Patents by Inventor Patrick C. Dubbert

Patrick C. Dubbert 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: 8109363
    Abstract: The present disclosure provides a retaining wall fall protection system having a plurality of base plates. It further includes a plurality of uprights pivotally attached to the base plates and a cross-brace attached to adjacent uprights at opposite ends of the cross-brace. A plurality of guardrails are provided and attached to guardrail adjustment brackets. The guardrail brackets are removably attachable to the uprights at various positions along the length of the uprights. Finally, there is provided an attachment assembly which secures the uprights in position adjacent the retaining wall. The attachment assembly comprises an attachment strap which is mounted to the upright and sized to extend through the retaining wall. A retainer on the opposite side of the wall engages a distal end of the attachment strap to secure the scaffolding to the retaining wall under construction.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: February 7, 2012
    Inventors: Patrick C. Dubbert, Michael Best, Wade Schmidt, Scott Rozier
  • Publication number: 20040211153
    Abstract: The present disclosure provides a retaining wall fall protection system having a plurality of base plates. It further includes a plurality of uprights pivotally attached to the base plates and a cross-brace attached to adjacent uprights at opposite ends of the cross-brace. A plurality of guardrails are provided and attached to guardrail adjustment brackets. The guardrail brackets are removably attachable to the uprights at various positions along the length of the uprights. Finally, there is provided an attachment assembly which secures the uprights in position adjacent the retaining wall. The attachment assembly comprises an attachment strap which is mounted to the upright and sized to extend through the retaining wall. A retainer on the opposite side of the wall engages a distal end of the attachment strap to secure the scaffolding to the retaining wall under construction.
    Type: Application
    Filed: April 16, 2004
    Publication date: October 28, 2004
    Inventors: Patrick C. Dubbert, Michael Best, Wade Schmidt, Scott Rozier
  • Patent number: 5339996
    Abstract: A portable mini silo system for delivering dry mortar blends to batch mixers is disclosed. Such system includes a silo that is constructed for portable transport to a construction site, while providing support for the silo at the construction site, through the use of telescopic leg elements. The telescopic leg elements are suitably reinforced and mounted to the silo to provide both lateral offset and reinforcement. A collapsible ladder is attached to one of the telescopic leg elements for collapse and extension as one of the leg elements is collapsed and extended. The collapsible ladder, when extended at a construction site, enables a user to load dry mortar blends into the silo. A platform is also attached to the silo side wall and cooperates with the collapsible ladder to enable a user to climb the ladder and stand on the platform, thus facilitate loading and checking the contents of the silo.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: August 23, 1994
    Assignee: Midwest Pre-Mix, Inc.
    Inventors: Patrick C. Dubbert, Nathan R. Neely, Daniel L. Albertson, Norbert A. Luebbert