Patents by Inventor Clifford A. Madru, Sr.

Clifford A. Madru, Sr. 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).

  • Patent number: 4996737
    Abstract: An air booster power nozzle for use in combination with a vacuum cleaner having a motor/fan unit for creating a vacuum, the power nozzle including an enclosed base having a suction inlet for air and an air outlet spaced from the suction inlet, a power source and a motor energized by the power source, a suction-creating fan rotatably supported by the motor and sited relative to the enclosed base adjacent the air outlet; the motor/fan units of the vacuum cleaner and of the power nozzle operating in tandem for creating an extremely high suction and vacuum at the power nozzle to forcefully remove debris from the surface being cleaned and to preclude plugging of the power nozzle or the vacuum cleaner.
    Type: Grant
    Filed: May 11, 1990
    Date of Patent: March 5, 1991
    Assignee: Bryton Vacuum Company, Inc.
    Inventor: Clifford A. Madru, Sr.