Patents by Inventor Chester Donald Fisher

Chester Donald Fisher 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).

  • Elevator belt splice
    Patent number: 4056867
    Abstract: A splicer element for a belt includes juxtaposed splice or clamp elements with a spacer element disposed between the clamp elements. The ends of the belt are disposed between the clamp elements and the spacer element. The surfaces of the clamp elements and the spacer element that contact the belt surfaces are rough, whereby the frictional holding properties of the belt splicer element are greatly increased. One form of surface roughness is a plurality of projections that dig into and may pierce the belt material.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: November 8, 1977
    Assignee: Koppers Company, Inc.
    Inventors: Edward Wert, Chester Donald Fisher
  • Main shaft support for pellet mills
    Patent number: 3981664
    Abstract: An improvement for pellet mills for resolving the radial forces which develop between the die and the rollers. An extension is provided on the main shaft extending beyond the roller support frame arms, and a bearing assembly is mounted on the extension for supporting a spider connected to the die cover.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: September 21, 1976
    Assignee: Sprout, Waldron & Company, Inc.
    Inventors: Oszkar Bittner, Chester Donald Fisher