Patents by Inventor John C. Adelmann

John C. Adelmann 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 material for clutch facings and the like
    Patent number: 4384640
    Abstract: Friction compositions consisting of aramid fibers bonded together with cured organic binders are disclosed. The compositions are particularly useful in the preparation of automotive clutch facings and brake linings.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: May 24, 1983
    Assignee: Raymark Corporation
    Inventors: James T. Trainor, Stanley F. Covaleski, John C. Adelmann
  • Friction material for clutch facings and the like
    Patent number: 4349595
    Abstract: Friction compositions consisting of aramid fibers bonded together with cured organic binders are disclosed. The compositions are particularly useful in the preparation of automotive clutch facings and brake linings.
    Type: Grant
    Filed: June 21, 1979
    Date of Patent: September 14, 1982
    Assignee: Raybestos-Manhattan, Inc.
    Inventors: James T. Trainor, Stanley F. Covaleski, John C. Adelmann