Patents Assigned to Environmental Air Systems, Inc.
  • Test port
    Patent number: 7155989
    Abstract: A test port assembly and method are utilized for returning air characteristics within a closed chamber. The test port assembly is positioned in an exterior wall or panel and as required the test port is opened by removing a threaded cap. A thermometer can then be inserted through the test port assembly and the temperature of the air within the chamber quickly determined.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: January 2, 2007
    Assignee: Environmental Air Systems, Inc.
    Inventors: Stewart J. Gerold, Ronald W. Gardner
  • Door frame extrusion
    Patent number: D511013
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: October 25, 2005
    Assignee: Environmental Air Systems, Inc.
    Inventor: James R. Bullock, Jr.
  • Wall frame extrusion
    Patent number: D511217
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: November 1, 2005
    Assignee: Environmental Air Systems, Inc.
    Inventors: James R. Bullock, Jr., Edward G. Hansen
  • Belt guard
    Patent number: D540256
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: April 10, 2007
    Assignee: Environmental Air Systems, Inc.
    Inventor: James R. Bullock, Jr.
  • Floor extrusion
    Patent number: D554772
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: November 6, 2007
    Assignee: Environmental Air Systems, Inc.
    Inventor: William N. Bullock
  • Wall extrusion
    Patent number: D557429
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: December 11, 2007
    Assignee: Environmental Air Systems, Inc.
    Inventor: William N. Bullock, Jr.
  • U extrusion
    Patent number: D557430
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: December 11, 2007
    Assignee: Environmental Air Systems, Inc.
    Inventor: Edward G. Hansen