Patents by Inventor Julius Rubinstein

Julius Rubinstein 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).

  • Flotation apparatus for mineral processing
    Patent number: 6010011
    Abstract: Flotation equipment for mineral processing having a single column with multi-sections or chambers in which the partitions between chambers can be moved for optimum hydrodynamics resulting in the separation of different particles in each chamber which rises to the top of the chambers entrained with air bubbles to form froth layers. Provision is made for processing large particles in at least one of the chambers.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: January 4, 2000
    Inventor: Julius Rubinstein