Automatic oven
US-2026029132-A1 · Jan 29, 2026 · US
Doors; Flap gates
Doors; Flap gates · 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 | A21B3/02 |
| Official title | Doors; Flap gates |
| Display label | Doors; Flap gates |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automatic oven
US-12449133-B2 · Oct 21, 2025 · US
Glass coating composition, manufacturing method for coated glass using the glass coating composition, and cooking apparatus using the coated glass
US-12246984-B2 · Mar 11, 2025 · US
Body-mounted hinge assembly component
US-11988390-B1 · May 21, 2024 · US
Cooking appliance
US-11946648-B2 · Apr 2, 2024 · US
Automatic oven
US-2023392796-A1 · Dec 7, 2023 · US
Automatic oven
US-11767983-B2 · Sep 26, 2023 · US
Oven with improved drag
US-11589593-B2 · Feb 28, 2023 · US
Appliance with an adjustable door hinge
US-11536066-B2 · Dec 27, 2022 · US
Body-mounted hinge assembly component
US-11499720-B2 · Nov 15, 2022 · US
Oven
US-11466867-B2 · Oct 11, 2022 · US
Mounting assembly for a door of a home appliance and method of use
US-11326784-B2 · May 10, 2022 · US
Cooking appliance
US-2021285654-A1 · Sep 16, 2021 · US
Automatic oven
US-2021262670-A1 · Aug 26, 2021 · US
Glass coating composition, manufacturing method for coated glass using the glass coating composition, and cooking apparatus using the coated glass
US-2021230053-A1 · Jul 29, 2021 · US
Oven Door Assembly with Adjustable Center of Gravity
US-2021230920-A1 · Jul 29, 2021 · US
Appliance with an adjustable door hinge
US-2021222470-A1 · Jul 22, 2021 · US
Cooking appliance
US-11060734-B2 · Jul 13, 2021 · US
Cooking appliance
US-11054143-B2 · Jul 6, 2021 · US
Automatic oven
US-11047578-B2 · Jun 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A21B3/02?
- CPC A21B3/02 is the Cooperative Patent Classification code for “Doors; Flap gates.”
- How many patents are filed under CPC A21B3/02 (Doors; Flap gates)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC A21B3/02 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).