Patents by Inventor Francis Elvins

Francis Elvins 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).

  • Tandem axle system
    Publication number: 20070117672
    Abstract: A tandem axle system having a forward drive axle system connected to a rear drive axle system via a drive shaft. The forward drive axle system uses a hypoid bevel pinion to drive forward half shafts via a forward ring gear. The rear drive axle system uses a spiral bevel pinion to drive rear half shafts via a rear ring gear. A hub reduction system is located at the outboard ends of each half shaft.
    Type: Application
    Filed: November 18, 2005
    Publication date: May 24, 2007
    Inventor: Francis Elvins