Patents by Inventor Francois T. N. Tuffier

Francois T. N. Tuffier 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).

  • Safety device for rendering a boat unsinkable
    Patent number: 4458618
    Abstract: The device renders unsinkable a boat such as a habitable boat having a cabin and a cockpit. The device comprises three inflatable envelopes two of which are placed on starboard side and port side bunks respectively whereas the other envelope is placed on the floor of the cabin between the two bunks. A compressed gas container controlled by a valve is connected to all the envelopes for inflating the envelopes when required.
    Type: Grant
    Filed: February 10, 1982
    Date of Patent: July 10, 1984
    Assignee: Rosa Tuffier nee Boubis
    Inventor: Francois T. N. Tuffier