Back illuminated photodiode array, manufacturing method and...

Back-up auto-thermostatic modulating regulator

Baseboard conductor humidifier

Basketball practice device

Biosensors for monitoring air conditioning and refrigeration...

Bivalent heating system

Blower assisted heating and defogging system for small aircraft

Blowout temperature control apparatus of air conditioner for aut

Boiler

Boiler control system and method

Boiler for a heating system, as an article of manufacture, a boi

Boiler tank for efficiently circulating low-temperature water

Boiler ventilation system

Building heating system

Building structure for solar energy recovery and utilization

Building structure with heat storage and recovery