Patents by Inventor Costanzo Bianchi

Costanzo Bianchi 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).

  • Valve system timing device for pipes carrying liquid under pressure
    Patent number: 4615354
    Abstract: A valve system timing device for pipes carrying fluid under pressure operable to control a fluid, so as to define an upstream and a downstream fluid pipe includes a first or by-pass shutter provided with a modulating flowrate limiting device for slowly pressurizing the downstream fluid pipe, a second or operating shutter operable in a self-actuating manner, and an actuator operated by the fluid under pressure, and opening the operating shutter when the differential pressure between the upstream and downstream pipes is decreased.
    Type: Grant
    Filed: May 17, 1984
    Date of Patent: October 7, 1986
    Assignee: S.I.G.M.A. - Societa Idraulica Generale Macchine Accessori
    Inventor: Costanzo Bianchi