Patents by Inventor Mark L. Marienfeld

Mark L. Marienfeld 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).

  • Soil stabilization system
    Patent number: 5364206
    Abstract: A geotechnical mat for stabilizing soil and controlling erosion comprising a plurality of flat strips of tire tread oriented in a planar array, and means for connecting said strips to one another in said planar array.
    Type: Grant
    Filed: September 29, 1993
    Date of Patent: November 15, 1994
    Inventor: Mark L. Marienfeld
  • Layered geosystem and method
    Patent number: 5056960
    Abstract: A layered geosystem and method employ at least one layer of geotextile which has at least one surface friction-treated with a treatment material in a manner described herein. Contact of the friction-treated surface with an adjacent layer of, for example, geonet or geomembrane assists in preventing movement of such a layer which can occur on sloped terrain.
    Type: Grant
    Filed: December 28, 1989
    Date of Patent: October 15, 1991
    Assignee: Phillips Petroleum Company
    Inventor: Mark L. Marienfeld