Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 17, 2019
Patent Application Number
15180780
Date Filed
June 13, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
An apparatus for roasting coffee beans comprises a roasting chamber for containing coffee beans. The roasting chamber is positioned within a resonant cavity of a waveguide. A microwave emitter produces microwave energy within the waveguide with one or more stable high intensity microwave regions within the roasting chamber to heat the coffee beans in the roasting chamber to a temperature sufficient to roast the coffee beans. A device configured to move the coffee beans within the one or more high intensity microwave regions is coupled to the roasting chamber.
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