Patents by Inventor David B. Prescott

David B. Prescott 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 aligning installation resistant lubricant seal
    Patent number: 4283063
    Abstract: Annular sealing ridges on a sealing surface of a lubricant seal for sealing between a bore and a shaft are configured and oriented to resist installation by axial movement onto the shaft on which they seal to aid in preventing over-installation of the seal on the shaft and to aid in assuring proper alignment of the seal components and axial sealing of the seal within the bore.
    Type: Grant
    Filed: June 26, 1980
    Date of Patent: August 11, 1981
    Assignee: The Mechanex Corporation
    Inventor: David B. Prescott
  • Lubricant seal
    Patent number: 4037848
    Abstract: A unitized, hand installable lubricant seal for sealing between a bore and a shaft subject to rotation relative to each other, such as a vehicle wheel hub and axle, provides a resilient surface for sealingly engaging the bore, a resilient surface for sealingly engaging the shaft and a resilient seal lip to rigid wear surface running seal between the resilient surfaces. No special tools are required to install or remove the seal.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: July 26, 1977
    Assignee: The Mechanex Corporation
    Inventors: David B. Prescott, Herbert H. Thumm, Raymond L. Horner
  • Lubricant seal
    Patent number: RE30223
    Abstract: A unitized, hand installable lubricant seal for sealing between a bore and a shaft subject to rotation relative to each other, such as a vehicle wheel hub and axle, provides a resilient surface for sealingly engaging the bore, a resilient surface for sealingly engaging the shaft and a resilient seal lip to rigid wear surface running seal between the resilient surfaces. No special tools are required to install or remove the seal.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: March 4, 1980
    Assignee: The Mechanex Corporation
    Inventors: David B. Prescott, Herbert H. Thumm, Raymond L. Horner