Patents by Inventor Mahmoud M Abd Elhamid

Mahmoud M Abd Elhamid 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).

  • PEM fuel cell separator plate
    Patent number: 7285353
    Abstract: A composite separator plate for use in a fuel cell stack and method of manufacture is provided. The composite separator plate includes a plurality of elongated support members oriented generally parallel to each other and a polymeric body portion formed around the support members. The body portion includes a first surface with a plurality of flow channels and a second surface opposite the first surface. A plurality of electrically conductive fibers are disposed within the polymeric body portion, each fiber extending continuously from the first surface of the polymeric body portion to the second surface of the polymeric body portion in a through plane configuration.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: October 23, 2007
    Assignee: General Motors Corporation
    Inventors: Daniel J Lisi, Richard H Blunk, Mahmoud M Abd Elhamid, Youssef M Mikhail