Patents by Inventor Bryan D. Winn

Bryan D. Winn 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: 5092326
    Abstract: An apparatus and method for a ventilator system which may be operated over a high range of frequencies from zero (0) to fifty (50) hertz as may be predetermined. A high frequency oscillator (14) has a pneumatically operated piston drive device (16) which may be operated at a predetermined frequency, a predetermined stroke length, and at a predetermined ratio between the time periods for the pressure stroke and the suction stroke. The piston (76) is operated from a plurality of solenoid operated valves (91). A microprocessor (92) controls the electronic operation of the valves (91) by suitable output signals.
    Type: Grant
    Filed: November 19, 1987
    Date of Patent: March 3, 1992
    Inventors: Bryan D. Winn, Howard J. Waugh, Jr.