Patents by Inventor Robert Kerley

Robert Kerley 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).

  • Wheeled Crutch
    Publication number: 20110291374
    Abstract: The present invention is directed towards a wheeled crutch that supports an injured human lower limb with the injured limb extended towards the front of the user. The wheeled crutch comprises a seat attached to a seat support, and a wheeled base with at least three legs. A lower limb support and foot rest allow the user to rehabilitate the injured lower limb while remaining ambulatory.
    Type: Application
    Filed: June 1, 2010
    Publication date: December 1, 2011
    Inventor: Robert Kerley
  • Separation of ammonia from sulfur compounds
    Publication number: 20070183953
    Abstract: A method for separating ammonia and sulfides from a sour water stream is disclosed. The stripping of a sour water stream where it is stripped to create a sour water stripper overhead gas and then contacted with an alkali hydroxide in order to separate ammonia and make an alkali sulfide.
    Type: Application
    Filed: February 8, 2006
    Publication date: August 9, 2007
    Inventor: Robert Kerley