Patents by Inventor Pietro Draghicchio

Pietro Draghicchio 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).

  • Adjustable drive shaft for multi-head sewing machine
    Patent number: 4641591
    Abstract: A sewing machine consisting of left and right hand individual sewing machines which are joined together adjustably to provide a gap between the machine bases in which drive means are provided that includes an external drive shaft that is joined at its ends to each of the individual machines.
    Type: Grant
    Filed: December 12, 1985
    Date of Patent: February 10, 1987
    Assignee: Rockwell-Rimoldi S.p.A.
    Inventor: Pietro Draghicchio
  • Device for forming a double chain stitch in a sewing machine
    Patent number: 4252072
    Abstract: A device for forming double chain stitches in a sewing machine having independent thread sources for its needle and looper. The device includes a driving apparatus for causing travel of the looper solely in a rectilinear pathway in front of the needle and is effective in taking a loop of thread from the needle and to form a triangle of threads into which the needle will descend to effect completion of a stitch as the looper returns to its starting position.
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: February 24, 1981
    Assignee: Rockwell-Rimoldi S.p.A.
    Inventors: Pietro Draghicchio, Enrico Villa
  • Sewing machine
    Patent number: D286535
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: November 4, 1986
    Assignee: Rockwell-Rimoldi S.p.A.
    Inventor: Pietro Draghicchio