Patents by Inventor Helmut Heimrich

Helmut Heimrich 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).

  • Heavy-duty swivel bearing
    Patent number: 4072372
    Abstract: A swivelable journal bearing for a shaft of a converter or other heavy-duty equipment comprises a spherically convex inner ring on the shaft and an annular array of rigidly interconnected socket elements each forming at least one seat for an inwardly projecting low-friction insert having a spherically concave face in contact with the ring surface. The socket elements may be short tubes welded to one another or embedded in a shell of concrete; they could also be perforated strips welded together and backed by a concrete shell.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: February 7, 1978
    Assignee: Kugelfischer Georg Schafer & Co.
    Inventors: Heinz Korrenn, Wolfgang Teich, Helmut Heimrich