Patents by Inventor Delbert C. Reisener

Delbert C. Reisener 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).

  • Rotating union with carbon graphite labyrinthine seal
    Patent number: 4928997
    Abstract: A multiple passage rotating union includes a housing assembly having a housing with an elongated cylindrical sleeve bearing of carbon graphite located in the axial bore of the housing and heat shrunk to the inner surface of the housing bore, the sleeve bearing defining the bearing surface for the rotor assembly of the rotating union and providing sealing between the fluid passageways through the rotating union.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: May 29, 1990
    Assignee: Deublin Company
    Inventors: Delbert C. Reisener, Dennis G. Pearson
  • Rotating union with replaceable sealing assembly
    Patent number: 4817995
    Abstract: A rotating union including a seal assembly having a rotating seal member removably mounted in the rotor, a non-rotating floating seal member mounted in the housing of the union and keyed thereto to prevent rotation within the housing, and a bias assembly maintaining seal surfaces of the two seal members in engagement. In one embodiment, the combination of materials for the seal members provides a silicon carbide to carbon graphite seal.
    Type: Grant
    Filed: February 6, 1987
    Date of Patent: April 4, 1989
    Assignee: Deublin Company
    Inventors: Louis H. Deubler, Delbert C. Reisener, Dennis G. Pearson