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John A. Barclay

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  • Madison, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slush hydrogen production method and apparatus
    • Patent number 6,758,046
    • Issue date Jul 6, 2004
    • Astronautics Corporation of America
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary dipole active magnetic regenerative refrigerator
    • Patent number 5,182,914
    • Issue date Feb 2, 1993
    • Astronautics Corporation of America
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Magnetic refrigeration apparatus for He II production
    • Patent number 4,956,976
    • Issue date Sep 18, 1990
    • Astronautics Corporation of America
    • Stephen F. Kral
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Magnetic refrigeration apparatus with belt of ferro or paramagnetic...
    • Patent number 4,704,871
    • Issue date Nov 10, 1987
    • The United States of America as represented by the United States Department o...
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Magnetic refrigeration apparatus with conductive heat transfer
    • Patent number 4,702,090
    • Issue date Oct 27, 1987
    • Astronautics Corporation of America
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Magnetic refrigeration apparatus with heat pipes
    • Patent number 4,642,994
    • Issue date Feb 17, 1987
    • The United States of America as represented by the United States Department o...
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary multiposition valve
    • Patent number 4,553,566
    • Issue date Nov 19, 1985
    • The United States of America as represented by the United States Department o...
    • John A. Barclay
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Low-temperature magnetic refrigerator
    • Patent number 4,507,927
    • Issue date Apr 2, 1985
    • The United States of America as represented by the United States Department o...
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Magnetic refrigeration apparatus and method
    • Patent number 4,459,811
    • Issue date Jul 17, 1984
    • The United States of America as represented by the United States Department o...
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Wheel-type magnetic refrigerator
    • Patent number 4,408,463
    • Issue date Oct 11, 1983
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Active magnetic regenerator
    • Patent number 4,332,135
    • Issue date Jun 1, 1982
    • The United States of America as respresented by the United States Department...
    • John A. Barclay
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...