Patents by Inventor Andriolo Livio

Andriolo Livio 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: 5379662
    Abstract: A self-lubricating gear (20) has a deep circumferential groove (30) closed by an O-ring (42) seated on a shoulder (40) of the groove.Teeth (36) of a meshing gear (38) squeeze the O-ring and release small quantities of lubricant contained in the groove to lubricate the meshing teeth.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: January 10, 1995
    Assignee: Black & Decker Inc.
    Inventor: Andriolo Livio