Patents by Inventor Bernd Erdtmann

Bernd Erdtmann 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).

  • Low-Toxicity, Low-Flammability, Environmentally-Safe, Friction Reducer Fluid For Hydraulic Fracturing
    Publication number: 20130252858
    Abstract: Improved hydraulic fracturing compositions are disclosed which help reduce potential negative environmental impact by hydraulic fracturing. The disclosed compositions have flammability and toxicity and are relatively safe for the environment. The compositions may also contain biodegradable components.
    Type: Application
    Filed: January 14, 2013
    Publication date: September 26, 2013
    Inventors: Martin J. Plishka, Dennis Weinhold, Jerome H. Ludwig, Bernd Erdtmann, Kenneth A. Belmore