Patents by Inventor Prem Krishnaswamy

Prem Krishnaswamy 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 mechanism
    Patent number: 4800017
    Abstract: An improved flotation cell for recovery of minerals from ore using a three phase system flotation process provides improved metallurgical recovery through improved rotor/stator and cell design by establishing good zonal separation within the cell and minimizing froth turbulence, providing uniform aeration in the cell, and accommodating higher aeration volumes before encountering turbulence. Parameters for the rotor/stator pump assembly, a deflector vane forming part of the stator and for pump assembly/cell configuration are disclosed.
    Type: Grant
    Filed: April 16, 1987
    Date of Patent: January 24, 1989
    Assignee: Dorr-Oliver Incorporated
    Inventors: Prem Krishnaswamy, Mark E. Hoyack