Patents by Inventor Alberto S. Pandolfi

Alberto S. Pandolfi 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).

  • Water proportioning and delivering device particularly for coffee machines
    Patent number: 4213544
    Abstract: A device for dispensing a measured volume of liquid such as hot water for a coffee making machine in which the liquid is delivered to and dispensed from a cylinder having a double-acting piston the stroke of which is limited and controlled by an external microswitch which is remotely operated by the piston without physical contact, e.g., magnetically, at a predetermined point in its stroke.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: July 22, 1980
    Inventor: Alberto S. Pandolfi