TREA

Freezing

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  • Y10S159/05
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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S159/00Concentrating evaporators

Current Industry

Y10S159/05Freezing
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for treating mechanical pulp plant effluent
    • Patent number 5,174,859
    • Issue date Dec 29, 1992
    • HPD Incorporated
    • Timothy J. Rittof
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for separating soap from black liquor
    • Patent number 4,022,653
    • Issue date May 10, 1977
    • Westvaco Corporation
    • Hong H. Lee
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Freeze-thaw method for reducing mineral content of a clay-water mix...
    • Patent number 4,018,682
    • Issue date Apr 19, 1977
    • Sunoco Energy Development Co.
    • Jackson S. Boyer
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for purification by cryogenic sublimation
    • Patent number 3,992,159
    • Issue date Nov 16, 1976
    • Bell Telephone Laboratories, Incorporated
    • James Windfield Mitchell
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Freeze concentration recovery process for wood pulping
    • Patent number 3,987,641
    • Issue date Oct 26, 1976
    • Westvaco Corporation
    • Hong H. Lee
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3922154
    • Patent number 3,922,154
    • Issue date Nov 25, 1975
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3620776
    • Patent number 3,620,776
    • Issue date Nov 16, 1971
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3491543
    • Patent number 3,491,543
    • Issue date Jan 27, 1970
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3477137
    • Patent number 3,477,137
    • Issue date Nov 11, 1969
    • F26 - DRYING
  • Information Patent Grant

    3436837
    • Patent number 3,436,837
    • Issue date Apr 8, 1969
    • F26 - DRYING
  • Information Patent Grant

    3431655
    • Patent number 3,431,655
    • Issue date Mar 11, 1969
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3404537
    • Patent number 3,404,537
    • Issue date Oct 8, 1968
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3396475
    • Patent number 3,396,475
    • Issue date Aug 13, 1968
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3362835
    • Patent number 3,362,835
    • Issue date Jan 9, 1968
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3319344
    • Patent number 3,319,344
    • Issue date May 16, 1967
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3313032
    • Patent number 3,313,032
    • Issue date Apr 11, 1967
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3290788
    • Patent number 3,290,788
    • Issue date Dec 13, 1966
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3269025
    • Patent number 3,269,025
    • Issue date Aug 30, 1966
    • F26 - DRYING
  • Information Patent Grant

    3264745
    • Patent number 3,264,745
    • Issue date Aug 9, 1966
    • F26 - DRYING
  • Information Patent Grant

    3255603
    • Patent number 3,255,603
    • Issue date Jun 14, 1966
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3253420
    • Patent number 3,253,420
    • Issue date May 31, 1966
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3248890
    • Patent number 3,248,890
    • Issue date May 3, 1966
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3220203
    • Patent number 3,220,203
    • Issue date Nov 30, 1965
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3218725
    • Patent number 3,218,725
    • Issue date Nov 23, 1965
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3212999
    • Patent number 3,212,999
    • Issue date Oct 19, 1965
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3204419
    • Patent number 3,204,419
    • Issue date Sep 7, 1965
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3167401
    • Patent number 3,167,401
    • Issue date Jan 26, 1965
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3098735
    • Patent number 3,098,735
    • Issue date Jul 23, 1963
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3050113
    • Patent number 3,050,113
    • Issue date Aug 21, 1962
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3024117
    • Patent number 3,024,117
    • Issue date Mar 6, 1962
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

Patents Applicationslast 30 patents