Geopolymer precursor preparation
US-2026015288-A1 · Jan 15, 2026 · US
in combination with an electric or magnetic field
in combination with an electric or magnetic field · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D11/0211 |
| Official title | {in combination with an electric or magnetic field} |
| Display label | in combination with an electric or magnetic field |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for extracting a metal ion from an earth material
US-2026014493-A1 · Jan 15, 2026 · US
Process for upcycling spent coffee grounds into an antioxidant dietary fiber
US-2025255922-A1 · Aug 14, 2025 · US
Well plate with hollow electrodes for biospecimen sample preparation
US-2025251324-A1 · Aug 7, 2025 · US
Ternary deep eutectic solvent system and uses thereof
US-2025188199-A1 · Jun 12, 2025 · US
Methods for extracting and encapsulating phenolics from food waste, related compositions, and related articles
US-2024343459-A1 · Oct 17, 2024 · US
System and method for extracting and separating botanical oils without the use of solvents
US-2024335764-A1 · Oct 10, 2024 · US
Microwave assisted extraction of essential oils from plant biomass
US-2024336869-A1 · Oct 10, 2024 · US
Ultrasonic composite acidic water extraction method for cordyceps polysaccharide and cordycepin in Cordyceps militaris
US-12109509-B2 · Oct 8, 2024 · US
Microwave reactor
US-12083490-B2 · Sep 10, 2024 · US
Microwave assisted extraction of essential oils from plant biomass
US-12054692-B2 · Aug 6, 2024 · US
Methods for extracting and encapsulating phenolics from food waste
US-11958672-B2 · Apr 16, 2024 · US
Collecting device and collecting method
US-11923138-B2 · Mar 5, 2024 · US
Method of isolating tetrahydrocannabinol from Cannabis plant and use thereof
US-11649221-B2 · May 16, 2023 · US
Large capacity natural material composition conversion apparatus using microwave with preset pressure function
US-11618002-B2 · Apr 4, 2023 · US
Methods for extracting and encapsulating phenolics from food waste, related compositions, and related articles
US-2023077582-A1 · Mar 16, 2023 · US
Collecting device and collecting method
US-2023070820-A1 · Mar 9, 2023 · US
Remediation of heavy metal contaminated soil by asymmetrical alternating current electrochemistry
US-11517950-B2 · Dec 6, 2022 · US
Methods for extracting and encapsulating phenolics from food waste, related compositions, and related articles
US-11485554-B2 · Nov 1, 2022 · US
Microwave reactor
US-2022314191-A1 · Oct 6, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D11/0211?
- CPC B01D11/0211 is the Cooperative Patent Classification code for “in combination with an electric or magnetic field.”
- How many patents are filed under CPC B01D11/0211 (in combination with an electric or magnetic field)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B01D11/0211 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).