Alkylene oxide derivatives, wetting agent, solubilizing agent, and solubilizing composition
US-2023416458-A1 · Dec 28, 2023 · US
Dissolving (separating by dissolving B01D; dissolving to effect cooling F25D5/00)
Dissolving (separating by dissolving B01D; dissolving to effect cooling F25D5/00) · 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 | B01F21/00 |
| Official title | Dissolving (separating by dissolving B01D; dissolving to effect cooling F25D5/00) |
| Display label | Dissolving (separating by dissolving B01D; dissolving to effect cooling F25D5/00) |
| Total patents | 72 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 11 |
| 2019 | 4 |
| 2020 | 15 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing heated ozone water, heated ozone water, and semiconductor wafer-cleaning liquid
US-11817309-B2 · Nov 14, 2023 · US
Sequencing of nucleic acids via barcoding in discrete entities
US-11732287-B2 · Aug 22, 2023 · US
Method of providing homogeneous aqueous polyacrylamide concentrates and use thereof
US-11725102-B2 · Aug 15, 2023 · US
Material intake device and urea preparation machine with material intake device
US-11571670-B2 · Feb 7, 2023 · US
Resistivity adjustment device and resistivity adjustment method
US-11542185-B2 · Jan 3, 2023 · US
Resistivity value regulating device and resistivity value regulating method
US-11524267-B2 · Dec 13, 2022 · US
Aerobic biological treatment apparatus
US-11459252-B2 · Oct 4, 2022 · US
Ultra-fine bubble generating method and manufacturing apparatus and manufacturing method for ultra-fine bubble-containing liquid
US-2022258107-A1 · Aug 18, 2022 · US
Ph-adjusted water production device
US-2022242760-A1 · Aug 4, 2022 · US
Dilute chemical solution production device
US-2022184571-A1 · Jun 16, 2022 · US
Apparatus for producing aqueous pH- and redox potential-adjusting solution
US-11339065-B2 · May 24, 2022 · US
Method for producing ozone water
US-11295947-B2 · Apr 5, 2022 · US
Device and method for continuous mixing of solid drag reducer
US-2022098941-A1 · Mar 31, 2022 · US
Method of providing homogeneous aqueous polyacrylamide concentrates and use thereof
US-2021347977-A1 · Nov 11, 2021 · US
Material intake device and urea preparation machine with material intake device
US-2021283562-A1 · Sep 16, 2021 · US
Sequencing of nucleic acids via barcoding in discrete entities
US-11111519-B2 · Sep 7, 2021 · US
Multifunctional c4f7n/co2 mixed gas preparation system and preparation method
US-2021237005-A1 · Aug 5, 2021 · US
Biological activated carbon treatment apparatus
US-11034602-B2 · Jun 15, 2021 · US
Method for producing ozone water
US-2021163850-A1 · Jun 3, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F21/00?
- CPC B01F21/00 is the Cooperative Patent Classification code for “Dissolving (separating by dissolving B01D; dissolving to effect cooling F25D5/00).”
- How many patents are filed under CPC B01F21/00 (Dissolving (separating by dissolving B01D; dissolving to effect cooling F25D5/00))?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC B01F21/00 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).