Patents by Inventor Cantoni, Angelo

Cantoni, Angelo 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).

  • Lubricating oil filter for internal combustion engines, particularly of motor vehicles, with members for monitoring the degree of clogging of the filtration surface
    Patent number: 4747378
    Abstract: The lubricating oil filter of the invention comprises an outer casing which houses a filter element through which the oil passes, a pressure relief valve which prevents the oil passing through said filter element in the case of excessive pressure drop, and mutually facing metal plates separated by the filter element and arranged to form a capacitor, of which the filter element forms the dielectric, one of the plates being connected to the vehicle earth and the other being connected to an electrical conductor leading to the outside of the filter, the pressure relief valve being provided with means for connecting the electrical conductor to earth in the case of high pressure drop in the oil flow through the filter element, and with further means for connecting the electrical conductor to earth following repeated opening movements of the pressure relief valve, there being provided an instrument for measuring the capacitance of said capacitor and for indicating when the electrical conductor has been connected to
    Type: Grant
    Filed: May 6, 1986
    Date of Patent: May 31, 1988
    Assignee: Ital Idee s.r.l. an Italian Limited Liability Company
    Inventor: Cantoni, Angelo