Patents by Inventor Alexandr Iosifovich Filimonov

Alexandr Iosifovich Filimonov 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).

  • Filimonov hybrid dirigible craft
    Patent number: 5909857
    Abstract: The hybrid dirigible craft belongs to the category of flying vehicles which use an air cushion and take off and land at any type of airfield. The air of the invention is to design an improved dirigible craft capable of taking off from and landing on water and low-load bearing surfaces.
    Type: Grant
    Filed: April 8, 1998
    Date of Patent: June 8, 1999
    Inventor: Alexandr Iosifovich Filimonov