Patents by Inventor Harold Brenner

Harold Brenner 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).

  • Joined spring washer and method of producing same
    Publication number: 20070183867
    Abstract: An axially deformable spring washer bent so as to form a ring and joined at the circumference, wherein the spring washer is provided in the form of an undulating spring with a plurality of circumferentially formed peaks and troughs, or in the form of a plate spring with a conical shape and teeth at least one circumferential edge.
    Type: Application
    Filed: January 22, 2007
    Publication date: August 9, 2007
    Inventors: Bernfried Hesselmann, Ulrich Roth, Harold Brenner, Andreas Rinsdorf
  • Plate spring with improved settlement behavior
    Patent number: 7192015
    Abstract: A plate spring of a substantially circular-ring-shaped form having a substantially externally conical upper side (12) and a substantially internally conical underside (13) between which there are positioned an outer annular edge (14) and an inner annular edge (15), wherein, in the unloaded condition, the surface layer (17) of the underside (13) comprises a higher inherent compressive stress than the surface layer (16) of the upper side (12).
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: March 20, 2007
    Assignee: Muhr und Bender KG
    Inventors: Thomas Muhr, Bernfried Hesselmann, Andreas Rinsdorf, Volker Schütz, Harold Brenner
  • Plate spring with improved settlement behaviour
    Publication number: 20050029721
    Abstract: A plate spring of a substantially circular-ring-shaped form having a substantially externally conical upper side (12) and a substantially internally conical underside (13) between which there are positioned an outer annular edge (14) and an inner annular edge (15), wherein, in the unloaded condition, the surface layer (17) of the underside (13) comprises a higher inherent compressive stress than the surface layer (16) of the upper side (12).
    Type: Application
    Filed: July 29, 2004
    Publication date: February 10, 2005
    Inventors: Thomas Muhr, Bernfried Hesselmann, Andreas Rinsdorf, Volker Schutz, Harold Brenner