Patents by Inventor Charles Gueissaz

Charles Gueissaz 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).

  • Controlled vortex pump feed for supplying cellulose-containing material to reaction vessel
    Patent number: 4370172
    Abstract: Method and apparatus for feeding vegetable material into a reaction vessel nder pressure to subject the vegetable material to a reaction such as cooking or hydrolysis. The vegetable material is shredded and impregnated with a treating liquid. The resulting liquid-solid mixture is fed by a vortex pump to the reaction vessel. Rate of flow to the reaction vessel is controlled by a flow meter and a variable-speed motor driving the vortex pump.
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: January 25, 1983
    Assignee: Compagnie de Construction Mecanique Sulzer, French Societe Anonyme
    Inventor: Charles Gueissaz