Patents by Inventor Harley LeMaster

Harley LeMaster 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).

  • Self pleating filter media
    Publication number: 20030056479
    Abstract: A self-supporting filter media, comprising a batt made of thermoplastic fibers, and heat induced scores provided at predetermined intervals along a length of the batt. The batt has a shape memory induced by the scoring whereby the batt will self pleat when heated.
    Type: Application
    Filed: September 25, 2001
    Publication date: March 27, 2003
    Inventor: Harley LeMaster
  • Method of fabricating a self pleating filter media
    Patent number: 6120633
    Abstract: A self-supporting filter media, comprising a batt made of thermoplastic fibers, and heat induced scores provided at predetermined intervals along a length of the batt. And, a method of fabricating a self-supporting filter media, the method comprising the steps of: providing a thermoplastic batt of fibers; adding an adhesive to the batt; heating the batt and the adhesive to bind the fibers with the adhesive; heat scoring the batt at periodic intervals for producing a scored batt of fibers; and rolling the scored batt of fibers for storage or shipment.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: September 19, 2000
    Assignee: HRS Textiles, Inc.
    Inventor: Harley LeMaster