Patents by Inventor Cosmo L. Avellis

Cosmo L. Avellis 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).

  • Pressure ratio transducer system
    Patent number: 4192183
    Abstract: Pressure ratio transducer system in which input pressures are converted to electrical signals and the electrical signals are processed to produce an output signal corresponding to the ratio of the input pressures. The system is particularly suitable for use in an aircraft for determining the ratio of the change in pressure due to motion of the aircraft to the static pressure in the air surrounding the aircraft.
    Type: Grant
    Filed: February 17, 1978
    Date of Patent: March 11, 1980
    Assignee: Edcliff Instruments
    Inventors: Cosmo L. Avellis, Carlo Pavone, Albertus Wolfkamp