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A. Duane Preston

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  • New Prague, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Carbon dioxide dry cleaning system
    • Patent number 6,851,148
    • Issue date Feb 8, 2005
    • Chart Inc.
    • A. Duane Preston
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Shaft seal system with leak management
    • Patent number 6,474,115
    • Issue date Nov 5, 2002
    • Chart Inc.
    • A. Duane Preston
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Carbon dioxide dry cleaning system
    • Patent number 6,442,980
    • Issue date Sep 3, 2002
    • Chart Inc.
    • A. Duane Preston
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    High pressure chamber door seal with leak detection system
    • Patent number 6,349,947
    • Issue date Feb 26, 2002
    • MVE, Inc.
    • Jon R. Turner
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Carbon dioxide dry cleaning system
    • Patent number 6,216,302
    • Issue date Apr 17, 2001
    • MVE, Inc.
    • A. Duane Preston
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Transfer system for cryogenic liquids
    • Patent number 6,044,647
    • Issue date Apr 4, 2000
    • MVE, Inc.
    • Thomas K. Drube
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Carbon dioxide dry cleaning system
    • Patent number 5,904,737
    • Issue date May 18, 1999
    • MVE, Inc.
    • A. Duane Preston
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Support system for cryogenic vessels
    • Patent number 5,651,473
    • Issue date Jul 29, 1997
    • MVE, Inc.
    • A. Duane Preston
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

  • Information Patent Application

    Carbon dioxide dry cleaning system
    • Publication number 20050108829
    • Publication date May 26, 2005
    • CHART INC.
    • A. Duane Preston
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    Carbon dioxide dry cleaning system
    • Publication number 20030005523
    • Publication date Jan 9, 2003
    • A. Duane Preston
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    Carbon dioxide dry cleaning system
    • Publication number 20020004954
    • Publication date Jan 17, 2002
    • A. Duane Preston
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...