Patents by Inventor Enrico Magnasco

Enrico Magnasco 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).

  • Apparatus for the selection, metering and delivery of liquids, in particular treatment liquids for industrial laundry washers
    Patent number: 4524801
    Abstract: A device for the selection, metering and delivery of treatment liquids for industrial laundry washers comprising a plurality of pumping units without positive displacement of pumping members. The pumping action is performed by a correlated combination of applications of pressure and vacuum on columns of the liquid that must be pumped. The delivery or pumping rate may be adjusted by setting on each pumping unit the quantity of the displaced material by sensing the displaced volume.
    Type: Grant
    Filed: December 3, 1982
    Date of Patent: June 25, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Enrico Magnasco, Giorgio Viale