Patents by Inventor Michael D. Freeman

Michael D. Freeman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5093087
    Abstract: An apparatus for production of quantities of ozone utilizes a flow of air through an ozone chamber, wherein the ozone chamber is defined between a conductive rod and an externally positioned metallic housing. The metallic housing includes a polymeric cylindrical housing contiguous therewith and extending upwardly beyond the metallic housing. The central conductive rod includes a polymeric sheath thereabout, with a cap overlying the polymeric cylindrical housing defining the ozone chamber, with the rod in electrical communication with an outlet socket of a twelve-volt coil. The twelve-volt coil includes a positive and negative terminal, with the positive terminal including a positive twelve-volt charge directed thereto, as well as a switch positive 110 volt alternating current charge directed thereto.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: March 3, 1992
    Inventor: Michael D. Freeman