Acoustic pressure shock wave devices and methods for fluids processing
US-10053376-B2 · Aug 21, 2018 · US
by de-watering, drying or thickening
by de-watering, drying or thickening · 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 | C02F11/12 |
| Official title | by de-watering, drying or thickening |
| Display label | by de-watering, drying or thickening |
| Total patents | 230 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 22 |
| 2017 | 26 |
| 2018 | 17 |
| 2019 | 31 |
| 2020 | 21 |
| 2021 | 20 |
| 2022 | 19 |
| 2023 | 26 |
| 2024 | 17 |
| 2025 | 16 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solid waste treatment with conversion to gas and anaerobic digestion
US-9868964-B2 · Jan 16, 2018 · US
Method of treating cellulose containing waste water sludge for the manufacture of linerboard and cellulosic ethanol production
US-2017362106-A1 · Dec 21, 2017 · US
Method and system for sludge treatment
US-9822026-B2 · Nov 21, 2017 · US
Nutrient recovery process
US-9822020-B2 · Nov 21, 2017 · US
Continuous electrokinetic dewatering of phosphatic clay suspensions
US-2017320018-A1 · Nov 9, 2017 · US
Treatment of waste products with anaerobic digestion
US-9809481-B2 · Nov 7, 2017 · US
Method for thickening or dehydrating sludge
US-9790111-B2 · Oct 17, 2017 · US
Digestion of waste activated sludge with algae
US-9783442-B2 · Oct 10, 2017 · US
Use of celluloses in sludge dewatering, and sludge products thereof
US-9776900-B2 · Oct 3, 2017 · US
System and method for treating wastewater and resulting sludge
US-9758416-B2 · Sep 12, 2017 · US
Sludge Blending Thickener
US-2017253516-A1 · Sep 7, 2017 · US
Improved process for treating aqueous mineral suspensions
US-2017247271-A1 · Aug 31, 2017 · US
Process for producing freeze-dried sludge
US-2017233278-A1 · Aug 17, 2017 · US
Optimised hydrothermal carbonisation method and facility for implementing same
US-9718717-B2 · Aug 1, 2017 · US
Conversion of clarifier to suction pipe system
US-9695077-B2 · Jul 4, 2017 · US
Systems and methods for treating oilfield wastewater
US-2017158538-A1 · Jun 8, 2017 · US
Mixing apparatus for crushing sludge
US-2017158540-A1 · Jun 8, 2017 · US
Starch Settling Recovery System
US-2017081426-A1 · Mar 23, 2017 · US
Conversion of Clarifier to Suction Pipe System
US-2017081230-A1 · Mar 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F11/12?
- CPC C02F11/12 is the Cooperative Patent Classification code for “by de-watering, drying or thickening.”
- How many patents are filed under CPC C02F11/12 (by de-watering, drying or thickening)?
- Our database includes 230 publications tagged with this CPC code.
- Is patent activity under CPC C02F11/12 growing?
- Publication counts under this code: 17 in 2024 vs 16 in 2025 (latest complete years).