US Patent 9816223 Clothing dryer

A clothing dryer includes a drying tub configured to hold laundry and having an opening to load laundry; a filter housing disposed at a front of the opening and configured to accommodate a filter; and a first sensor and a second sensor disposed at the filter housing such that the first sensor is electrically connected to the second sensor through wet laundry contacting the first sensor and the second sensor simultaneously. Each of the first sensor and the second sensor includes a sensing part exposed to an inside of the drying tub and a bent part inserted to the filter housing. The filter housing includes a partition wall to separate at least a portion of the first sensor and the second sensor.