Method for directly reducing a material by means of microwave radiation
US-12397277-B2 · Aug 26, 2025 · US
with microwaves
with microwaves · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F1/302 |
| Official title | {with microwaves} |
| Display label | with microwaves |
| Total patents | 58 |
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 | 6 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 6 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fabrication of Ca3Co4O9/MgO nanocomposite materials using pechini sol-gel method
US-12357962-B1 · Jul 15, 2025 · US
Electromagnetics-assisted nutritional enhancement of algal silage for aquaculture
US-12017930-B1 · Jun 25, 2024 · US
Sustainable auto pulsed electromagnetic irradiation system for zero discharge water treatment
US-11981585-B2 · May 14, 2024 · US
Process for enhanced anaerobic digestion of sludge by alcoholization of food waste
US-11453607-B2 · Sep 27, 2022 · US
Sustainable auto pulsed electromagnetic irradiation system for zero discharge water treatment
US-2022220010-A1 · Jul 14, 2022 · US
System and Process for Hybrid Membrane Distillation-Pervaporation
US-2022176321-A1 · Jun 9, 2022 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-11278861-B2 · Mar 22, 2022 · US
Process for enhanced anaerobic digestion of sludge by alcoholization of food waste
US-2022064043-A1 · Mar 3, 2022 · US
Method For Directly Reducing A Material By Means Of Microwave Radiation
US-2022016595-A1 · Jan 20, 2022 · US
Water treatment system with enclosed reactor and pulsed electromagnetic wave generator
US-11180384-B1 · Nov 23, 2021 · US
Systems and methods for interior energy-activation from an exterior source
US-11173467-B2 · Nov 16, 2021 · US
Microwave based systems for bacteria removal from water cooling towers
US-11161758-B2 · Nov 2, 2021 · US
Microwave based systems for bacteria removal from water cooling towers
US-2021163314-A1 · Jun 3, 2021 · US
Treatment of water comprising dissolved solids in a wellbore
US-10974972-B2 · Apr 13, 2021 · US
Microwave substance treatment systems and methods of operation
US-10941053-B2 · Mar 9, 2021 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-2020306717-A1 · Oct 1, 2020 · US
Treatment of water comprising dissolved solids in a wellbore
US-2020290892-A1 · Sep 17, 2020 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-10717062-B2 · Jul 21, 2020 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-10682624-B2 · Jun 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/302?
- CPC C02F1/302 is the Cooperative Patent Classification code for “with microwaves.”
- How many patents are filed under CPC C02F1/302 (with microwaves)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/302 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).