Patents by Inventor Kolio Koleff

Kolio Koleff 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).

  • V/STOL Aircraft
    Patent number: 4436261
    Abstract: Various forms of V/STOL aircraft are disclosed, each having a tiltable exterior structure that is in the shape of a pair of connected partial circular conoids. In one general form the conoids house the thrust producing engines, whereas in another form they are immediately downstream thereof. Also provided is a sonic boom concentrator in the form of a fin having curved sidewalls and truncated ends.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: March 13, 1984
    Inventor: Kolio Koleff