Patents by Inventor Ivan Mikhailovich Fedorchenko

Ivan Mikhailovich Fedorchenko 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).

  • Mouthpiece for smoking tobacco
    Patent number: 4011877
    Abstract: A mouthpiece which comprises two filters for purifying tobacco smoke: a rough purification filter and a fine purification filter. The rough purification filter is intended to convert the resin vapors contained in the smoke into a liquid and to settle down the vapors on the inner surface of the body, and the fine purification filter is fabricated from a porous sintered metal material catching up to 80 per cent of the toxic agents.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: March 15, 1977
    Inventors: Ivan Mikhailovich Fedorchenko, Vasily Sergeevich Pugin, Vladimir Itskhok-Nukhimovich Ablov, July Yakovlevich Fridman, Mikhail Shaevich Goldberg