Patents by Inventor Firoz Jafri

Firoz Jafri 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).

  • Friction lining for wet clutch
    Patent number: 8367767
    Abstract: A friction lining for a wet clutch, in particular for a converter lockup, the clutch containing the ingredients—cellulose fibers, aramid fibers, fillers and a bonding agent. To provide a cost-effective friction lining suitable for the application under the conditions of a converter lockup clutch, it is proposed to admix powdered nutshell of percentage weight between 1% and 40%.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: February 5, 2013
    Assignee: Schaeffler Technologies AG & Co., KG
    Inventors: Firoz Jafri, Martin Fuss, Michael Wilfong
  • Friction surface for wet clutch
    Patent number: 8278370
    Abstract: A friction lining made of a fibrous mixture with fillers and resin for a wet clutch. In order to design the friction lining able to withstand the higher torque to be transmitted, it is proposed to admix further filler with a Mohs hardness greater or equal to 9.0 and smaller or equal to 9.5 in addition to the ingredients of aramid fibers, cellulose fibers, phenol resin and amorphous silicon dioxide and first filler.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: October 2, 2012
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Firoz Jafri, Martin Fuss, Michael Wilfong