Water heating apparatus and refrigerator having the same
Patent 7130533 Issued on October 31, 2006. Estimated Expiration Date: 
June 20, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 20, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1595819 2987605 Tap-off hot water system for electric beverage making device Electric instantaneous water heater with enhanced temperature control Quartz glass tube liquid heating apparatus with concentric flow paths Ultra pure water heater with coaxial helical flow paths Vacuum cleaner accessory for water heaters Dispenser assembly for refrigerator and control method thereof Patent #: 5956967 InventorsAssigneeApplicationNo. 10465617 filed on 06/20/2003US Classes:392/341, For fluid heating (e.g., gas or liquid, etc.)392/465, Continuous flow type fluid heater62/440, COOLED ENCLOSURE392/496, With heat exchange fluid15/415.1, Nozzle392/451, With immersion heating element392/481CoiledExaminersPrimary: Campbell, ThorAttorney, Agent or FirmForeign Patent References
International ClassF24H 7/02AbstractThe present invention relates to a water heating apparatus having a heat exchanger that has a maximized heat transfer area between a hot water supply tube and a heater so that clean hot water is continuously fed without a time delay. To achieve these objects, a water heating apparatus comprises: a case defining a body; a hot water supply tube having an heat exchanger installed in the case; a heat storage liquid material received in the case; and a heater installed in the case, for heating the heat storage liquid material.Other References
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