Patents by Inventor Alfred Kuemmel

Alfred Kuemmel 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).

  • Process for improving the run-in characteristics of drives having sintered bearings
    Patent number: 5603154
    Abstract: A process for improving the run-in characteristics of drives having sintered bearings. The drives are subject, prior to their operational usage in repeated cycles (I; II etc.), to a loading procedure exhibiting respectively a first load (M.sub.1), with the effect of operating of the sintered bearings in the mixed friction region (MR), and a following transition to a second load (M.sub.A, with the effect of operation of the sintered bearings in the boundary friction region (GR).
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: February 18, 1997
    Assignee: Siemens Aktiengesellschaft
    Inventors: Horst Steegmueller, Alfred Kuemmel