Patents Assigned to North-South Corporation
  • Patent number: 6310552
    Abstract: A system which allows the firefighter to monitor a variety of safety related parameters during firefighting activities through audible and/or visual means. The system of the present invention monitors the pressure in the firefighter's breathing system and also monitors ambient temperature and motion of the firefighter. An audible alarm is activated to indicate a potential emergency situation relating to low remaining air time, impending thermal breakthrough or lack of motion of the firefighter.
    Type: Grant
    Filed: August 15, 2000
    Date of Patent: October 30, 2001
    Assignee: North-South Corporation
    Inventors: L. Herbert Stumberg, James A. Fulton
  • Patent number: 6201475
    Abstract: A system which allows the firefighter to monitor a variety of safety related parameters during firefighting activities through audible and/or visual means. The system of the present invention monitors the pressure in the firefighter's breathing system and also monitors ambient temperature and motion of the firefighter. An audible alarm is activated to indicate a potential emergency situation relating to low remaining air time, impending thermal breakthrough or lack of motion of the firefighter.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: March 13, 2001
    Assignee: North-South Corporation
    Inventors: L. Herbert Stumberg, James A. Fulton
  • Patent number: 5910771
    Abstract: The system is adapted to receive input signals relating to the pressure in a firefighter's breathing system as well as ambient temperature and motion of the firefighter. An audible alarm is activated to indicate a potential emergency situation relating to low remaining air time, impending thermal breakthrough or lack of motion of the firefighter.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: June 8, 1999
    Assignee: North-South Corporation
    Inventors: L. Herbert Stumberg, James A. Fulton
  • Patent number: 5689234
    Abstract: A system which allows the firefighter to monitor a variety of safety related parameters during firefighting activities through audible and/or visual means. The system of the present invention monitors the pressure in the firefighter's breathing system and also monitors ambient temperature and motion of the firefighter. An audible alarm is activated to indicate a potential emergency situation relating to low remaining air time, impending thermal breakthrough or lack of motion of the firefighter.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 18, 1997
    Assignee: North-South Corporation
    Inventors: L. Herbert Stumberg, James A. Fulton
  • Patent number: 5157378
    Abstract: A monitoring and alarm system allows a firefighter to monitor a variety of safety related parameters during firefighting activities through audible and/or visual means. The system monitors the pressure in the firefighter's breathing system and also monitors ambient temperature and motion of the firefighter. An audible alarm is activated to indicate a potential emergency situation relating to low remaining air time, impending thermal breakthrough or lack of motion of the firefighter.
    Type: Grant
    Filed: August 6, 1991
    Date of Patent: October 20, 1992
    Assignee: North-South Corporation
    Inventors: L. Herbert Stumberg, James A. Fulton