Sludge blending thickener
US-10150687-B2 · Dec 11, 2018 · US
by mechanical de-watering
by mechanical de-watering · 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 | C02F11/121 |
| Official title | by mechanical de-watering |
| Display label | by mechanical de-watering |
| Total patents | 147 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 18 |
| 2017 | 22 |
| 2018 | 12 |
| 2019 | 12 |
| 2020 | 9 |
| 2021 | 20 |
| 2022 | 18 |
| 2023 | 5 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for dewatering biological solid material employing both microwave irradiation and solvent extraction
US-2018345337-A1 · Dec 6, 2018 · US
Anaerobic fermentation to produce biogas
US-10144664-B2 · Dec 4, 2018 · US
Methods for Separating Non-Fibrous Solids from Liquids using a Double-Roller
US-2018319691-A1 · Nov 8, 2018 · US
Bioreactor for treating sewage and sewage treatment system comprising the same
US-2018297879-A1 · Oct 18, 2018 · US
Methods and systems for separating solid particulates from waste water
US-2018162760-A1 · Jun 14, 2018 · US
Unit for treating a drilling mud and corresponding method
US-2018134599-A1 · May 17, 2018 · US
Sludge dehydrating system and method thereof based on thermal hydrolysis technology
US-9926216-B2 · Mar 27, 2018 · US
Flat-wire belt conveyors
US-2018072601-A1 · Mar 15, 2018 · US
Systems and methods for processing earthen slurries
US-2018071662-A1 · Mar 15, 2018 · US
Transfer systems for receiving and conveying material
US-2018072516-A1 · Mar 15, 2018 · US
Solid waste processing with diversion of cellulosic waste
US-2018002207-A1 · Jan 4, 2018 · US
Processes and treatment systems for treating high phosphorous containing fluids
US-2017369344-A1 · Dec 28, 2017 · US
Method and installation for pre-treatment employing a filter cake
US-2017368485-A1 · Dec 28, 2017 · US
Nutrient recovery process
US-9822020-B2 · Nov 21, 2017 · US
Systems for the processing of compounds
US-2017312674-A1 · Nov 2, 2017 · US
Treatment of tailing streams
US-9789457-B2 · Oct 17, 2017 · US
Processes and treatment systems for treating high phosphorous containing fluids
US-9790110-B2 · Oct 17, 2017 · US
Treatment of waste products with anaerobic digestion
US-9771292-B2 · Sep 26, 2017 · US
Sludge Blending Thickener
US-2017253516-A1 · Sep 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F11/121?
- CPC C02F11/121 is the Cooperative Patent Classification code for “by mechanical de-watering.”
- How many patents are filed under CPC C02F11/121 (by mechanical de-watering)?
- Our database includes 147 publications tagged with this CPC code.
- Is patent activity under CPC C02F11/121 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).