Patents by Inventor William L. Mead

William L. Mead 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: 5497942
    Abstract: An improved apparatus and method for the delivery of various dispersants to a surrounding environment is disclosed. The apparatus comprises a composite membrane which is resistant to wetting by low surface tension dispersant emitting substances and provides an essentially uniform rate of release of dispersant into the environment. Previous problems of inconsistent dispersant release and apparatus leakage are avoided and a more durable, compact, and reliable dispersant delivery system is provided.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: March 12, 1996
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Ralph D. Zingle, Mary W. Tilley, William L. Mead