Patents by Inventor Murray Bredin

Murray Bredin 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).

  • Publication number: 20160047369
    Abstract: A pump unit which includes a pipe, a flexible bladder inside the pipe, an operating volume between an outer surface of the bladder and an opposing inner surface of the pipe, a valve arrangement to introduce pressurised water into the operating volume and to allow pressurised water to flow from the operating volume and another valve arrangement to allow slurry to flow into the interior of the bladder as water is expelled from the operating volume and to—allow slurry to flow from the bladder when water is introduced into the operating volume.
    Type: Application
    Filed: April 4, 2014
    Publication date: February 18, 2016
    Inventors: Richard Roy WOOD, Murray BREDIN
  • Publication number: 20140326914
    Abstract: A valve with a housing (12) in which is formed a chamber (14), an inlet (16) to the chamber, an outlet (18) from the chamber which is at a right angle relative to the inlet, a metallic valve seat (90) at the inlet, a resilient valve seal (100) mounted to the valve seat at the inlet and a spherical valve member (40) inside the chamber.
    Type: Application
    Filed: January 31, 2012
    Publication date: November 6, 2014
    Applicant: ERLS MINING (PTY) LTD
    Inventors: Richard Roy Wood, Murray Bredin