Patents by Inventor Richard Middaugh

Richard Middaugh 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).

  • Coarse-foamed fracturing fluids and associated methods
    Publication number: 20070044965
    Abstract: A method of fracturing a subterranean formation comprising the steps of: providing a coarse-foamed fracturing fluid comprising a liquid fracturing fluid component, a gas, proppant particulates, and a foaming agent; and placing the coarse-foamed fracturing fluid into a portion of a subterranean formation at a pressure sufficient to create or extend at least one fracture therein.
    Type: Application
    Filed: August 18, 2006
    Publication date: March 1, 2007
    Inventors: Richard Middaugh, Phillip Harris, Stanley Heath, Robert Taylor, Ottmar Hoch, Max Phillippi, Billy Slabaugh, John Terracina
  • Air cell with improved leakage resistance
    Publication number: 20050112458
    Abstract: An electrochemical battery cell with an oxygen reduction electrode and having improved electrolyte leakage resistance. The cell includes a component, disposed between the oxygen reduction electrode and an air inlet in the cell housing, through or around which air can pass. Upon contact with electrolyte, the component is transformed to form an electrolyte seal.
    Type: Application
    Filed: April 2, 2004
    Publication date: May 26, 2005
    Inventors: Robert Dopp, John Bailey, Richard Middaugh