Patents by Inventor Wilhelm Sewing

Wilhelm Sewing 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).

  • Apparatus for damping noise in bar-feeding devices of screw-cutting machines
    Patent number: 4179957
    Abstract: In apparatus for damping noise in bar-feeding devices of automatic screw-cutting machines a group of rollers is composed of an upper pair of laterally spaced upright rollers and a lower pair of laterally spaced upright rollers, with an endless belt extending around each pair and resilient means urging the rollers laterally away from each other to maintain the belts taut. The lower length of the upper belt and the upper length of the lower belt are engageable with the top and bottom of a rotating and axially moving bar between them.
    Type: Grant
    Filed: May 2, 1978
    Date of Patent: December 25, 1979
    Inventor: Wilhelm Sewing