Patents by Inventor Fredrick Doran

Fredrick Doran 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).

  • Phase-separation member
    Patent number: 6648147
    Abstract: A phase-separation member comprises a porous substrate (11) containing void spaces, a microporous polymer material (14) which at least partially impregnates the porous substrate by entering into the void spaces, and a layer of a fluoropolymer applied to the outer face of the coagulated polymer material so that the layer (16) of fluoropolymer material remains predominantly at the surface.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: November 18, 2003
    Assignee: Madison Filter 981 Limited
    Inventors: Richard Patrick Lydon, Fredrick Doran