Patents Assigned to LIFE SAFETY DISTRIBUTION GMBH
  • Auxiliary micro-electrodes for diagnostics of electrochemical gas sensors
    Patent number: 11085896
    Abstract: A gas sensor includes know types of electrodes such has sensing electrodes, counter electrodes or reference electrodes to sense the presence of a predetermined gas. In addition, at least one diagnostic electrode is carried in the sensor. The diagnostic electrode implements at least one diagnostic function without substantially impairing the gas sensing function. The diagnostic electrode is immersed in sensor electrolyte.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: August 10, 2021
    Assignee: LIFE SAFETY DISTRIBUTION GMBH
    Inventors: Keith Francis Edwin Pratt, Martin G. Jones, John Chapples, Lei Xiao
  • Gas sensor with partitioned filter
    Patent number: 10386325
    Abstract: A gas sensor including a housing containing a potassium permanganate element sandwiched between two polytetrafluoroethylene elements, a carbon element, a polytetrafluoroethylene element located adjacent to the carbon element, a sensing electrode, a reference electrode, and a counter electrode with attached current collectors, and an electrolyte.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: August 20, 2019
    Assignee: LIFE SAFETY DISTRIBUTION GMBH
    Inventors: Lei Xiao, Steven Leslie Scorfield, John Chapples