Patents by Inventor Dimitar Nikolaev Kolev

Dimitar Nikolaev Kolev 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).

  • Patent number: 7922870
    Abstract: A method and apparatus for waste tyres pyrolysis wherein whole tyres are directly heated in a tunnel type furnace with flue gases from the combustion of pyrolysis gases. The process produces thermal energy, carbon black and mineral oil. The cooled flue gases are purified from sulfur oxides before released into the atmosphere.
    Type: Grant
    Filed: May 3, 2006
    Date of Patent: April 12, 2011
    Inventors: Dimitar Nikolaev Kolev, Radka Borisova Ljutzkanova, Stefan Todorov Abadjiev
  • Publication number: 20080202913
    Abstract: The present invention relates to a method and apparatus for waste tyres pyrolysis wherein whole tyres are directly heated with flue gases from the combustion of pyrolysis gases, in a tunnel type furnace. The process produces thermal energy, carbon black and mineral oil; the cooled flue gases are cleaned from sulfur oxides before released into the atmosphere.
    Type: Application
    Filed: May 3, 2006
    Publication date: August 28, 2008
    Inventors: Dimitar Nikolaev Kolev, Radka Borisova Ljutzkanova, Stefan Todorov Abadjiev