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1. WO2020131509 - INDUCTION-HEATED VESSEL

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

CLAIMS

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:

1 . A heated ceramic vessel comprising:

a ceramic container body for insulating the contents of the vessel; a conductive heating element for thermal transfer or conduction of heat to the contents of the vessel; and

an radio-frequency identification (RFID) tag for identification and tracking of the vessel;

wherein the conductive heating element comprises one of:

a conductive glaze or coating on an inner surface of the ceramic container body;

a conductive inner layer on a base of the ceramic container body; or a label comprising a conductive element and the RFID tag.

2. The heated ceramic vessel of claim 1 , wherein the RFID tag comprises a dual frequency tag is used for identifying the product and communicating temperature control limits of the vessel.

3. The heated ceramic vessel of claim 1 , wherein the RFID tag comprises:

a smart tag comprising:

an ultra-high frequency (UFIF) antenna and UFIF interface to implement a supply chain protocol for long range application purposes; and

a high frequency (HF) antenna and high frequency interface to implement a proximity communication protocol to exchange data in a proximity range;

at least one light-emitting diode (LED integrated directly on the smart tag or implemented separately and electrically coupled to the smart tag ; and

a sensor system integrated directly on the smart tag or implemented separately and electrically coupled to the smart tag.

4. The heated ceramic vessel of any of claims 1 -3, wherein the ceramic container body comprises a base and a sidewall, and defines a chamber in which the contents of the vessel are stored, and optionally wherein the base and sidewall define an outer layer of the vessel.

5. The heated ceramic vessel any of claims 1 -4, wherein the conductive heating element comprises the conductive glaze or coating on an inner surface of the ceramic container body, and wherein the conductive glaze or coating can be applied to >50%, >60%, >70%, >80%, >90%, or >99% of the inner surface of the ceramic container body.

6. The heated ceramic vessel of claim 4, wherein the conductive glaze or coating comprises one of:

a ceramic glaze with a semiconductor system, optionally wherein the semiconductor system comprises tin or tin oxide doped with antimony;

a silica-carbon black coating; or

a silica-ferrite coating.

7. The heated ceramic vessel of any of claims 1 -4, wherein the conductive heating element comprises the conductive inner layer on a base of the ceramic container body, wherein the conductive inner layer comprises one of:

a layer comprising a mixture of copper and tin and/or tin oxides;

a thin film comprising a mixture of copper and tin and/or tin oxides; or

a heating coil comprising a thermocouple.

8. The heated ceramic vessel of claim 7, and further comprising a non-conductive glaze over the conductive inner layer.

9. The heated ceramic vessel of any of claims 1 -4, wherein the conductive heating element comprises the label comprising the conductive element and the RFID tag, and the label is bonded or adhered to the ceramic container body.

10. The heated ceramic vessel of claim 9, wherein the label comprises a sealed, dishwasher safe label.

1 1 . The heated ceramic vessel of claim 9 or claim 10, and further comprising a non-conductive glaze on an inner surface of the ceramic container body, and wherein the label is provided on an outer surface of the ceramic container body.

12. The heated ceramic vessel of any of claims 1 -1 1 , wherein the ceramic container body comprises a dual layer body comprising an outer sidewall layer and an inner sidewall layer separated from the outer sidewall layer by an air or vacuum gap.

13. The heated ceramic vessel of any of claims 1 -12, wherein the ceramic container body comprises a dishwasher-safe RFID label comprising the RFID tag.

14. The heated ceramic vessel of any of claims 1 -13, wherein the ceramic container body comprises a thermal void and the RFID tag comprises a temperature sensor in register with the thermal void.

15. A dual frequency tag for an induction-heated vessel, comprising:

a smart tag comprising:

an ultra-high frequency (UFIF) antenna and UFIF interface to implement a supply chain protocol for long range application purposes; and

a high frequency (HF) antenna and high frequency interface to implement a proximity communication protocol to exchange data in a proximity range;

at least one light-emitting diode (LED) integrated directly on the smart tag or implemented separately and electrically coupled to the smart tag ; and

a sensor system integrated directly on the smart tag or implemented separately and electrically coupled to the smart tag.

16. A system for tracking loyalty, use, and/or sales using RFID-enabled induction-heated vessels, comprising:

a plurality of dual frequency RFID tags, each associated with one induction-heated vessel and having a unique identifier;

an RFID reader associated with a retail environment; and

an induction heating device associated with the retail environment.

17. A method for manufacturing an induction-heated ceramic vessel, the method comprising:

applying a glaze composition to a ceramic container body;

firing the ceramic container body with the applied glaze composition using a single-fire cycle to form a conductive coating on the ceramic container body; and

forming a radio-frequency identification (RFID) tag on the ceramic container body; optionally wherein the glaze composition comprises a ceramic glaze with a semiconductor system comprising tin or tin oxide doped with antimony.

18. A method for manufacturing an induction-heated ceramic vessel, the method comprising:

applying a composition to a ceramic container body using a sol-gel process to form a conductive coating on the ceramic container body; and

forming a radio-frequency identification (RFID) tag on the ceramic container body; optionally wherein the conductive coating comprises one of:

a silica-carbon black coating; or

a silica-ferrite coating.

19. A method for manufacturing an induction-heated ceramic vessel, the method comprising:

applying a conductive heating element to a ceramic container body; glazing the ceramic container body and the conductive heating element with a non-conductive glaze; and

forming a radio-frequency identification (RFID) tag on the ceramic container body or on the non-conductive glaze;

optionally wherein the conductive heating element comprises one of:

a conductive layer comprising a mixture of copper and tin and/or tin oxides; or

a heating coil comprising a thermocouple.

20. A method for manufacturing an induction-heated ceramic vessel, the method comprising:

glazing a ceramic container body with a non-conductive glaze;

forming a label comprising a conductive element and a radio-frequency identification (RFID) tag; and

applying the label to the non-conductive glaze on the ceramic container body.

21. A method for manufacturing an induction-heated ceramic vessel, the method comprising:

forming a void in a ceramic container body;

glazing the ceramic container body with a non-conductive glaze; embedding a conductive element in one of the ceramic container body or the non-conductive glaze

attaching a radio-frequency identification (RFID) tag to the ceramic container body, with a temperature sensor of the RFID tag in register with the void.