Patents by Inventor Adamo Gazzoni

Adamo Gazzoni 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).

  • By-pass arrangement for controlling the return flow of a pilot valve connected into an irrigation network
    Patent number: 5366155
    Abstract: A valve arrangement of an irrigation system includes a by-pass; for controlling the return flow of a pilot valve, which by being connected between the outlet connection from the pilot valve and the return connection to the pilot valve eliminates the need for a return circuit and enables the arrangement to be connected downstream to an open circuit network used for the pulsating delivery of an irrigation liquid.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: November 22, 1994
    Assignee: Enichem Agricoltura S.p.A.
    Inventor: Adamo Gazzoni
  • Device for the pulsating delivery of an irrigation liquid, and irrigation systems which incorporate the device
    Patent number: 5267690
    Abstract: A device for the automatic pulsating delivery of an irrigation liquid is described, connectable upstream to the liquid source of constant or substantially constant pressure and downstream to an open-circuit distribution network provided with pressure-sensitive secondary valves which in response to pressure change open or close to enable the irrigation liquid to emerge. An irrigation system is also described in which said device is connected to a distribution network comprising a plurality of valves sensitive to pressure change and each provided with a delivery nozzle.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: December 7, 1993
    Assignee: Enichem Agricoltura S.p.A.
    Inventor: Adamo Gazzoni