Patents by Inventor Oscar Maifredi

Oscar Maifredi 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).

  • Insert for connecting a flexible tube to a shower head
    Patent number: 5167431
    Abstract: The invention relates to an insert for connecting a flexible tube to a shower head which has an axial pipe (13) and, externally, has keying (17) and sealed truing (15, 16) structure in a seat of said shower head. It has one elastic tab (19) with a tooth (20) able to clip into a hole (21') formed at the same level of said seat. The keying structure (17) prevents the rotation of the insert while the tooth prevents an axial unscrewing.
    Type: Grant
    Filed: January 2, 1991
    Date of Patent: December 1, 1992
    Assignee: Solid Plast S.r.l.
    Inventor: Oscar Maifredi