Patents by Inventor Donald Maul

Donald Maul 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).

  • Patent number: 5158321
    Abstract: A torsional suspension unit is provided which includes at least one, and preferably a plurality of, torsion rod(s) for absorbing and distributing forces and a bearing block associated with said torsion rod(s) for maintaining one end of said torsion rod(s) in a substantially fixed position. The torsional suspension unit of the present invention also includes a rotatable torque hub member for maintaining a second end of said torsion rod(s), for imparting rotational or torsional forces to said torsion rod(s) and limiting the rotation of said torsion rod(s). The suspension unit of the present invention also preferably includes torsion rod(s) which are non-linear in configuration for improved strength and for improved resistance of the torsion rod to torsional rotation.
    Type: Grant
    Filed: October 8, 1991
    Date of Patent: October 27, 1992
    Assignees: Leslie M. Simmons, Charles E. Wharton
    Inventor: Donald Maul