Patents by Inventor Douglas W. Weeks

Douglas W. Weeks 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).

  • Drainage or Filter Layer for Well Screen Assembly with Integrated Stand-off Structure
    Publication number: 20100163481
    Abstract: An integral structure including woven wire cloth or non-woven metal filter medium for use as a drainage layer or filter layer in a well screen assembly is provided. A plurality of elongated members are welded on the woven metal cloth or non-woven metal filter medium to provide reduced resistance to flow parallel to a layer of the woven cloth. Segments of the woven or non-woven metal materials having elongated members joined thereto may be rolled into a cylinder to form a part of a well screen assembly.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Applicant: Dorstener Wire Tech
    Inventors: Patrick W. McGrenera, Douglas W. Weeks, Ruediger Tueshaus