Patents by Inventor Ron Pelfrey

Ron Pelfrey 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).

  • Mechanically-retained sealing disks for use with fluid regulators
    Patent number: 9915389
    Abstract: Mechanically-retained sealing disks for use with fluid regulators are disclosed. In some examples, an apparatus includes a disk holder having an inner surface. In some examples, the apparatus includes a disk gasket coupled to the inner surface of the disk holder. In some examples, the apparatus includes a sealing disk positioned in the disk holder. In some examples, the sealing disk has a front side including a sealing surface, and a back side located opposite the front side. In some examples, the back side of the sealing disk in positioned adjacent the disk gasket. In some examples, the apparatus includes a disk retainer coupled to the disk holder. In some examples, the disk retainer is to retain the sealing disk in the disk holder.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: March 13, 2018
    Assignee: EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES, INC.
    Inventors: Chun Lin, Ron Pelfrey