Patents Assigned to Delphian Partners
  • Remote calibration system
    Patent number: 4476706
    Abstract: Methods and apparatus for remote calibration of combustible gas detectors in which calibration initiation signals are applied to a sealed, explosion-proof sensor assembly to effect a remote calibration sequence and storage of calibration factors.
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: October 16, 1984
    Assignee: Delphian Partners
    Inventors: David M. Hadden, Eric S. Micko
  • Combustible gas detection system
    Patent number: 4305724
    Abstract: Methods and apparatus for measuring combustible gases in which an active sensor is maintained at controlled, temperature in respect of a reference sensor by means of a bridge-sampling system and a variable duty cycle system responsive to the bridge sampling system adapted to periodically bypass the current from the active sensor in a reference bridge network.
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: December 15, 1981
    Assignee: Delphian Partners
    Inventor: Eric S. Micko