus in solid form is detected through the use of a condensation nuclei detector and the preliminary steps of reacting the phosphorus body with ozone and then removing solid particles from a sample of the resulting gas mixture and forming phosphoric acid nuclei in the filtered gas sample.
    Type: Grant
    Filed: October 4, 1966
    Date of Patent: December 9, 1980
    Assignee: General Electric Company
    Inventor: Stuart B. Dunham
  • Zirconium alloy heat treatment process and product
    Patent number: 4238251
    Abstract: Zirconium-base alloy channels and fuel cladding tubes having unique resistance to accelerated pustular corrosion in the boiling water reactor environment are produced by a heat treatment causing segregation of intermetallic particulate precipitate phase in two dimensional arrays preferably located along grain boundaries and subgrain boundaries throughout the alloy body.
    Type: Grant
    Filed: November 18, 1977
    Date of Patent: December 9, 1980
    Assignee: General Electric Company
    Inventors: Cedric D. Williams, Andrew W. Urquhart, James L. Walker, Richard A. Proebstle, Timothy J. Black
  • Method of making hysteresis motor rotor using amorphous magnetic alloy ribbons
    Patent number: 4234360
    Abstract: A magnetic alloy is cast as an amorphous metal ribbon and wound on a rotor shaft of a hysteresis motor and then heated to crystallize the metal ribbon and greatly increase its coercive force prior to assembling the rotor with the stator of the motor.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: November 18, 1980
    Assignee: General Electric Company
    Inventors: Peter G. Frischmann, Fred E. Luborsky, Russell E. Tompkins
  • Molten salt synthesis of orthorhombic lead metaniobate powder
    Patent number: 4234558
    Abstract: A mixture of lead oxide, niobium pentoxide and an alkali chloride salt solvent is heated to melt the chloride salt solvent in which the lead oxide and niobium pentoxide dissolve and react precipitating orthorhombic lead metaniobate.
    Type: Grant
    Filed: October 18, 1979
    Date of Patent: November 18, 1980
    Assignee: General Electric Company
    Inventors: Ronald H. Arendt, Joseph H. Rosolowski
  • Polycrystalline diamond body/silicon nitride substrate composite
    Patent number: 4234661
    Abstract: A mass of diamond crystals in contact with a mass of eutectiferous silicon-rich alloy and a silicon nitride ceramic substrate are disposed in a container and placed within a pressure transmitting powder medium. Pressure is applied to the powder medium resulting in substantially isostatic pressure being applied to the container and its contents sufficient to dimensionally stabilize the container and its contents. The resulting shaped substantially isostatic system of powder-enveloped container is hot-pressed whereby fluid eutectiferous silicon-rich alloy is produced and infiltrated through the interstices between the diamond crystals and contacts the contacting face of the silicon nitride substrate sufficiently producing, upon cooling, an adherently bonded integral composite.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: November 18, 1980
    Assignee: General Electric Company
    Inventors: Minyoung Lee, Lawrence E. Szala, Robert C. DeVries
  • Magnesia insulated heating elements and method of making the same
    Patent number: 4234786
    Abstract: Compacted, granular, fused magnesia used as thermally-conducting electrical insulation in tubular, electrical resistance elements is substantially improved in thermal conductivity through the addition of 0.1 to 10.0 percent of a glass comprising CaO, B.sub.2 O.sub.3 and optionally Al.sub.2 O.sub.3 and method of making said tubular, electrical resistance elements.
    Type: Grant
    Filed: February 12, 1979
    Date of Patent: November 18, 1980
    Assignee: General Electric Company
    Inventors: Marcus P. Borom, John Schultz, Jr.
  • Molten salt synthesis of modified alkali niobate powders
    Patent number: 4234436
    Abstract: A mixture of niobium pentoxide, an oxide of sodium or potassium, an oxide of lead or cadmium, and an alkali chloride salt solvent is heated to melt the chloride salt solvent in which all of the oxides dissolve and react precipitating modified alkali niobate.
    Type: Grant
    Filed: October 18, 1979
    Date of Patent: November 18, 1980
    Assignee: General Electric Company
    Inventors: Ronald H. Arendt, Joseph H. Rosolowski
  • Guard ring for TGZM processing
    Patent number: 4233934
    Abstract: A guard ring for processing a wafer of semiconductor material by thermal gradient zone melting has a beveled internal wall surface for supporting the wafer therein. The thickness of the guard ring is about twice the thickness of the wafer.
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: November 18, 1980
    Assignee: General Electric Company
    Inventors: Thomas R. Anthony, Harvey E. Cline, David K. Hartman, Mike F. Chang
  • Molten salt synthesis of alkali niobate powders
    Patent number: 4234557
    Abstract: A mixture of niobium pentoxide, an oxide of an alkali selected from the group consisting of sodium, potassium, lithium and mixtures thereof, and an alkali chloride salt solvent is heated to melt the chloride salt solvent in which the niobium oxide and alkali oxide dissolve and react precipitating the alkali niobate.
    Type: Grant
    Filed: October 18, 1979
    Date of Patent: November 18, 1980
    Assignee: General Electric Company
    Inventors: Ronald H. Arendt, Joseph H. Rosolowski
  • Molten salt synthesis of barium and/or strontium titanate powder
    Patent number: 4233282
    Abstract: A particulate mixture of an alkali chloride solvent salt, titanium oxide and an alkaline earth reactant selected from the group consisting of barium oxide, strontium oxide, and mixtures thereof, is heated to melt the chloride salt solvent in which the titanium oxide and alkaline earth reactant dissolve and react precipitating a titanate selected from the group consisting of barium titanate, strontium titanate and mixtures thereof.
    Type: Grant
    Filed: October 18, 1979
    Date of Patent: November 11, 1980
    Assignee: General Electric Company
    Inventor: Ronald H. Arendt
  • Heat recovery high intensity discharge lamp constructions
    Patent number: 4232360
    Abstract: Composite high intensity discharge lamp constructions are described adapted for use in the recovery, in the form of heat, of energy in the non-visible frequencies emitted by such lamps. A transparent sleeve is disposed around and spaced from the lamp body being directly or indirectly connected thereto. Air passing between the sleeve and the lamp is brought into intimate heat transfer contact with both the outer surface of the lamp outer envelope and the inner surface of the sleeve.
    Type: Grant
    Filed: January 11, 1978
    Date of Patent: November 4, 1980
    Assignee: General Electric Company
    Inventors: Himanshu B. Vakil, Seth D. Silverstein
  • Polycrystalline diamond body and process
    Patent number: 4231195
    Abstract: An adherently bonded polycrystalline diamond body is produced by forming a charge composed of a mass of diamond crystals in contact with a mass of eutectiferous silicon-rich alloy wherein the alloy is in contact or in association with hexagonal boron nitride, confining such charge within a reaction chamber, subjecting the confined charge to a pressure of at least 25 kilobars, heating the pressure-maintained charge to a temperature sufficient to melt the alloy and at which no significant graphitization of the diamond occurs whereby the alloy infiltrates through the interstices between the diamond crystals producing said body.
    Type: Grant
    Filed: May 24, 1979
    Date of Patent: November 4, 1980
    Assignee: General Electric Company
    Inventors: Robert C. DeVries, Minyoung Lee, Lawrence E. Szala, Roy E. Tuft
  • Method for producing high density and high conductivity metal pressings
    Patent number: 4227926
    Abstract: High density and high conductivity metal pressings of normally soft and reducible metals such as copper are produced by impregnating the voids of the metal pressing to permit all gases to be expelled before the pores are closed during the sintering operation.
    Type: Grant
    Filed: October 24, 1978
    Date of Patent: October 14, 1980
    Assignee: General Electric Company
    Inventor: Harold H. Hirsch
  • Dressing and conditioning resin-bonded diamond grinding wheel
    Patent number: 4226055
    Abstract: A method comprising contacting a wetting liquid with the surface of a resin-bonded diamond grinding wheel, wetting and forming a film on the face of the resin component of the wheel surface, and grinding and resulting wetted wheel surface with a silicon carbide or silicon nitride ceramic body generating ceramic chips which adhere to said wetted resin face forming a slurry layer thereon which simultaneously dresses and conditions said wheel during grinding.
    Type: Grant
    Filed: June 8, 1979
    Date of Patent: October 7, 1980
    Assignee: General Electric Company
    Inventors: Rangachary Komanduri, William R. Reed, Jr.