Patents by Inventor Bill Frey

Bill Frey 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).

  • Nitrogen generation system
    Patent number: 4439213
    Abstract: A PSA (pressure swing adsorber) system for producing high purity nitrogen from compressed air containing a pressure swing dryer to dry the compressed air arranged for regeneration by oxygen enriched desorption effluent gasses from the PSA towers.A product nitrogen purge assists in desorption of the PSA towers and leads to improved yield.The system is characterized by capability for yields of 99.5% nitrogen plus argon to exceed about 25% and an efficiency of about 60 volumes of the 99.5% product per volume of adsorbent per hour.
    Type: Grant
    Filed: December 30, 1981
    Date of Patent: March 27, 1984
    Assignee: The C. M. Kemp Manufacturing Co.
    Inventors: Bill Frey, Mark Haynie, John Psaras