Patents by Inventor Heinrich J. Rohrhofer

Heinrich J. Rohrhofer 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).

  • Aluminum complex grease and method of reducing the flammability of an aluminum complex grease
    Patent number: 5037563
    Abstract: The flammability of an aluminum complex grease can be reduced by incorporating a flame retardant amount of calcium oxide into the grease provided the calcium oxide has a Loss on Ignition value of less than 3.0.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: August 6, 1991
    Assignee: Exxon Research and Engineering Company
    Inventors: Harry S. Pink, Heinrich J. Rohrhofer