Three dimensional induction rethermalizing stations and control systems
US-12465171-B2 · Nov 11, 2025 · US
Dish-warmers; Devices to keep food hot
Dish-warmers; Devices to keep food hot · 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 | A47J39/02 |
| Official title | Dish-warmers; Devices to keep food hot |
| Display label | Dish-warmers; Devices to keep food hot |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 15 |
| 2019 | 9 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 3 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drawer apparatus
US-2024410591-A1 · Dec 12, 2024 · US
To-go cubby unit
US-2024206659-A1 · Jun 27, 2024 · US
To-go cubby unit
US-11957259-B2 · Apr 16, 2024 · US
Courier Delivery Box
US-2024065486-A1 · Feb 29, 2024 · US
To-go cubby unit
US-2022378247-A1 · Dec 1, 2022 · US
Multiuse food storage pan handling system
US-2022330761-A1 · Oct 20, 2022 · US
To-go cubby unit
US-11445845-B2 · Sep 20, 2022 · US
Temperature regulating system for a galley compartment of an in-flight kitchen
US-11111021-B2 · Sep 7, 2021 · US
Modular holding bin having individually configurable food holding modules
US-11033151-B2 · Jun 15, 2021 · US
Device for transporting and heating food and procedures for operation of such a device
US-2021161328-A1 · Jun 3, 2021 · US
Three dimensional induction rethermalizing stations and control systems
US-2021121003-A1 · Apr 29, 2021 · US
Three dimensional induction rethermalizing stations and control systems
US-10973368-B2 · Apr 13, 2021 · US
Control unit for actively heated or cooled drinkware and dishware
US-2021045576-A1 · Feb 18, 2021 · US
To-go cubby unit
US-2020237119-A1 · Jul 30, 2020 · US
Modular heating unit
US-2019246841-A1 · Aug 15, 2019 · US
Grill leg
US-D853786-S · Jul 16, 2019 · US
Modular holding bin with power recovery mode
US-10349777-B2 · Jul 16, 2019 · US
Hot and cold shelf assembly with replaceable heating elements
US-2019162485-A1 · May 30, 2019 · US
Hot and cold shelf assembly with replaceable heating elements
US-10288361-B2 · May 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A47J39/02?
- CPC A47J39/02 is the Cooperative Patent Classification code for “Dish-warmers; Devices to keep food hot.”
- How many patents are filed under CPC A47J39/02 (Dish-warmers; Devices to keep food hot)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC A47J39/02 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).