Patents by Inventor Richard D. Medford

Richard D. Medford 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).

  • Patent number: 4462649
    Abstract: A hose construction and method of making same are provided wherein such hose construction comprises a flexible corrugated hose made of polymeric material, a pair of hose connectors fixed to opposite ends of the hose, and a sleeve disposed around the hose and having opposite end portions wherein the sleeve is fastened to the hose only at its opposite end portions and the sleeve serves to improve the fluid pressure resistance and external wear resistance of the hose while keeping its flexibility substantially intact.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: July 31, 1984
    Assignee: Dayco Corporation
    Inventors: Richard D. Medford, Jerry W. Cooper
  • Patent number: 4415389
    Abstract: A hose construction and method of making same are provided wherein such hose construction comprises a flexible corrugated hose made of polymeric material, a pair of hose connectors fixed to opposite ends of the hose, and a sleeve disposed around the hose and having opposite end portions wherein the sleeve is fastened to the hose only at its opposite end portions and the sleeve serves to improve the fluid pressure resistance and external wear resistance of the hose while keeping its flexibility substantially intact.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: November 15, 1983
    Assignee: Dayco Corporation
    Inventors: Richard D. Medford, Jerry W. Cooper
  • Patent number: 4390214
    Abstract: A track structure for a crawler track of a crawler vehicle, a crawler track employing such a track structure, and method of making the track structure are provided wherein the track structure comprises an ultra high molecular weight polymeric material having a molecular weight of at least two million. The track structure may also be defined as a laminated construction having at least a portion thereof utilizing ultra high molecular weight polymeric material and the track structure may also have friction elements embedded in the polymeric material.
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: June 28, 1983
    Assignee: Dayco Corporation
    Inventors: Jonas L. Gunter, Doyle V. Haren, Anatoli Hofle, Richard D. Medford
  • Patent number: 4347685
    Abstract: A cover for protecting a plant against weather damage and method of making same are provided wherein such cover comprises a plurality of spaced arch-like supports and a flexible polymeric material fastened to and carried by the supports, and the supports and polymeric material cooperate to define the cover having an inverted roughly U-shaped outline.
    Type: Grant
    Filed: December 16, 1980
    Date of Patent: September 7, 1982
    Assignee: Dayco Corporation
    Inventors: Richard D. Medford, Pearison W. Henry, Jerry W. Cooper
  • Patent number: 4238039
    Abstract: A wear member is provided for use between a pair of relatively movable components of a railway vehicle. The wear member is mounted on a support having a continuous supporting surface, with polymeric material having an antifriction wear surface to support the same against the continuous supporting surface while providing integral reinforcement for the polymeric material.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: December 9, 1980
    Assignee: Dayco Corporation
    Inventors: Jerry W. Cooper, Homer N. Holden, Richard D. Medford, John S. Haley
  • Patent number: 4194081
    Abstract: A vacuum cleaner hose construction having integral electrical conductors and method of making same are provided wherein such hose construction is comprised of a convoluted tube having alternating outwardly convex crests and outwardly concave troughs with a plurality of cutouts being provided in the crests extending completely through the wall thickness thereof and aligned along the length of the tube to define at least one slot construction for receiving the electrical conductors therewithin and a sleeve is disposed around the tube and electrical conductors with the sleeve holding the electrical conductors in position while defining a fluid-tight outer layer for the hose construction.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: March 18, 1980
    Assignee: Dayco Corporation
    Inventors: Richard D. Medford, Jerry W. Cooper