Microwave heating method in multimode cavity based on wedge-shaped dielectric plates
US-2025378227-A1 · Dec 11, 2025 · US
Mode transformers or mode stirrers
Mode transformers or mode stirrers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B6/74 |
| Official title | Mode transformers or mode stirrers |
| Display label | Mode transformers or mode stirrers |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microwave-based heating device
US-2025318025-A1 · Oct 9, 2025 · US
High frequency heating apparatus
US-2025193974-A1 · Jun 12, 2025 · US
Cooking devices, methods, and components thereof
US-2025142688-A1 · May 1, 2025 · US
Microwave irradiation device, microwave irradiation method, and method for manufacturing food
US-2025089923-A1 · Mar 20, 2025 · US
Household microwave appliance having mode variation apparatus
US-12256481-B2 · Mar 18, 2025 · US
Method of mounting electronic devices and partially shielded board for mounting electronic devices
US-2024365523-A1 · Oct 31, 2024 · US
Microwave heating method, microwave heating apparatus, and chemical reaction method
US-11883789-B2 · Jan 30, 2024 · US
Magnetic self-stirrer
US-2023321619-A1 · Oct 12, 2023 · US
Cooking apparatus
US-2023087445-A1 · Mar 23, 2023 · US
Mounting wiring board, electronic device mounting board, method of mounting electronic device, microwave heating method, and microwave heating apparatus
US-2022402058-A1 · Dec 22, 2022 · US
Household microwave appliance having mode variation apparatus
US-2022264711-A1 · Aug 18, 2022 · US
Electromagnetic field distribution adjustment device and microwave heating device
US-11382187-B2 · Jul 5, 2022 · US
System and method for controlling a heating distribution in an electromagnetic cooking device
US-11102854-B2 · Aug 24, 2021 · US
Ferrite powder, resin composition, and molded article
US-11072537-B2 · Jul 27, 2021 · US
Microwave equipment
US-10973092-B2 · Apr 6, 2021 · US
Microwave heating method, microwave heating apparatus, and chemical reaction method
US-2021023526-A1 · Jan 28, 2021 · US
Microwave heating device
US-10880960-B2 · Dec 29, 2020 · US
Microwave oven
US-10827568-B2 · Nov 3, 2020 · US
Variable time division multiplexing of electric field modes for zonal microwave cooking
US-2019394841-A1 · Dec 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B6/74?
- CPC H05B6/74 is the Cooperative Patent Classification code for “Mode transformers or mode stirrers.”
- How many patents are filed under CPC H05B6/74 (Mode transformers or mode stirrers)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC H05B6/74 growing?
- Publication counts under this code: 2 in 2024 vs 6 in 2025 (latest complete years).