Patents by Inventor Kenneth F. Perfido

Kenneth F. Perfido 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).

  • Process and apparatus for making crumb rubber from vehicle tires
    Patent number: 5588600
    Abstract: A process for recovering crumb rubber from used vehicle tires wherein the tires are comminuted in three comminuting operations, the second and third of which are prefaced by contact with a liquid cryogenic. The cryogenic liquid which is gassified upon contact with the tire particles, is reliquefied and recycled.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 31, 1996
    Inventors: Kenneth F. Perfido, Anthony M. Cialone