Patents Examined by Theodore McEwan Green
  • Water purifier for a spa
    Patent number: 5779913
    Abstract: A water purifier includes a housing that contains a purification material for purifying the water. The water purifier is placed a flow of circulating water in the spa. The purification material preferably can be a silver-containing material.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: July 14, 1998
    Assignee: Fountainhead Technologies, Inc.
    Inventors: Raymond P. Denkewicz, Jr., John D. Rafter, Mark A. Bollinger
  • Water purifer for a pool
    Patent number: 5766456
    Abstract: The invention features a water purifier for purifying water in a pool having a volume less than about 13,500 gallons. In general, the water purifier has a threaded fitting that allows it to be removably-attached to a water-exchange fitting, preferably on the side of the pool. The water purifier contains a purification material for purifying the water. The purification material preferably can be a silver-containing material.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: June 16, 1998
    Assignee: Fountainhead Technologies, Inc.
    Inventors: Raymond P. Denkewicz, Jr., Peter P. Yurchision
  • Process for the decontamination of soils contaminated by petroleum products
    Patent number: 5415777
    Abstract: A method of decontaminating soil contaminated by petroleum products on the site of the contamination. Such decontamination is accomplished by chemical breakdown, enzymatic action and biological microbial degradation. Significant byproducts of this degradation of the hydrocarbon material are: water, sodium salts, ammonium salts, carbon dioxide, free amino acids and heat.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: May 16, 1995
    Assignee: Sunbelt Ventures, Inc.
    Inventors: James P. Krempen, Charles S. Medbury, III