Precipitation system and precipitation method
US-2022105467-A1 · Apr 7, 2022 · US
cooling by heat exchange (by evaporation of components of the mixture to be separated B01D9/0013; refrigeration machines F25B)
cooling by heat exchange (by evaporation of components of the mixture to be separated B01D9/0013; refrigeration machines F25B) · 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 | B01D9/0004 |
| Official title | {cooling by heat exchange (by evaporation of components of the mixture to be separated B01D9/0013; refrigeration machines F25B)} |
| Display label | cooling by heat exchange (by evaporation of components of the mixture to be separated B01D9/0013; refrigeration machines F25B) |
| Total patents | 99 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 15 |
| 2021 | 12 |
| 2022 | 14 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of isolating phenols from phenol-containing media
US-2021403401-A1 · Dec 30, 2021 · US
Process for making solid methylglycine diacetate (MGDA) alkali metal salt, and solid particles
US-11208375-B2 · Dec 28, 2021 · US
Methods of isolating phenols from phenol-containing media
US-11142492-B2 · Oct 12, 2021 · US
Method for producing menthol particles stabilized against caking, and storage-stable menthol particles and use thereof
US-2021198169-A1 · Jul 1, 2021 · US
Method and system for extracting long chain dicarboxylic acid
US-2021187443-A1 · Jun 24, 2021 · US
Crystalline solids of 3-palmitoyl-amido-1,2-propanediol and 3-palmitoyl-amido-2-hydroxy-1-dimethoxytriphenylmethylether-propane and methods of making and using the same
US-2021147342-A1 · May 20, 2021 · US
Apparatus and method for generating dialysate for dialysis
US-11000642-B2 · May 11, 2021 · US
Methods of isolating phenols from phenol-containing media
US-2021061743-A1 · Mar 4, 2021 · US
Method for detecting solid-liquid distribution in solid-liquid separation column of solid-liquid separation device and detection device
US-10935412-B2 · Mar 2, 2021 · US
Process for preparation of boscalid anhydrate form I and boscalid anhydrate form II
US-10934259-B2 · Mar 2, 2021 · US
Extraction of heavy polynuclear aromatics from heavy oil
US-10934493-B1 · Mar 2, 2021 · US
Method for producing cellulose particles using porous membrane
US-2021032415-A1 · Feb 4, 2021 · US
Methods to produce cannabinoid products from decarboxylated cannabinoid extracts
US-10864459-B2 · Dec 15, 2020 · US
Method for preparing (R)-N-[4-(1-amino-ethyl)-2,6-difluoro-phenyl]-methanesulfonamide
US-10858315-B2 · Dec 8, 2020 · US
Method for detecting solid-liquid distribution in solid-liquid separation column of solid-liquid separation device and detection device
US-2020309588-A1 · Oct 1, 2020 · US
Chromatography of polymers with reduced co-crystallization
US-10761072-B2 · Sep 1, 2020 · US
Sodium removal method, metal concentrating method, and metal recovery method
US-2020239981-A1 · Jul 30, 2020 · US
Methods to produce cannabinoid products from decarboxylated cannabinoid extracts
US-2020179471-A1 · Jun 11, 2020 · US
Crystal of reduced glutathione
US-10640532-B2 · May 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D9/0004?
- CPC B01D9/0004 is the Cooperative Patent Classification code for “cooling by heat exchange (by evaporation of components of the mixture to be separated B01D9/0013; refrigeration machines F25B).”
- How many patents are filed under CPC B01D9/0004 (cooling by heat exchange (by evaporation of components of the mixture to be separated B01D9/0013; refrigeration machines F25B))?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC B01D9/0004 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).