Patents by Inventor Gianfranco Colleoni

Gianfranco Colleoni 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).

  • Patent number: 4114790
    Abstract: A device for suctionally capturing textile yarns and then carrying away the same by pneumatic entrainment, is supplied with pressurized air and includes tubular components which are movable with respect to each other from first position whereat thereof a strong suction action is exerted in a space adjacent to a suction nozzle for capturing a yarn, to a second position whereat a strong yarn entraining action is exerted into and along passages downstream of the nozzle for carrying the captured yarn to a yarn collecting environment. The device includes operator controlled means for switching the device from one to the other of the two relative positions and modes of operation.
    Type: Grant
    Filed: April 18, 1977
    Date of Patent: September 19, 1978
    Assignee: UTITA S.p.A. Officine e Fonderie di Este
    Inventors: Pierluigi Sighieri, Gianfranco Colleoni