Patents by Inventor Willibald Ehrlich

Willibald Ehrlich 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).

  • Method for increasing the endurance and reducing the friction of oil lubricated conical roller bearings
    Patent number: 4511606
    Abstract: The present invention describes a method for increasing the endurance of oil lubricated conical roller bearings, in which the guide surface is coated with a lubricating paint that is insoluble in oil. A coating of a molybdenum disulphide lubricating paint with a thickness of 3 to 8 .mu.m is preferred. The coated bearing also exhibits reduced friction and quieter running, even when the lubricating paint has been worn off.
    Type: Grant
    Filed: May 13, 1983
    Date of Patent: April 16, 1985
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventors: Willibald Ehrlich, Hans Jooss, Rainer Hornung