Patents by Inventor John Dobozy

John Dobozy 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).

  • Method and apparatus for recovering an elastomeric material
    Patent number: 6722593
    Abstract: A method for recovering elastomeric material such as rubber from tires comprising the steps of soaking the tires in a mixture of an oil and a volatile solvent to soften the rubber, subjecting the softened tires to shear conditions in a separator having at least two pairs of counter rotating rollers mounted one above the other. The recovered rubber can be carbonized in a microwave chamber to produce carbon and oil.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: April 20, 2004
    Inventor: John Dobozy
  • Method and apparatus for recovering elastomeric material
    Patent number: 5316224
    Abstract: A method for recovering elastomeric material such as rubber from tires comprising the steps of soaking the tires in a mixture of liquids in tanks which soften the rubber, subjecting the softened tires to shear conditions in the rubber, and recovering the rubber and drying it in a drier. In this method grinding of the tire is not required. The recovered dried rubber can be carbonized in a microwave chamber to form a substitute for products such as carbon black formed by burning fossil fuels. A screw conveyor provides the preferred means to remove the softened rubber by a shearing action.
    Type: Grant
    Filed: June 10, 1992
    Date of Patent: May 31, 1994
    Inventor: John Dobozy