Patents by Inventor James Pieper

James Pieper 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).

  • Publication number: 20090282706
    Abstract: A snow plow assembly comprises an A-frame assembly, a V-blade assembly pivoted to one end of the A-frame assembly, and a lift frame assembly pivoted to the other end of the A-frame assembly, the lift frame assembly adapted to be removably attached to a vehicle. The V-blade assembly comprises a pair of blades hinged together along inboard ends thereof, each blade of the pair of blades including first and second cutting edge plates removably secured to the blade, the first cutting edge plate fabricated of a first material, the second cutting edge plate fabricated of a second material, the first material having a greater resistance to abrasion wear than the second material.
    Type: Application
    Filed: May 15, 2008
    Publication date: November 19, 2009
    Applicant: Douglas Dynamics, L.L.C.
    Inventors: Chad Barker, James Pieper, Mark Stultz
  • Publication number: 20060010722
    Abstract: A snowplow and mount assembly comprising a mount frame adapted to be secured to a vehicle, and a snowplow frame. One of the mount frame and the snowplow frame has first and second arms and the other of the mount frame and snowplow frame has first and second receivers, the first and second receivers receiving the first and second arms, respectively. Respective ones of first and second latch pins removably secure the first and second arms in the first and second receivers. A latch lever is operably associated with the first and second latch pins and simultaneously actuates the latch pins to latched and unlatched positions. The snowplow frame includes a jack stand movable to and between an extended ground contacting and snowplow frame supporting position and a retracted ground noncontacting and snowplow frame nonsupporting position.
    Type: Application
    Filed: September 20, 2005
    Publication date: January 19, 2006
    Applicant: Douglas Dynamics, L.L.C.
    Inventors: Andre LeBlond, James Pieper, Mark Stultz, Steven Klug, John Field, David Bloxdorf