Patents by Inventor Stephen D. Marshall

Stephen D. Marshall 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).

  • APPARATUS AND SYSTEM FOR SWING ADSORPTION PROCESSES
    Publication number: 20240123395
    Abstract: Provided are apparatus and systems for performing a swing adsorption process. This swing adsorption process may involve performing dampening for fluctuations in the streams conducted away from the adsorbent bed unit. The process may be utilized for swing adsorption processes, such as rapid cycle TSA and/or rapid cycle PSA, which are utilized to remove one or more contaminants from a gaseous feed stream.
    Type: Application
    Filed: November 29, 2023
    Publication date: April 18, 2024
    Inventors: Ananda Krishna NAGAVARAPU, Stephen WRIGHT, Bennett D. MARSHALL, Brett L. RYBERG
  • High-security identification card obtained by thermal dye transfer
    Patent number: 4738949
    Abstract: A dye-receiving element and process for producing a high-security, monolithic identification card, the element comprising a support having thereon a dye image-receiving layer adapted to receive a thermally-transferred dye image, the dye image-receiving layer containing indicia printed thereon approximately 40-120 .mu.m in width.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: April 19, 1988
    Assignee: Eastman Kodak Company
    Inventors: Gurdip S. Sethi, Stephen D. Marshall, David E. Wenschhof