Patents by Inventor Fredrick L. Loeffler

Fredrick L. 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
  • Ball joint assembly
    Patent number: 5799968
    Abstract: A ball joint assembly for connecting a tie rod to a rack and pinion steering assembly includes first and second housing members selectively mated to define a cavity that receives the ball of the tie rod and a bearing. The first housing member includes a threaded portion matingly engaging a threaded portion disposed on the second housing member.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: September 1, 1998
    Inventor: Fredrick L. Loeffler