Pressure regulators for gas pipes and lines; Gas regulators; Oven gas igniters; Gas burners; Utility lighters for lighting grills, fireplaces and candles; Pulse igniters for gas stoves; Brackets for gas burners; Acetylene burners; Portable electric heaters; Safety accessories for gas pipes, namely, flashback arrestors and reverse flow check valves; Plumbing fittings, namely, couplers; Portable patio heaters; Dripper irrigation systems, comprised of valves, filters and regulators