Patents by Inventor Bernhard Emile Stover

Bernhard Emile Stover 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).

  • Drilling fluid comprising a high-amylose starch
    Publication number: 20040038830
    Abstract: The invention relates to drilling fluids used in methods for drilling wells into subterranean formations containing oil, gas or other minerals for the purpose of extraction and production of said minerals and the use of starch in such fluids. The invention provides a method for drilling such a well using a drilling fluid comprising a high-amylose starch or starch-blend.
    Type: Application
    Filed: September 11, 2003
    Publication date: February 26, 2004
    Inventor: Bernhard Emile Stover