Patents by Inventor Alan Lunt

Alan Lunt 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).

  • Telescoping pipe coupling
    Patent number: 9765912
    Abstract: A telescoping pipe coupling comprising a hollow body, a hollow tubular insert slidably disposed within the body, two gasket wells, two end connectors, one end connector coupled to each end of the telescoping pipe coupling, two gripper washer wells, a gasket for sealing the tubular insert with the body, two gaskets for sealing one or more pipe sections to the telescoping pipe coupling, two gasket retaining rings each comprising a shoulder, two gripper washers retained within the two gripper washer wells each comprising an outer periphery, wherein the shoulder of each gasket retaining ring is adjacent to the outer periphery of a gripper washer.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: September 19, 2017
    Assignee: SPEARS MANUFACTURING CO.
    Inventors: Wayne Spears, Robert Wayne Spears, II, Alan Lunt
  • TELESCOPING PIPE COUPLING
    Publication number: 20160131289
    Abstract: A telescoping pipe coupling comprising a hollow body, a hollow tubular insert slidably disposed within the body, two gasket wells, two end connectors, one end connector coupled to each end of the telescoping pipe coupling, two gripper washer wells, a gasket for sealing the tubular insert with the body, two gaskets for sealing one or more pipe sections to the telescoping pipe coupling, two gasket retaining rings each comprising a shoulder, two gripper washers retained within the two gripper washer wells each comprising an outer periphery, wherein the shoulder of each gasket retaining ring is adjacent to the outer periphery of a gripper washer.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 12, 2016
    Applicant: SPEARS MANUFACTURING CO.
    Inventors: Wayne Spears, Robert Wayne Spears, II, Alan Lunt