Patents by Inventor Robert Gaston Poinsard

Robert Gaston Poinsard 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 purifying carbon dioxide vapors of fermenting liquids
    Patent number: 4112829
    Abstract: A condenser, connected to receive carbon dioxide and vapors from a liquid fermenting in a container, comprises reflux tubes with baffles in a unit cooled to about -50.degree. C, whereby the vapors condense, reflux and are collected in a funnel from where they flow down a tube dipping into the fermenting liquid. The purified carbon dioxide passes out through an exhaust pipe and may be solidified.
    Type: Grant
    Filed: October 13, 1976
    Date of Patent: September 12, 1978
    Assignee: Establissement Valvin
    Inventors: Elisabeth Michele Poinsard, Robert Gaston Poinsard