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Charles D. Litvin

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  • West Chester, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Insulated box fan
    • Patent number RE40298
    • Issue date May 6, 2008
    • Lasko Holdings, Inc.
    • Charles Litvin
    • 417 - Pumps
  • Information Patent Grant

    Fan grill construction
    • Patent number 6,585,489
    • Issue date Jul 1, 2003
    • Lasko Holdings Inc.
    • James B. Perella
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combination floor and wall mount pivoting fan
    • Patent number 6,336,793
    • Issue date Jan 8, 2002
    • Lasko Holdings, Inc.
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Insulated box fan
    • Patent number 6,309,192
    • Issue date Oct 30, 2001
    • Lasko Holdings, Inc.
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan construction
    • Patent number 6,120,248
    • Issue date Sep 19, 2000
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High velocity fan
    • Patent number 6,099,258
    • Issue date Aug 8, 2000
    • Lasko Holdings, Inc.
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ratchet assembly for pedestal fan
    • Patent number 6,079,949
    • Issue date Jun 27, 2000
    • Lasko Holdings, Inc.
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High velocity fan
    • Patent number 6,071,079
    • Issue date Jun 6, 2000
    • Lasko Holdings, Inc. USA
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid reservoir tank
    • Patent number 5,967,380
    • Issue date Oct 19, 1999
    • Lasko Holdings, Inc.
    • Charles Litvin
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Pedestal fan
    • Patent number D414858
    • Issue date Oct 5, 1999
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier
    • Patent number D413661
    • Issue date Sep 7, 1999
    • Lasko Holdings, Inc.
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pedestal fan
    • Patent number D412743
    • Issue date Aug 10, 1999
    • Lasko Holdings, Inc.
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pivot fan
    • Patent number D409298
    • Issue date May 4, 1999
    • Lasko Holdings, Inc.
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pivot fan
    • Patent number D400242
    • Issue date Oct 27, 1998
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pivot fan
    • Patent number D391631
    • Issue date Mar 3, 1998
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Oscillating table top fan
    • Patent number D391346
    • Issue date Feb 24, 1998
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Window fan
    • Patent number D385623
    • Issue date Oct 28, 1997
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pivot fan
    • Patent number 5,609,473
    • Issue date Mar 11, 1997
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pivot fan
    • Patent number D376005
    • Issue date Nov 26, 1996
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Portable humidifier
    • Patent number 5,490,957
    • Issue date Feb 13, 1996
    • William E. Lasko
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Tubing connector
    • Patent number 5,454,661
    • Issue date Oct 3, 1995
    • Charles Litvin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pedestal fan
    • Patent number D355483
    • Issue date Feb 14, 1995
    • Lasko Holdings, Inc.
    • Charles Litvin
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Pedestal fan
    • Patent number 5,368,445
    • Issue date Nov 29, 1994
    • Lasko Metal Products, Inc.
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Foot for fans
    • Patent number 5,342,174
    • Issue date Aug 30, 1994
    • Lasko Metal Products, Inc.
    • Charles Litvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    BOX FAN GRILL WITH INTEGRAL MOTOR SUPPORT
    • Publication number 20080089798
    • Publication date Apr 17, 2008
    • Lasko Holdings, Inc.
    • Charles D. Litvin
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Fan grill construction
    • Publication number 20030049132
    • Publication date Mar 13, 2003
    • James B. Perella
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...