Patents by Inventor Khorshed A. Chowdhury

Khorshed A. Chowdhury 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).

  • Cigarette filter tip
    Patent number: 8967152
    Abstract: A cigarette filter tip that includes a turbo fan activated by the breath, which turbo fan homogenizes and evenly distributes smoke to pass through a first filter and subsequently a second filter before being inhaled into the body.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: March 3, 2015
    Inventor: Khorshed A. Chowdhury