Patents by Inventor Gregory D. Solie

Gregory D. Solie 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).

  • Spiral wound membrane element
    Patent number: 5538642
    Abstract: Spiral wound membrane elements have permeate flow channels attached to a porous polymeric mandrel in a regular and closely spaced array. The permeate flow channels are attached to the mandrel by means of ultrasonic welding. The attaching means permits the attachment of a high density of permeate flow channels.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: July 23, 1996
    Assignee: The Dow Chemical Company
    Inventor: Gregory D. Solie