Patents by Inventor Johann O. Kleinschmidt

Johann O. Kleinschmidt 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).

  • Device to stop lubricant flow on a feed dog carrier of a sewing machine
    Patent number: 4809628
    Abstract: A device to stop lubricant flow in a sewing machine comprising, a housing having a lubrication chamber, and a feed dog carrier having a part projecting out of the lubrication chamber, a feed dog in the area of stitch formation of the sewing machine, and a sliding surface of said part with a step. The device has a sealing element for the feed dog carrier, and a device for driving the feed dog carrier.
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: March 7, 1989
    Assignee: Union Special, GmbH
    Inventor: Johann O. Kleinschmidt
  • Apparatus for controlling the edge of a tubular workpiece
    Patent number: 4185570
    Abstract: This invention relates to a device for controlling the edge of a tubular fabric. More particularly, this invention relates to a tubular fabric edge control device which controls the edge so that it can be hemmed by itself or in conjunction with an elastic tape.
    Type: Grant
    Filed: July 5, 1978
    Date of Patent: January 29, 1980
    Assignee: Union Special Corporation G.m.b.H.
    Inventors: Johann O. Kleinschmidt, Konstantin Schwaab