Patents by Inventor Lou Lockhart

Lou Lockhart 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).

  • Universal semitrailer fifth wheel and sliding tandem pin puller
    Publication number: 20030201651
    Abstract: The fifth wheel assembly by which a semitrailer (trailer) is demountably coupled to the tractor of a tractor-trailer vehicle is releasably operated by a special decoupling tool which includes a lever bar or tube having a handle end opposite to a fulcrum end with an elongated hook member pivotally mounted therebetween and an extendable elongated hook member slidably attached to the elongated hook member.
    Type: Application
    Filed: April 30, 2002
    Publication date: October 30, 2003
    Inventor: Lou Lockhart