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Patents Grantslast 30 patents

  • Information Patent Grant

    Vapor compression distillation system and method

    • Patent number 5,968,321
    • Issue date Oct 19, 1999
    • Ridgewood WaterPure Corporation
    • Stephan B. Sears
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus of concentrating chemicals for semiconductor d...

    • Patent number 5,900,124
    • Issue date May 4, 1999
    • Samsung Electronics Co., Ltd.
    • Yong-woo Her
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3524222

    • Patent number 3,524,222
    • Issue date Aug 18, 1970
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3477094

    • Patent number 3,477,094
    • Issue date Nov 11, 1969
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    3469617

    • Patent number 3,469,617
    • Issue date Sep 30, 1969
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3141807

    • Patent number 3,141,807
    • Issue date Jul 21, 1964
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3129132

    • Patent number 3,129,132
    • Issue date Apr 14, 1964
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2994647

    • Patent number 2,994,647
    • Issue date Aug 1, 1961
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2842195

    • Patent number 2,842,195
    • Issue date Jul 8, 1958
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2825653

    • Patent number 2,825,653
    • Issue date Mar 4, 1958
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2624955

    • Patent number 2,624,955
    • Issue date Jan 13, 1953
    • F26 - DRYING
  • Information Patent Grant

    2554138

    • Patent number 2,554,138
    • Issue date May 22, 1951
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2146532

    • Patent number 2,146,532
    • Issue date Feb 7, 1939
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    1249001

    • Patent number 1,249,001
    • Issue date Dec 4, 1917
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents