Pressure detection device with improved control precision of pressure cooking appliance
US-11399651-B2 · Aug 2, 2022 · US
Safety devices
Safety devices · 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 | A47J27/09 |
| Official title | Safety devices |
| Display label | Safety devices |
| Total patents | 97 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 15 |
| 2022 | 8 |
| 2023 | 11 |
| 2024 | 13 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pressure Cooker Having Temperature Probe
US-2022039585-A1 · Feb 10, 2022 · US
Split-type electric pressure cooker
US-11154154-B2 · Oct 26, 2021 · US
Cooking appliance
US-2021315408-A1 · Oct 14, 2021 · US
Cooking device and components thereof
US-11134808-B2 · Oct 5, 2021 · US
Cooking Vessel Comprising An Audible-Alert Bimetallic Element
US-2021204752-A1 · Jul 8, 2021 · US
Multi-cook and food processing prep product
US-2021161332-A1 · Jun 3, 2021 · US
Cooking appliance
US-2021137298-A1 · May 13, 2021 · US
Pressure Cooker and Air Fryer Appliance
US-2021137300-A1 · May 13, 2021 · US
Multi-cook and food processing prep product
US-10993583-B2 · May 4, 2021 · US
Pressure cooker with improved safety
US-10993573-B2 · May 4, 2021 · US
Cooking device and components thereof
US-2021121013-A1 · Apr 29, 2021 · US
Cooking device and components thereof
US-2021121004-A1 · Apr 29, 2021 · US
Cooking device and components thereof
US-2021121012-A1 · Apr 29, 2021 · US
Cooking device and components thereof
US-2021121011-A1 · Apr 29, 2021 · US
Cooking apparatus, control method thereof and control device
US-10973362-B2 · Apr 13, 2021 · US
Steam exhausting device and electric pressure cooker comprising steam exhausting device
US-2021007531-A1 · Jan 14, 2021 · US
Electric Cooking Appliance Provided With A Removable Heating Device
US-2020405086-A1 · Dec 31, 2020 · US
Electric pressure canner with digital control
US-10849342-B2 · Dec 1, 2020 · US
Electric pressure canner with digital control
US-2020297003-A1 · Sep 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A47J27/09?
- CPC A47J27/09 is the Cooperative Patent Classification code for “Safety devices.”
- How many patents are filed under CPC A47J27/09 (Safety devices)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC A47J27/09 growing?
- Publication counts under this code: 13 in 2024 vs 7 in 2025 (latest complete years).