Patents by Inventor John Ackerman, legal representative

John Ackerman, legal representative 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).

  • Membrane for hydrogen recovery from streams containing hydrogen sulfide
    Patent number: 7163670
    Abstract: A membrane for hydrogen recovery from streams containing hydrogen sulfide is provided. The membrane comprises a substrate, a hydrogen permeable first membrane layer deposited on the substrate, and a second membrane layer deposited on the first layer. The second layer contains sulfides of transition metals and positioned on the on a feed side of the hydrogen sulfide stream. The present invention also includes a method for the direct decomposition of hydrogen sulfide to hydrogen and sulfur.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: January 16, 2007
    Inventors: John Ackerman, legal representative, Pradeep K. Agarwal, deceased