Patents by Inventor Jim D. Berentsen

Jim D. Berentsen 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: 7473068
    Abstract: A hopper includes a tray having a floor, first and second lateral walls, and a rear wall. A lift handle pivotally secures to the lateral walls. A dump handle secures to the rear wall. The lift handle includes a cross bar extending transversely across the tray for gripping by the shovel and thumb of a track hoe. Stops engage the lift handle and the tray to maintain the cross bar a minimum distance above the tray to facilitate gripping by the track hoe.
    Type: Grant
    Filed: April 17, 2006
    Date of Patent: January 6, 2009
    Inventor: Jim D. Berentsen