Patents Assigned to AgMaster, Inc.
  • Method and apparatus for detecting toxic gases
    Patent number: 5057436
    Abstract: Apparatus for detecting the level of ammonia in air comprises a conduit through which air is flowed as an airstream past two ammonia sensors that straddle an ammonia absorber. The apparatus also comprises a signal processing circuit for comparing signals generated by the two ammonia sensors with the difference representing the level of ammonia present in the air.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: October 15, 1991
    Assignee: AgMaster, Inc.
    Inventor: Dean M. Ball