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Nutech Energy Systems Inc.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Connection collar having an adjustable damper
    • Patent number 6,082,704
    • Issue date Jul 4, 2000
    • Nutech Energy Systems Inc.
    • Peter Karl Grinbergs
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Combined furnace and heat recovery system
    • Patent number 5,855,320
    • Issue date Jan 5, 1999
    • Nutech Energy Systems Inc.
    • Peter Karl Grinbergs
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air-to-air heat exchanger core
    • Patent number 5,785,117
    • Issue date Jul 28, 1998
    • Nutech Energy Systems Inc.
    • Peter Karl Grinbergs
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat recovery ventilator with room air defrosting feature
    • Patent number 5,632,334
    • Issue date May 27, 1997
    • Nutech Energy Systems Inc.
    • Peter K. Grinbergs
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat recovery ventilator
    • Patent number D376842
    • Issue date Dec 24, 1996
    • Nutech Energy Systems Inc.
    • John Franklin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fluid purification
    • Patent number 5,126,111
    • Issue date Jun 30, 1992
    • Nutech Energy Systems Inc.
    • Hussain Al-Ekabi
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Fluid purification
    • Patent number 5,032,241
    • Issue date Jul 16, 1991
    • Nutech Energy Systems Inc.
    • Michael K. Robertson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Fluid purification
    • Patent number 4,966,759
    • Issue date Oct 30, 1990
    • Nutech Energy Systems Inc.
    • Michael K. Robertson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Fluid purification
    • Patent number 4,892,712
    • Issue date Jan 9, 1990
    • Nutech Energy Systems Inc.
    • Michael K. Robertson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Machine and method for the manufacture of an air-to-air heat exchanger
    • Patent number 4,554,719
    • Issue date Nov 26, 1985
    • Nutech Energy Systems, Inc.
    • James H. Lewis
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    76366509 - THE SIGN OF A HEALTHY HOME
    • Serial number 76366509
    • Registration number 3069629
    • Filing date Feb 5, 2002
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    76140551 - CONTROLAIR-15
    • Serial number 76140551
    • Filing date Oct 3, 2000
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    75465255 - TFP ELIMINATOR
    • Serial number 75465255
    • Registration number 2513667
    • Filing date Apr 9, 1998
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    75033322 - TFP
    • Serial number 75033322
    • Registration number 2110316
    • Filing date Dec 15, 1995
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74545708 - MAXTOP
    • Serial number 74545708
    • Registration number 1986158
    • Filing date Jul 5, 1994
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74545710 - REFRESH
    • Serial number 74545710
    • Filing date Jul 5, 1994
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74545713 - AIR SENTRY
    • Serial number 74545713
    • Registration number 2027484
    • Filing date Jul 5, 1994
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74545233 - TRADEWINDS
    • Serial number 74545233
    • Filing date Jul 1, 1994
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74484229 - TECHGRILLE
    • Serial number 74484229
    • Registration number 1925305
    • Filing date Jan 31, 1994
    • Nutech Energy Systems, Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    74467502 - LIFEBREATH
    • Serial number 74467502
    • Registration number 1885946
    • Filing date Dec 9, 1993
    • Nutech Energy Systems Inc.
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes