temperature, pressure, humidity, time, liquid level, and flame responsive controllers and parts thereof of the electric, pneumatic, hydraulic, mechanical and electronic types for use with heating, cooling, air conditioning and cooking apparatus

COMBINED PILOT AND MAIN BURNER GAS VALVES, AND PILOT BURNERS

ELECTRIC INGNITERS FOR FUEL BURNERS, ELECTRIC SWITCHES, AND VALVES OPERATED BY AN ELECTROMAGNET

METAL VALVES AND COCKS FOR CONTROLLING FLOW OF GASEOUS FLUIDS

THERMOSTATS, THERMOSTATIC TEMPERATURE REGULATORS, THERMOSTATIC WATER MIXERS, THERMOSTATIC VALVES, THERMOSTATIC SYSTEMS OF AUTOMATIC TEMPERATURE CONTROL, THERMOSTATIC TANK REGULATORS AND THERMOSTATIC SAFETY CONTROL DEVICES AND IGNITION SYSTEMS FOR FUEL BURNERS

Anatomically Designed Anesthesia and Resusitation Face Masks