TREA

Gretz L. Hazen

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  • Fort Atkinson, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making cheese
    • Patent number 4,372,983
    • Issue date Feb 8, 1983
    • DEC International, Inc.
    • Gretz L. Hazen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Closed cheese making vat with recirculating whey
    • Patent number 4,321,860
    • Issue date Mar 30, 1982
    • DEC International Inc.
    • Gretz L. Hazen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Enclosed finishing vat for cheese making
    • Patent number 4,308,791
    • Issue date Jan 5, 1982
    • DEC International, Inc.
    • Gretz L. Hazen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus for separating fines from whey
    • Patent number 4,300,445
    • Issue date Nov 17, 1981
    • DEC International, Inc.
    • Gretz L. Hazen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Apparatus for salting cheese
    • Patent number 4,300,446
    • Issue date Nov 17, 1981
    • DEC International, Inc.
    • Gretz L. Hazen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Cheese making apparatus
    • Patent number 4,217,818
    • Issue date Aug 19, 1980
    • DEC International, Inc.
    • Gretz L. Hazen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Cheese making apparatus
    • Patent number 4,089,243
    • Issue date May 16, 1978
    • DEC International, Inc.
    • Gretz L. Hazen
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES