Patents by Inventor Guglielmo Ghiringhello

Guglielmo Ghiringhello 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).

  • Method of laser welding sheet metal protected by low-vaporizing-temperature materials
    Patent number: 4682002
    Abstract: Method of laser welding sheet metal protected by using low-vaporizing-temperature materials, whereby, before being subjected to a laser welding beam along a weld area, two metal sheets are placed on top of each other in such a manner that at least one layer of the said protecting material is located between the sheets at the weld area and that the weld area communicates directly externally of the weld area between the sheets whereby gases generated by vaporization of said protective material may escape from the weld area.
    Type: Grant
    Filed: October 31, 1984
    Date of Patent: July 21, 1987
    Assignee: Prima Progetti S.p.A.
    Inventors: Alberto Delle Piane, Franco Sartorio, Maichi Cantello, Guglielmo Ghiringhello