Patents by Inventor Robert J. Siebelink

Robert J. Siebelink 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: 8678351
    Abstract: A lift assist device for assisting a user in lifting an item includes a base having a center portion and a side portion that is angled relative to said center portion, a support shaft extending upward from the center portion of the base, and a support platform rotatably attached at an upper end of the support shaft and rotatable about an axis that is generally parallel to a longitudinal axis of the support shaft. The lift assist device is tiltable between a loading position, where the side portion of the base rests on a floor or support surface and the support shaft is in a tilted orientation, and a lifting position, where the center portion of the base rests on the floor or support surface and the support shaft is in a generally vertical orientation.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: March 25, 2014
    Inventor: Robert J. Siebelink
  • Publication number: 20120280191
    Abstract: A lift assist device for assisting a user in lifting an item includes a base having a center portion and a side portion that is angled relative to said center portion, a support shaft extending upward from the center portion of the base, and a support platform rotatably attached at an upper end of the support shaft and rotatable about an axis that is generally parallel to a longitudinal axis of the support shaft. The lift assist device is tiltable between a loading position, where the side portion of the base rests on a floor or support surface and the support shaft is in a tilted orientation, and a lifting position, where the center portion of the base rests on the floor or support surface and the support shaft is in a generally vertical orientation.
    Type: Application
    Filed: May 3, 2012
    Publication date: November 8, 2012
    Inventor: Robert J. Siebelink
  • Patent number: D364232
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: November 14, 1995
    Inventor: Robert J. Siebelink