Patents by Inventor Enrique Ligeti

Enrique Ligeti 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).

  • Tobacco smoke filter
    Patent number: 4158364
    Abstract: A tobacco smoke filter embodied in a holder for retaining cigarettes and cigars during the smoking thereof wherein inhaled smoke is drawn by suction through a series of sections and successively expanded and contracted to remove more and more tar and nicotine therefrom with means for cooling the smoke during its passage through the sections.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: June 19, 1979
    Assignee: Albert P. Marinko
    Inventor: Enrique Ligeti