Patents by Inventor Patrick Ballu

Patrick Ballu 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).

  • Machine for spraying a treatment liquid, especially for the treatment of plants and soils
    Patent number: 4473188
    Abstract: A machine for spraying a liquid for the treatment of plants and soils includes a nozzle fed by a pump and a pipe. The nozzle projects the liquid to be sprayed against the central portion of a rotary thrower. A collector in the form of a sector of a ring is fixed along the periphery of the rotary thrower without contact with it, so as to intercept the liquid projected except within an angle .theta.. The liquid intercepted by the collector is collected in a receiver and returned to the tank of the machine.
    Type: Grant
    Filed: February 7, 1984
    Date of Patent: September 25, 1984
    Assignee: Tecnoma
    Inventor: Patrick Ballu