Team 4: The Beancounters Kyle Haver Shicheng Guo Ethan Price Wesley Tso PATENT LIABILITY

 Roasts coffee beans  Circulates hot air to roast and spin the beans  Uses fan to cool the beans  Monitors the beans with sensors  Temperature  Color  Noise OUR ROASTER DESIGN

 Similarities  Roasts coffee beans with hot air  Monitors temperature with thermometer  Key differences  Only monitors temperature  Does not adjust heater temperature  Air is only used to heat the beans and not move them US : COFFEE ROASTER

 Filing Date:  Similarities  Monitors temperature of beans  Fully automated roast  Key Differences  Roasting drum rotates  Uses halogen, ceramic, and sheath heaters  Uses suction to eliminate smoke US B2: COFFEE ROASTER AND CONTROLLING METHOD OF SAME

 Filing Date:  Similarities  Roasts beans by circulating hot air  Uses air circulation to cool beans  Uses sensors to monitor roast  Key Differences  Air is not used to spin the beans  Control signals downloaded for different geographical areas  Only effective in China CN A: ROASTING SYSTEM

 Filing Date: &  Similarities  Uses hot air to roast the beans  Air is used to cool the beans  Electric motor and heating element  Key Differences  High speed air only moves beans once “sufficiently roasted”  Transparent top only means of monitoring the beans  No automation  Relies on conduction heating WO A1 & US B1: COFFEE ROASTER METHOD AND CONTROL

 Filing Date:  Similarities  Heats and circulates outside air to roast beans  Annular roasting receptacle  Key Differences  No form of automation  Timer-based roast  Air is not used to cool the beans  Nothing spins the beans US A: COFFEE BEAN ROASTER