Patents by Inventor Larry Liao

Larry Liao 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).

  • Pipe coupling and method of forming the same
    Patent number: 9038258
    Abstract: A sealing and restraint mechanism operable to couple pipes having a restraint mechanism with a cavity formed in an interior region, and a gripping insert operable to be received within the cavity. The cavity of the restraint mechanism is at least partially defined by a stop and a shoulder. The gripping insert is operable to slide along the cavity and between the stop and the shoulder of the restraint mechanism such that, when the gripping insert slides toward the stop, the gripping insert is biased toward one of the pipes by the restraint mechanism.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: May 26, 2015
    Assignee: J-M MANUFACTURING COMPANY, INC.
    Inventors: Larry Liao, Chuck Clark
  • PIPE COUPLING AND METHOD OF FORMING THE SAME
    Publication number: 20130113208
    Abstract: A sealing and restraint mechanism operable to couple pipes having a restraint mechanism with a cavity formed in an interior region, and a gripping insert operable to be received within the cavity. The cavity of the restraint mechanism is at least partially defined by a stop and a shoulder. The gripping insert is operable to slide along the cavity and between the stop and the shoulder of the restraint mechanism such that, when the gripping insert slides toward the stop, the gripping insert is biased toward one of the pipes by the restraint mechanism.
    Type: Application
    Filed: November 8, 2012
    Publication date: May 9, 2013
    Inventors: Larry Liao, Chuck Clark