Patents Assigned to Plitek, LLC
  • Oil-Less and Wetted Pressure Relief Valves Having an Integrated Filter
    Publication number: 20130048125
    Abstract: A one-way pressure relief valve having an integrated filter. One-way pressure relief valves may be applied to a product package to evacuate gas from the package. The integrated filter prevents materials within the package from interfering with closure or operation of the pressure relief valve. Certain pressure relief valve embodiments can be configured for optimal valve operation without need for a wetting agent while other pressure relief valve embodiments operate optimally with a wetting agent.
    Type: Application
    Filed: October 9, 2012
    Publication date: February 28, 2013
    Applicant: PLITEK, LLC
    Inventor: Pitek, LLC
  • Reversed pressure relief valve
    Patent number: 7611557
    Abstract: A reversed pressure relief valve that is used in connection with a computer hard disk drive so as to vent pressurized gases contained within the disk drive while not permitting debris to enter the drive mechanism or the valve. More specifically, the present invention is a reversed direction valve which includes at least one passageway defined by at least a lifter ring, a dry strap, a pressure sensitive adhesive (“PSA”)/body film and a filter media.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: November 3, 2009
    Assignee: Plitek, LLC
    Inventor: Karl K. Hoffman
  • Pressure relief valve
    Patent number: 7178555
    Abstract: A pressure relief valve that is mountable to protect packaging so as to vent pressurized gases contained within the packaging. The present invention also pertains to a pressure relief valve which includes at least one passageway defined by at least one inner rail and which is in communication with an aperture.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: February 20, 2007
    Assignee: Plitek, LLC
    Inventors: Roger K. Engel, Dave Carroll