Patents by Inventor Leland L. Lang

Leland L. Lang 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).

  • Discrete pore platelet filter manufactured by electropolishing
    Patent number: 5614093
    Abstract: A micropore filter of discrete flow-through pores of highly controlled pore configuration and dimensions is formed by bonding platelets into a laminate, each platelet having been etched, preferably by a combination of electropolishing and photoetching techniques, to form depth-etched passages and through-etched passages, respectively. The filter is housed in a module which contains wiper blades for periodically removing deposited debris from the filter surface.
    Type: Grant
    Filed: August 23, 1995
    Date of Patent: March 25, 1997
    Assignee: Aerojet-General Corporation
    Inventors: H. Harry Mueggenburg, Leland L. Lang, Donald C. Rousar, Marvin F. Young