Patents Assigned to Geolograph Pioneer, Inc.
  • Purge air control system
    Patent number: 4802502
    Abstract: A purge control system providing a non-hazardous environment within an electronics enclosure comprises a purge air box housing non-electrical components having fluid communication lines between them. An outlet supplies inert gas under pressure from a supply to the enclosure and an inlet receives inert gas under pressure from the enclosure.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: February 7, 1989
    Assignee: Geolograph Pioneer, Inc.
    Inventor: Henry L. Williams