Patents by Inventor Earl A. Borre

Earl A. Borre 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).

  • Method and apparatus for particle separation
    Patent number: 4741841
    Abstract: Particulates which are less than and greater than a predetermined size and are entrained in a fluid are separated according to their respective sizes by passing the fluid and entrained particulates through a porous, crossflow separator element while continuously vibrating the separator element to prevent buildup of particulates on the upstream side of the separator element.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: May 3, 1988
    Assignee: Industrial Filter & Pump Mfg. Co.
    Inventors: Earl A. Borre, James F. Zievers, Henry Schmidt, Jr.
  • Filter leaf
    Patent number: 4179378
    Abstract: The hubs of adjacent rotary filter leaves are sealed together by means of a unitary, rigid ring which extends across the interface between the leaves and sealably engages annular gaskets mounted in circumferential grooves in the hubs.
    Type: Grant
    Filed: June 7, 1978
    Date of Patent: December 18, 1979
    Assignee: Industrial Filter & Pump Mfg. Co.
    Inventor: Earl A. Borre
  • Safety closure device for a pressure vessel
    Patent number: 4135640
    Abstract: The hold-down bolts on the cover of a pressure vessel cannot be loosened until a pressure relief valve has been opened to relieve the pressure in the vessel and to release a safety member positioned over the bolts.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: January 23, 1979
    Assignee: Industrial Filter & Pump Mfg. Co.
    Inventors: Arthur E. MacQuilkin, Elmer J. Kulousek, Earl A. Borre