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Robert A. Holzl

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  • Flintridge, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High strength alloys and methods for making same
    • Patent number 7,513,961
    • Issue date Apr 7, 2009
    • Robert A. Holzl
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    High strength alloys and methods for making same
    • Patent number 6,827,796
    • Issue date Dec 7, 2004
    • Composite Tool Company, Inc.
    • Robert A. Holzl
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Oxidation resistant carbon and method for making same
    • Patent number 5,368,938
    • Issue date Nov 29, 1994
    • Air Products and Chemicals, Inc.
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Oxidation resistant carbon and method for making same
    • Patent number 5,304,397
    • Issue date Apr 19, 1994
    • Air Products and Chemicals, Inc.
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Oxidation resistant carbon and method for making same
    • Patent number 5,286,565
    • Issue date Feb 15, 1994
    • Air Products and Chemicals, Inc.
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Structral articles
    • Patent number 5,260,096
    • Issue date Nov 9, 1993
    • Air Products and Chemicals, Inc.
    • Robert A. Holzl
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Composite stiff lightweight structure and method for making same
    • Patent number 5,076,982
    • Issue date Dec 31, 1991
    • Air Products and Chemicals, Inc.
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Composite stiff lightweight structure and method for making same
    • Patent number 4,716,064
    • Issue date Dec 29, 1987
    • Air Products and Chemicals, Inc.
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Deposition of titanium aluminides
    • Patent number 4,698,244
    • Issue date Oct 6, 1987
    • Air Products and Chemicals, Inc.
    • Robert E. Benander
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for making self-protecting carbon bodies
    • Patent number 4,591,514
    • Issue date May 27, 1986
    • Air Products and Chemicals, Inc.
    • Robert A. Holzl
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Self protecting carbon bodies and method for making same
    • Patent number 4,515,860
    • Issue date May 7, 1985
    • Dart Industries Inc.
    • Robert A. Holzl
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Tungsten alloys containing A15 structure and method for making same
    • Patent number 4,427,445
    • Issue date Jan 24, 1984
    • Dart Industries, Inc.
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Deposition method and products
    • Patent number 4,239,819
    • Issue date Dec 16, 1980
    • Chemetal Corporation
    • Robert A. Holzl
    • C30 - CRYSTAL GROWTH
  • Information Patent Grant

    Mass spectrometer filter
    • Patent number 4,202,080
    • Issue date May 13, 1980
    • U.T.I.-Spectrotherm Corporation
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Deposition method and products
    • Patent number 4,162,345
    • Issue date Jul 24, 1979
    • Chemetal Corporation
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Deposition method and products
    • Patent number 4,153,483
    • Issue date May 8, 1979
    • Chemetal Corporation
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Deposition method and products
    • Patent number 4,147,820
    • Issue date Apr 3, 1979
    • Chemetal Corporation
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Mandrel for formation of mass spectrometer filter
    • Patent number 4,106,744
    • Issue date Aug 15, 1978
    • Analog Technology Corporation
    • James L. Lawrence
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Mass spectrometer filter
    • Patent number 4,079,254
    • Issue date Mar 14, 1978
    • Analog Technology Corporation
    • James L. Lawrence
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Deposition method
    • Patent number 4,040,870
    • Issue date Aug 9, 1977
    • Chemetal Corporation
    • Robert A. Holzl
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Cutting tool and method for making same
    • Patent number 4,008,976
    • Issue date Feb 22, 1977
    • Chemetal Corporation
    • Robert A. Holzl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents