Patents by Inventor Jeffrey F. Loeffler

Jeffrey F. Loeffler 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).

  • Part positioner and holder for lathes
    Patent number: 6134998
    Abstract: An electromagnetic workpiece positioning and holding device is mountable on a metal working lathe for pulling bar stock to a working position relative to metal working tools and/or for holding and stabilizing an outermost end portion of a workpiece during a cut-off operation. The coil of the electromagnet is in an electrical circuit with a 24 volt power supply and a control switch by which the coil is connected to and disconnected from the power supply.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: October 24, 2000
    Inventors: Fredrick L. Loeffler, Jeffrey F. Loeffler