USB-powered cup heaters; Heating and cooling apparatus for dispensing hot and cold beverages; Electric heating pads, other than for medical purposes; Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Electric beverage heaters; Electric mug warmers; Electrically heated mugs; Electric beverage warmers; Biogas fermentation reactors, namely, percolating fermenters and dry fermenters; Po...