Fire and explosion containment and prevention apparatus, namely, explosion isolation valves, no return valves, explosion vents, domed explosion vents, pyramid explosion vents, fire break shutters, and high speed abort gates, all for use with industrial and commercial ventilation systems; electronic systems for controlling fire break shutters based on sensing signals from a spark, flame, pressure, and temperature sensors; Spark detection and extinguishment systems, for use with industrial and commercial ventilation systems, for detecting and extinguishing sparks and burning materials; sensors for monitoring flames, dust, and temperature, for use with industrial and commercial ventilation systems; spark detection and extinguishing systems, spark detectors, water-based spark and fire extinguishing system, dry chemical spark and fire suppression systems, thermal probes for fire detection purposes, temperature monitoring systems comprised of sensors and meters, primarily installed in dust collecting and industrial ventilation systems, for measuring environmental temperature, emission monitoring systems comprised of sensors and meters, primarily installed in dust collecting and industrial ventilation systems, for measuring emissions levels, dust probes for dust sensing and detection purposes, broken bag detectors for sensing levels of particulate and dust in air flow, fire isolation equipment, namely, fire break shutters and firebreak dampers for fire containment purposes, and fire extinguishing equipment, namely, water-based fire extinguishment systems, dry chemical fire suppression systems; industrial and commercial ventilation control systems, namely, electronic collecting and industrial ventilation control systems consisting of electronic ventilation control devices; electronic systems for controlling ventilation equipment, namely fans and fan motors, for commercial and industrial use; industrial and commercial ventilation control systems capable of being remotely started, namely, electronic dust collecting and industrial ventilation control systems consisting of electronic ventilation control devices; energy saving electronic control systems, power supplies, and electronic filter monitoring and cleaning control systems for dust collecting and industrial ventilation systems, electronic control systems for dust collection machines

Industrial and commercial ventilation control systems, namely, ventilation apparatus and instruments for controlling environmental conditions; industrial and commercial ventilation control systems capable of being remotely started, namely, ventilation apparatus and instruments for controlling environmental conditions; accessories for dust collection, namely, filter cartridges for industrial dust collection systems; automatic blast gates, automatic butterfly dampers, barometric dampers, pressure fittings, namely, compressed air regulators, push-to- connect reducers, push-to-connect fittings, push-to-connect couplers, current sensors, low voltage cabling, manual override switches, on-off selector switches, push buttons, spring wound timers, shielding cables, all being parts and components for use with industrial and commercial ventilation systems and industrial and commercial ventilation control systems