Patents by Inventor Daniel T. Duffy

Daniel T. Duffy 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).

  • Gas exhaust systems
    Patent number: 10486955
    Abstract: A gas exhaust system particularly designed to collect and exhaust gases, particularly carbon dioxide, from beverage fountain systems where the gasses ordinarily are exhausted to the immediate environment in which the equipment sits, which when an enclosed environment (i.e. a building) may result in a hazardous condition to persons therein.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: November 26, 2019
    Inventors: Manuel J. Griego, Daniel T. Duffy, Rosa Cruz