Acetylene burners; Acetylene generators; Friction lighters for igniting gas; Laboratory burners; Lava rocks for use in barbecue grills; Heating and cooling apparatus for dispensing hot and cold beverages; Electric cooktops; Gas burners; Utility lighters for lighting grills, fireplaces and candles; Friction lighters for igniting Bunsen burners; Heating apparatus for solid, liquid or gaseous fuels; Pulse igniters for gas stoves; Oxyhydrogen burners; Carrying bags specially adapted for portable ...