Patents by Inventor Anthony D Hughes

Anthony D Hughes 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).

  • Frames and hinges
    Patent number: 8820340
    Abstract: A collapsible shelter frame including members articulated by pivot means and having a pair of opposed pivot members, such as plates, joined at a common axle about which a surface of a first pivot member of the pair is slidingly rotatable over a surface of a second pivot member of the pair in parallel opposition thereto.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: September 2, 2014
    Assignee: Hughes Safety Showers Limited
    Inventor: Anthony D. Hughes
  • FRAMES AND HINGES
    Publication number: 20120017961
    Abstract: A collapsible shelter frame (1) including members (2, 5, 7, 8) articulated by pivot means (17, 18, 19) comprising a pair of opposed pivot members, such as plates, joined at a common axle about which a surface of a first pivot member of the pair is slidingly rotatable over a surface of a second pivot member of the pair in parallel opposition thereto.
    Type: Application
    Filed: January 29, 2010
    Publication date: January 26, 2012
    Applicant: HUGHES SAFETY SHOWERS LIMITED
    Inventor: Anthony D. Hughes
  • Dual pump system in which the discharge of a first pump is used to power a second pump
    Patent number: 6168388
    Abstract: A system and method that permits fluids, such as petroleum, to be pumped from two separate zones. A submergible pumping system, including a submergible electric motor driving a submergible pump, is deployed in a wellbore. The submergible pump intake is located in a first zone to intake a fluid. The fluid is discharged through a fluid-powered pump, such as a jet pump. The jet pump is coupled to a fluid intake disposed in a separate zone within the wellbore. The single system can be utilized to pump fluids from two different zones.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: January 2, 2001
    Assignee: Camco International, Inc.
    Inventors: Anthony D Hughes, Graham Anderson, W. Keith Russell, Nathan Thompson