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Patent liability

Patent liability. Team 4: The Beancounters Kyle Haver Shicheng Guo Ethan Price Wesley Tso. Our roaster Design. 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.

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Patent liability

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  1. Patent liability Team 4: The Beancounters Kyle Haver ShichengGuo Ethan Price Wesley Tso

  2. Our roaster Design • 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

  3. US4325191: Coffee Roaster • 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

  4. US7875833 B2: Coffee Roaster and Controlling Method of SamE • Filing Date: 2006-12-07 • Similarities • Monitors temperature of beans • Fully automated roast • Key Differences • Roasting drum rotates • Uses halogen, ceramic, and sheath heaters • Uses suction to eliminate smoke

  5. CN1278705 A: Roasting system • Filing Date: 1998-11-09 • 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

  6. WO2006101511 A1 & US6942887 B1: COFFEE ROASTER METHOD AND CONTROL • Filing Date: 2005-09-12 & 2002-01-10 • 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

  7. US6112644 A:Coffee bean roaster • Filing Date: 1998-11-30 • 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

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