Sensor products, namely, speed of sound sensors to detect gas leaks and gas quality, ultrasonic sensors, acoustical sensors, pressure sensors, temperature sensors, humidity sensors, air quality sensors, leak detection sensors, acoustic emission sensors, and sensors to monitor and detect refrigerant leaks in industrial and HVAC equipment; Industrial and HVAC sensing and monitoring instrumentation and measurement devices for use with the detect of gas leaks and gas quality; Gas detection and monitoring equipment, namely, detectors, displays and alarms; Gas detectors for detecting the presence of gas; Accessories specially adapted for use with gas detectors and gas testing instruments; Gas sensing and gas detection monitoring systems and computer hardware and software system for monitoring equipment data; Computer hardware and software system for monitoring and detecting gas leaks; Environmental monitoring system comprised of meters and sensors that detect gas leaks and measure quality of gasses, pressure, humidity, and temperature and includes alarm and reporting functions; Detection systems, namely, embedded operating systems and downloadable software for monitoring specified conditions and controlling respective devices within a designated area

Design and development of diagnostic apparatus for others, namely, sensors for diagnosing/detecting the presence of gas