Patents by Inventor Geert H. Vos

Geert H. Vos 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).

  • Propeller for distributing a gaseous, powdered or liquid material in a liquid
    Patent number: 4371480
    Abstract: Apparatus and propeller for distributing a gaseous, liquid or powdered material in a liquid by rotation in the liquid of a propeller having two or more blades. The blades have a perforated hollow portion connected to a source for the gas. The propeller is rotated at a cavitation producing velocity, and for the distribution of the material in the liquid use is made of the pressures occurring upon the implosion of the cavitations.
    Type: Grant
    Filed: October 16, 1979
    Date of Patent: February 1, 1983
    Assignee: Noordvos Schroeven B.V.
    Inventor: Geert H. Vos