Patents Assigned to Associated Research Developments Ltd.
  • Packer cup
    Patent number: 7959155
    Abstract: A packer cup for sealing the interior of a pipe under pressure includes a first region of relatively soft material and a second region of relatively hard material. The region of the relatively softer material would begin at the lip of the cup and extend for at least one third the length of the cup up to the entire length of the cup.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: June 14, 2011
    Assignee: Associated Research Developments Ltd.
    Inventors: Matthew Templeton, Brian Templeton