Cooking device for maintaining heat retention, method for maintaining heat retention in cooking device, and wireless power transmission device
US-2025089924-A1 · Mar 20, 2025 · US
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Water-boiling vessels, e.g. kettles
Water-boiling vessels, e.g. kettles · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A47J27/21 |
| Official title | Water-boiling vessels, e.g. kettles |
| Display label | Water-boiling vessels, e.g. kettles |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft cooking device
US-2025082124-A1 · Mar 13, 2025 · US
Smart kettle using induction heating
US-11957265-B2 · Apr 16, 2024 · US
Food processor with boiling point recognition
US-11311142-B2 · Apr 26, 2022 · US
Electric cooking appliance comprising a drain support with lid
US-11000144-B2 · May 11, 2021 · US
Smart kettle using induction heating
US-2021100391-A1 · Apr 8, 2021 · US
Electric Cooking Appliance Comprising A Drain Support With Lid
US-2020315388-A1 · Oct 8, 2020 · US
Food processor with boiling point recognition
US-2020305639-A1 · Oct 1, 2020 · US
A liquid heating appliance for making a beverage and associated method, power management system and microcontroller readable medium
US-2020268190-A1 · Aug 27, 2020 · US
Apparatus for steaming and blending a food product
US-10517437-B2 · Dec 31, 2019 · US
Liquid container and liquid container management system
US-2019285456-A1 · Sep 19, 2019 · US
Apparatus for steaming and blending a food product
US-2017325635-A1 · Nov 16, 2017 · US
Cooker
US-9801489-B2 · Oct 31, 2017 · US
Method and arrangement for preventing unintended spill of liquid from a vessel
US-2017135513-A1 · May 18, 2017 · US
Kettle with lid damping mechanism
US-9456714-B2 · Oct 4, 2016 · US
Hybrid apparatus for preparing beverages
US-9271605-B2 · Mar 1, 2016 · US
Cooker
US-2015320252-A1 · Nov 12, 2015 · US
Hybrid apparatus for preparing beverages
US-2015282665-A1 · Oct 8, 2015 · US