Patents Represented by Attorney Jane M. Binkowski
  • Patent number: 5015540
    Abstract: Fibrous material is coated with boron nitride and a silicon-wettable material, the coated fibrous material is admixed with an infiltration-promoting material which is at least partly elemental carbon and the mixture is formed into a preform which is infiltrated with molten silicon producing a composite containing boron nitride coated fibrous material.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: May 14, 1991
    Assignee: General Electric Company
    Inventors: Marcus P. Borom, William B. Hillig, Raj N. Singh, William A. Morrison, Leonard V. Interrante
  • Patent number: 5011049
    Abstract: A transfer tube is produced comprised of a high density ceramic oxide tube having directly bonded to its outer surface wall a low density ceramic oxide shell.
    Type: Grant
    Filed: April 17, 1989
    Date of Patent: April 30, 1991
    Assignee: General Electric Company
    Inventors: Marcus P. Borom, Lawrence E. Szala, Milivoj Brun, Steven A. Miller, David P. Mourer
  • Patent number: 5001014
    Abstract: A composite comprised of a sintered matrix of spinel ferrite and a non-exposed continuous phase of elemental silver or Ag-Pd alloy ranging to 25 atomic % Pd is produced by co-firing a laminated structure of ferrite powder-containing tapes containing non-exposed metallization-forming material. The composite can be formed into a composite product which contains a continuous silver or Ag-Pd alloy phase with two end portions wherein only the end portions are exposed.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: March 19, 1991
    Assignee: General Electric Company
    Inventors: Richard J. Charles, Achuta R. Gaddipati
  • Patent number: 5000909
    Abstract: A composite comprised of a sintered matrix of spinel ferrite and a non-exposed continuous phase of elemental silver or Ag-Pd alloy ranging to 25 atomic % Pd is produced by co-firing a laminated structure of ferrite powder-containing tapes containing non-exposed metallization-forming material. The composite can be formed into a composite product which contains a continuous silver or Ag-Pd alloy phase with two end portions wherein only the end portions are exposed.
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: March 19, 1991
    Assignee: General Electric Company
    Inventors: Richard J. Charles, Achuta R. Gaddipati
  • Patent number: 4996192
    Abstract: A polycrystalline Y-Ba-Cu-O superconductor doped with sufficient .sup.235 U and/or .sup.239 Pu atoms is irradiated with thermal neutrons to produce from about 2.5.times.10.sup.14 to about 50.times.10.sup.14 fission events per cubic centimeter of superconductor.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: February 26, 1991
    Assignee: General Electric Company
    Inventor: Robert L. Fleischer
  • Patent number: 4993607
    Abstract: An integral transfer tube is produced comprised of a hollow high density ceramic oxide tube having its outer surface wall surrounded by a low density ceramic oxide shell, and having a heating element comprised of a heating wound portion and two end portions wherein the wound portion is intermediate the tube and the shell, and wherein at least a sufficient amount of the end portions are exposed for electrical attachment.
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: February 19, 1991
    Assignee: General Electric Company
    Inventors: Milivoj K. Brun, Marcus P. Borom, Steven A. Miller, Lawrence E. Szala, Paul S. Svec
  • Patent number: 4990493
    Abstract: A superconductive polycrystalline body is produced having a composition selected from the group consisting of Y.sub.1-x (Ln).sub.x Ba.sub.2 Cu.sub.3 O.sub.7-7, La.sub.1-x (Ln).sub.x Ba.sub.2 Cu.sub.3 O.sub.7-y and a combination thereof wherein x ranges from about 0.01 to about 0.5, y ranges up to about 0.3, and where Ln is selected from the group consisting of Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and a combination thereof.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: February 5, 1991
    Assignee: General Electric Company
    Inventor: Kenneth W. Lay
  • Patent number: 4981822
    Abstract: A composite is produced by depositing a slurry of infiltration-promoting material and organic binding material on a layer of boron nitride coated fibrous material forming a tape therewith on drying, firing the tape to burn out organic binding material and infiltrating the resulting porous body with a solution of boron and silicon.
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: January 1, 1991
    Assignee: General Electric Company
    Inventors: Raj N. Singh, Achuta R. Gaddipati
  • Patent number: 4978039
    Abstract: An integral transfer tube is produced comprised of a hollow high density ceramic oxide tube having its outer surface wall surrounded by a low density multilayered ceramic oxide shell, and having a heating element comprised of a heating wound portion and two end portions wherein the wound portion is intermediate the tube and the shell, and wherein at least a sufficient amount of the end portions are exposed for electrical attachment.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: December 18, 1990
    Assignee: General Electric Company
    Inventors: Milivoj K. Brun, Marcus P. Borom, Steven A. Miller, Lawrence E. Szala, Paul S. Svec
  • Patent number: 4966201
    Abstract: A transfer tube is produced comprised of a high density ceramic oxide tube having a low density multi-layered ceramic oxide shell directly bonded to its outer surface wall.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: October 30, 1990
    Assignee: General Electric Company
    Inventors: Paul S. Svec, Marcus P. Borom, Lawrence E. Szala, Milivoj K. Brun, Steven A. Miller, David P. Mourer
  • Patent number: 4966625
    Abstract: A composite comprises of a sintered matrix of spinel ferrite and an electrically conductive phase of elemental silver is produced by co-firing a laminated structure of ferrite powder-containing tapes containing a silver metallization-forming material having two end portions wherein only the end portions are exposed.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: October 30, 1990
    Assignee: General Electric Company
    Inventors: Richard J. Charles, Achuta R. Gaddipati
  • Patent number: 4959346
    Abstract: A composite is produced comprised of Y--Ba--Cu--O superconductive film having a zero resistance transition temperature of at least about 38 K, a zirconium dioxide film and a substrate wherein the zirconium dioxide film is intermediate the superconductive film and the substrate.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: September 25, 1990
    Assignee: General Electric Company
    Inventors: Antonio Mogro-Campero, Larry G. Turner
  • Patent number: 4959262
    Abstract: A varistor device comprised of a multi-layer zinc oxide varistor matrix containing metallizations of silver.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: September 25, 1990
    Assignee: General Electric Company
    Inventors: Richard J. Charles, Achuta R. Gaddipati
  • Patent number: 4946082
    Abstract: An integral transfer tube is produced comprised of a hollow high density ceramic oxide tube having its outer surface wall surrounded by a low density ceramic oxide shell, and having a heating element comprised of a heating wound portion and two end portions wherein the wound portion is intermediate the tube and the shell, and wherein at least a sufficient amount of the end portions are exposed for electrical attachment.
    Type: Grant
    Filed: July 10, 1989
    Date of Patent: August 7, 1990
    Assignee: General Electric Company
    Inventors: Milivoj K. Brun, Marcus P. Borom, Steven A. Miller, Lawrence E. Szala, Paul S. Svec
  • Patent number: 4944904
    Abstract: Fibrous material is coated with boron nitride and a silicon-wettable material, the coated fibrous material is admixed with an infiltration-promoting material which is at least partly elemental carbon and the mixture is formed into a preform which is infiltrated with a molten solution of boron and silicon producing a composite containing boron nitride coated fibrous material.
    Type: Grant
    Filed: July 8, 1988
    Date of Patent: July 31, 1990
    Assignee: General Electric Company
    Inventors: Raj N. Singh, William A. Morrison
  • Patent number: 4933309
    Abstract: A composite is produced comprised of ceramic oxide fibrous material which is coated with a noble metal and disposed in a ceramic oxide matrix. The composite can be produced by contacting the coated fibrous material with matrix-forming oxide powder to form a compact and densifying the compact. Densification can be carried out by techniques such as sintering, isostatic pressing, and hot pressing. The composite can also be produced by forming the coated fibrous material into a preform having an open porosity and infiltrating the preform with a vapor of the matrix-forming material.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: June 12, 1990
    Assignee: General Electric Company
    Inventor: Krishan L. Luthra
  • Patent number: 4931311
    Abstract: A composite is produced by admixing a matrix-forming material with organic binding material, forming the resulting mixture into a tape, disposing a layer of spaced boron nitride coated filaments between at least two of the tapes to form a layered structure, laminating the layered structure, heating the layered structure to remove organic binding material and hot pressing the resulting porous structure to form a composite containing spaced boron nitride coated filaments.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: June 5, 1990
    Assignee: General Electric Company
    Inventors: Raj N. Singh, Achuta R. Gaddipati
  • Patent number: 4921822
    Abstract: A composite is produced comprised of ceramic oxide fibrous material which is coated with a noble metal and disposed in a polycrystalline ceramic oxide matrix.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: May 1, 1990
    Assignee: General Electric Company
    Inventor: Krishan L. Luthra
  • Patent number: 4917941
    Abstract: A fiber- and filament-containing ceramic preform comprised of a mixture of discontinuous fibers and particulates surrounding a layer of continuous filaments extending substantially through the mixture is produced and infiltrated with a molten ceramic to produce a composite.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: April 17, 1990
    Assignee: General Electric Company
    Inventors: William B. Hillig, Henry C. McGuigan
  • Patent number: 4915760
    Abstract: A composite is produced by depositing an organic slurry of ceramic matrix-forming material on a layer of boron nitride coated fibrous material forming a tape therewith on drying, forming a layered structure of the tapes, laminating the structure, firing the laminated structure to burn out organic material and hot pressing the resulting porous structure to form a composite.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: April 10, 1990
    Assignee: General Electric Company
    Inventors: Raj N. Singh, Achuta R. Gaddipati