Patents by Inventor John Dempsey

John Dempsey 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).

  • Tire molding apparatus
    Patent number: 9138950
    Abstract: A tire mold apparatus is provided along with methods of retrofitting a tire mold, such that a tire mold of the type traditionally utilized in a dome type curing press can be modified to have external steam tracings allowing the mold to be utilized in a platen press.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: September 22, 2015
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Bo William Byers, Robert P. Karpinski, Craig Romans, John Dempsey, Edward Steven Seroka, Larry E. Speck, Joseph A. Labbe, Jr., Phillip Coderre
  • Tire Molding Apparatus
    Publication number: 20130049254
    Abstract: A tire mold apparatus is provided along with methods of retrofitting a tire mold, such that a tire mold of the type traditionally utilized in a dome type curing press can be modified to have external steam tracings allowing the mold to be utilized in a platen press.
    Type: Application
    Filed: October 3, 2011
    Publication date: February 28, 2013
    Inventors: Bo William Byers, Robert P. Karpinski, Craig Romans, John Dempsey, Edward Steven Seroka, Larry E. Speck, Joseph A. Labbe, JR., Phillip Coderre
  • Traffic collision cover
    Publication number: 20070046063
    Abstract: A traffic collision cover is disclosed which restricts the view of physical damage to one or more vehicles involved in a traffic accident to passing motorists and pedestrians who may slow down and obstruct traffic while observing an accident scene. This invention allows emergency personnel to quickly cover one or more vehicles or parts of vehicles with fabric to hide the damage done in an accident. As a result, this invention helps prevent traffic congestion and increase traffic flow at accident scenes.
    Type: Application
    Filed: August 26, 2005
    Publication date: March 1, 2007
    Inventor: John Dempsey