Radiofrequency heating of wood using a three-electrode system having a winged central electrode
US-12498172-B2 · Dec 16, 2025 · US
in combination with heat developed by electro-magnetic means, e.g. microwave energy · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F26B5/048 |
| Official title | {in combination with heat developed by electro-magnetic means, e.g. microwave energy} |
| Display label | in combination with heat developed by electro-magnetic means, e.g. microwave energy |
| Total patents | 21 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12498172-B2 · Dec 16, 2025 · US
US-2025341362-A1 · Nov 6, 2025 · US
US-2023349635-A1 · Nov 2, 2023 · US
US-2023288140-A1 · Sep 14, 2023 · US
US-11466932-B2 · Oct 11, 2022 · US
US-11460247-B2 · Oct 4, 2022 · US
US-11340014-B2 · May 24, 2022 · US
US-11105555-B2 · Aug 31, 2021 · US
US-2021180865-A9 · Jun 17, 2021 · US
US-2021048247-A1 · Feb 18, 2021 · US
US-2020309452-A1 · Oct 1, 2020 · US
US-2020256618-A1 · Aug 13, 2020 · US
US-2020158431-A1 · May 21, 2020 · US
US-2020025443-A1 · Jan 23, 2020 · US
US-2019383556-A1 · Dec 19, 2019 · US
US-10429129-B2 · Oct 1, 2019 · US
US-2016354948-A1 · Dec 8, 2016 · US
US-9456473-B2 · Sep 27, 2016 · US
US-2016252300-A1 · Sep 1, 2016 · US
US-9282594-B2 · Mar 8, 2016 · US