TREA

Raymond P. Denkewicz Jr.

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  • Warwick, RI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid flow diverters and diversion methods and water purification e...
    • Patent number 6,680,026
    • Issue date Jan 20, 2004
    • Zodiac Pool Care, Inc.
    • Raymond P. Denkewicz
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Lanthanide halide water treatment compositions and methods
    • Patent number 6,312,604
    • Issue date Nov 6, 2001
    • Zodiac Pool Care, Inc.
    • Raymond P. Denkewicz
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Silver self-regulating water purification compositions and methods
    • Patent number 6,254,894
    • Issue date Jul 3, 2001
    • Zodiac Pool Care, Inc.
    • Raymond P. Denkewicz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Biocidal compositions for treating water
    • Patent number 6,217,780
    • Issue date Apr 17, 2001
    • Zodiac Pool Care, Inc.
    • Raymond P. Denkewicz
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    In-line, in-pool water purification system
    • Patent number 6,200,487
    • Issue date Mar 13, 2001
    • Zodiac Pool Care, Inc.
    • Raymond P. Denkewicz
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water purifier for a spa
    • Patent number 6,165,358
    • Issue date Dec 26, 2000
    • Zodiac Pool Care, Inc.
    • Raymond P. Denkewicz
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Biocidal compositions for treating water
    • Patent number 6,093,422
    • Issue date Jul 25, 2000
    • Zodiac Pool Care, Inc.
    • Raymond P. Denkewicz
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water purifier for a spa
    • Patent number 6,019,893
    • Issue date Feb 1, 2000
    • Fountainhead Technologies, Inc.
    • Raymond P. Denkewicz
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water purifier
    • Patent number D412963
    • Issue date Aug 17, 1999
    • Fountainhead Technologies, Inc.
    • Daniel J. Nelsen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Self-regulating water purification composition
    • Patent number 5,935,609
    • Issue date Aug 10, 1999
    • Fountainhead Technologies
    • Raymond P. Denkewicz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Automatic swimming pool cleaners and associated components and systems
    • Patent number 5,882,512
    • Issue date Mar 16, 1999
    • Baracuda International Corporation
    • Raymond P. Denkewicz
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water purifier
    • Patent number D406314
    • Issue date Mar 2, 1999
    • Fountainhead Technologies, Inc.
    • Raymond P. Denkewicz
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water purifier
    • Patent number D405868
    • Issue date Feb 16, 1999
    • Fountainhead Technologies, Inc.
    • Raymond P. Denkewicz
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water purifier
    • Patent number D405867
    • Issue date Feb 16, 1999
    • Fountainhead Technologies, Inc.
    • Raymond P. Denkewicz
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Method of water purification with oxides of chlorine
    • Patent number 5,858,246
    • Issue date Jan 12, 1999
    • Fountainhead Technologies, Inc.
    • John D. Rafter
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Element of a water purifier
    • Patent number D404114
    • Issue date Jan 12, 1999
    • Fountainhead Technologies, Inc.
    • Raymond P. Denkewicz
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Element of a water purifier
    • Patent number D404113
    • Issue date Jan 12, 1999
    • Fountainhead Technologies, Inc.
    • Raymond P. Denkewicz
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Multi-chamber water purification device and method of using the same
    • Patent number 5,855,777
    • Issue date Jan 5, 1999
    • Fountainhead Technologies, Inc.
    • Steven P. Bachand
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water strainer/purifier and method of using same
    • Patent number 5,810,999
    • Issue date Sep 22, 1998
    • Fountainhead Technologies, Inc.
    • Steven P. Bachand
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water purifier for a spa
    • Patent number 5,779,913
    • Issue date Jul 14, 1998
    • Fountainhead Technologies, Inc.
    • Raymond P. Denkewicz
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Self-regulating water purification composition
    • Patent number 5,772,896
    • Issue date Jun 30, 1998
    • Fountainhead Technologies
    • Raymond P. Denkewicz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Water purifer for a pool
    • Patent number 5,766,456
    • Issue date Jun 16, 1998
    • Fountainhead Technologies, Inc.
    • Raymond P. Denkewicz
    • E04 - BUILDING
  • Information Patent Grant

    Water purifier
    • Patent number D385946
    • Issue date Nov 4, 1997
    • Fountainhead Technologies, Inc.
    • Marc S. Harrison
    • D23 - Environmental heating and cooling