Patents by Inventor Robert A. Bluthardt

Robert A. Bluthardt 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).

  • Collapsible shelter
    Patent number: 9163426
    Abstract: A collapsible shelter is disclosed. The collapsible shelter includes a canopy support subassembly, a canopy subassembly and a canopy cover. The canopy subassembly is removably and pivotally connected to the canopy support subassembly. The canopy cover is removably-disposed over the canopy subassembly. A method is also disclosed.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: October 20, 2015
    Assignee: Tilden KKC
    Inventors: Stephen A. Seneker, Robert A. Bluthardt
  • Buckle chute folder with single selector knob for multimode folding operation
    Patent number: 5520603
    Abstract: A buckle chute folding machine is described which has a single selector knob which selects a variety of fold patterns by simultaneous adjustment of the position of a stop blade in a buckle chute and a deflector bar positionable with respect to a nip roller set to either prevent or allow a second fold to be executed. An automatic paper feed system is provided to feed sheets from a holder tray, each sheet advanced incrementally into the machine to preclude double or overlapped feeding of the sheets through the nip roller sets.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: May 28, 1996
    Inventors: Edward A. Bluthardt, Robert A. Bluthardt, Noel L. Noble, Jeffrey L. Goins
  • Collapsible shelter
    Patent number: D732460
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: June 23, 2015
    Assignee: Tilden LLC
    Inventors: Stephen A. Seneker, Robert A. Bluthardt