Negative electrostatic filtration apparatus
US-11878310-B2 · Jan 23, 2024 · US
Sludge reduction, e.g. by lysis
Sludge reduction, e.g. by lysis · 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 | C02F2303/06 |
| Official title | Sludge reduction, e.g. by lysis |
| Display label | Sludge reduction, e.g. by lysis |
| Total patents | 98 |
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 | 5 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 15 |
| 2022 | 6 |
| 2023 | 13 |
| 2024 | 10 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for enhancing deep degradation of proteins in sludge
US-2021403359-A1 · Dec 30, 2021 · US
Bacterium degrading microorganism, microbial preparation, and method and device for degrading microorganism
US-2021380932-A1 · Dec 9, 2021 · US
Method and apparatus for direct drying of inorganic sludge with drum drawing process
US-2021347665-A1 · Nov 11, 2021 · US
Method for sludge dewatering using kitchen waste to synergistically enhance anaerobic biological acidification and low-temperature thermal hydrolysis of excess sludge
US-2021323888-A1 · Oct 21, 2021 · US
Method and apparatus for realizing heterotrophic and autotrophic coupling advanced nitrogen removal and simultaneous sludge reduction aoa-sbr
US-2021238075-A1 · Aug 5, 2021 · US
Device for sludge treatment
US-2021188682-A1 · Jun 24, 2021 · US
Sludge dewatering device
US-11021385-B2 · Jun 1, 2021 · US
System and method for reducing liquid discharge from one or more devices
US-10987626-B2 · Apr 27, 2021 · US
Sludge dewatering process assisted by flocculating reactant and plant for the implementation of such a process
US-10981820-B2 · Apr 20, 2021 · US
Method for modifying wastewater treatment device
US-2021094854-A1 · Apr 1, 2021 · US
Electromagnetic-force-based dewatering for sewage sludge reduction
US-10927027-B2 · Feb 23, 2021 · US
Anaerobic digestion of organic fraction of solid waste with high quality digestate
US-2020354250-A1 · Nov 12, 2020 · US
Wastewater treatment system using anaerobic ammonium oxidation in mainstream
US-2020325051-A1 · Oct 15, 2020 · US
Improved sludge dewatering process assisted by flocculating reactant and plant for the implementation of such a process
US-2020290911-A1 · Sep 17, 2020 · US
Process and facility for recovering phosphorus at a wastewater treatment plant with advanced sludge treatment
US-10773983-B2 · Sep 15, 2020 · US
Methods and systems for conversion of biomass materials into biofuels and biochemicals
US-2020181664-A1 · Jun 11, 2020 · US
Method and apparatus for dewatering biological solid material employing both microwave irradiation and solvent extraction
US-10661320-B2 · May 26, 2020 · US
Method of combining recuperative digestion with a contact tank and dissolved air flotation
US-10654735-B2 · May 19, 2020 · US
Emulsion-type water-based detergent for oily sludge, preparation method and use method thereof
US-2020123478-A1 · Apr 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2303/06?
- CPC C02F2303/06 is the Cooperative Patent Classification code for “Sludge reduction, e.g. by lysis.”
- How many patents are filed under CPC C02F2303/06 (Sludge reduction, e.g. by lysis)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC C02F2303/06 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).