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Herman K. Dupre

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  • Champion, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid filter system for snow making apparatus
    • Patent number 6,939,465
    • Issue date Sep 6, 2005
    • Herman K. Dupre
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Method and apparatus for making snow
    • Patent number 6,543,699
    • Issue date Apr 8, 2003
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Apparatus and method for making snow
    • Patent number 6,182,905
    • Issue date Feb 6, 2001
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Lightweight snow making tower
    • Patent number 6,182,906
    • Issue date Feb 6, 2001
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Snow making tower with antifreeze precooling system
    • Patent number 6,168,089
    • Issue date Jan 2, 2001
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Portable snow making system for home use
    • Patent number 6,164,556
    • Issue date Dec 26, 2000
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Snow making tower
    • Patent number 6,152,380
    • Issue date Nov 28, 2000
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Snow making tower and method of manufacture
    • Patent number 6,056,205
    • Issue date May 2, 2000
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Portable snow making system for home use
    • Patent number 6,039,265
    • Issue date Mar 21, 2000
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Apparatus and method for making snow
    • Patent number 6,032,872
    • Issue date Mar 7, 2000
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Snow making tower and method of manufacture
    • Patent number 6,029,898
    • Issue date Feb 29, 2000
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Apparatus and method for treating waste water
    • Patent number 6,019,895
    • Issue date Feb 1, 2000
    • Herman K. Dupre
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Snow making tower
    • Patent number 6,016,970
    • Issue date Jan 25, 2000
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Snow making tower with wind vane positioning
    • Patent number 5,908,156
    • Issue date Jun 1, 1999
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Snow making tower
    • Patent number 5,890,654
    • Issue date Apr 6, 1999
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and apparatus for making snow
    • Patent number 5,823,427
    • Issue date Oct 20, 1998
    • Snow Economics, Inc.
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Control system for snow making devices
    • Patent number 5,749,517
    • Issue date May 12, 1998
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Control system for snow making devices
    • Patent number 5,718,378
    • Issue date Feb 17, 1998
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Portable masonry pier
    • Patent number 5,673,512
    • Issue date Oct 7, 1997
    • Herman K. Dupre
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Ice and snow-free snow making tower structure
    • Patent number 5,667,137
    • Issue date Sep 16, 1997
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Shovel with driven tiltable blade
    • Patent number 5,630,633
    • Issue date May 20, 1997
    • Herman K. Dupre
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Below surface control system for snow making devices
    • Patent number 5,628,456
    • Issue date May 13, 1997
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Adjustable snow making tower
    • Patent number 5,360,163
    • Issue date Nov 1, 1994
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and apparatus for making snow
    • Patent number 5,004,151
    • Issue date Apr 2, 1991
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Portable snow making tower
    • Patent number 4,993,635
    • Issue date Feb 19, 1991
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Solar ice melter for roof eaves
    • Patent number 4,606,402
    • Issue date Aug 19, 1986
    • Herman K. Dupre
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Adjustable snow making tower
    • Patent number 4,199,103
    • Issue date Apr 22, 1980
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Hip mounted tethered ball game
    • Patent number 4,059,271
    • Issue date Nov 22, 1977
    • Herman K. Dupre
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Pole guard
    • Patent number 4,022,452
    • Issue date May 10, 1977
    • Herman K. Dupre
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Manhole aerator
    • Patent number 3,959,142
    • Issue date May 25, 1976
    • Herman K. Dupre
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Snow making tower and method of making snow
    • Publication number 20130056546
    • Publication date Mar 7, 2013
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Portable snow making tower
    • Publication number 20130056548
    • Publication date Mar 7, 2013
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Apparatus for making snow
    • Publication number 20060065756
    • Publication date Mar 30, 2006
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Snow making apparatus
    • Publication number 20040046041
    • Publication date Mar 11, 2004
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Fluid filter system for snow making apparatus
    • Publication number 20040031747
    • Publication date Feb 19, 2004
    • Herman K. Dupre
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Hydrant station for snow making apparatus
    • Publication number 20030141377
    • Publication date Jul 31, 2003
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    METHOD AND APPARATUS FOR MAKING SNOW
    • Publication number 20030071135
    • Publication date Apr 17, 2003
    • Herman K. Dupre
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...