Patents by Inventor Jack T. Nielsen

Jack T. Nielsen 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: 5814273
    Abstract: A trunnion liner apparatus includes a main body portion in the form of a rubber boot which forms a main pocket and a pair of cavities. A magnetic block is held within the main pocket for attaching the trunnion liner directly to an inside surface of a trunnion. The pair of upper cavities are sized to hold a layer of material to prevent wear on an inside surface of a trunnion. In one embodiment, the layer of material comprises a plurality of steel balls and processed material interdispersed between the steel balls.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: September 29, 1998
    Inventor: Jack T. Nielsen
  • Patent number: 5803531
    Abstract: A liner system for a hauling compartment includes a containment structure defining a plurality of holding areas. A buffer material is introduced into the holding areas to act as an impact wear surface to prevent haul material from directly contacting the surface of the hauling compartment. Upon articulation of the hauling compartment to empty haul material from the compartment, the buffer material is held within the holding areas by means of the containment structure.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: September 8, 1998
    Inventor: Jack T. Nielsen