Patents Represented by Attorney, Agent or Law Firm Killworth, Gotiman, Hagan & Schaeff LLP
  • Patent number: 6290757
    Abstract: A ceramic honeycomb nitrogen purification device is provided including a source gas, a set of gaseous nitrogen passages, a set of oxygen disposal passages, an electroded oxygen conducting ceramic membrane, an electrical power source, an oxygen sensor, and nitrogen purification control circuitry. The source gas includes gaseous nitrogen. The set of gaseous nitrogen passages defines respective source nitrogen input openings and purified nitrogen output openings. The set of oxygen disposal passages defines disposed oxygen output openings, wherein a plurality of the gaseous nitrogen passages are exclusively dedicated to individual ones of the oxygen disposal passages.
    Type: Grant
    Filed: March 23, 2000
    Date of Patent: September 18, 2001
    Assignee: CeramPhysics, Inc.
    Inventor: William N. Lawless