Patents by Inventor Roberto Gironi

Roberto Gironi 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).

  • Pneumatic tire for agricultural and industrial vehicles
    Patent number: 4131148
    Abstract: A pneumatic tire for a vehicle such as an agricultural tractor or the like has a tread with lugs along each side thereof spaced circumferentially from each other a distance of from 1.5 to 6 times the circumferential width of the lug. The lugs on each side extend obliquely towards the equatorial plane of the tire with the lugs along one side being spaced relative to the lugs along the other side. The surface of the tire between lugs has corners which extend between adjacent lugs and the profile between the corners along a plane parallel to the lugs is concave or rectilinear.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: December 26, 1978
    Assignee: Industrie Pirelli S.p.A.
    Inventors: Guido Bertazzoli, Roberto Gironi, Angelo Resentini