Method for recovering phosphorus from sludge rich in chemical phosphorus precipitates using high-protein biomass waste
US-12304842-B2 · May 20, 2025 · US
using inorganic substances (C02F11/148 takes precedence)
using inorganic substances (C02F11/148 takes precedence) · 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 | C02F11/143 |
| Official title | using inorganic substances (C02F11/148 takes precedence) |
| Display label | using inorganic substances (C02F11/148 takes precedence) |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2017 | 8 |
| 2018 | 2 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 11 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes
US-2024425398-A1 · Dec 26, 2024 · US
Process of disposal in piles of tailings stemming from the iron ore processing method
US-12162025-B2 · Dec 10, 2024 · US
Systems and methods for dewatering slurries
US-2024395234-A1 · Nov 28, 2024 · US
Wastewater and sludge treatment device and method
US-2024336509-A1 · Oct 10, 2024 · US
Biofilm carrier media in moving bed biofilm reactor processes
US-12110243-B2 · Oct 8, 2024 · US
Process of removing aluminum waste in wastewater
US-2024279085-A1 · Aug 22, 2024 · US
Systems and methods for dewatering slurries
US-12067962-B2 · Aug 20, 2024 · US
Method for preparing sludge conditioner from water supply sludge and use of sludge conditioner
US-2024217856-A1 · Jul 4, 2024 · US
Method and system for improving solid-liquid separation performance of sludge by in-situ crystallization of water
US-2024067553-A1 · Feb 29, 2024 · US
Method and apparatus for direct drying of inorganic sludge with drum drawing process
US-11891318-B2 · Feb 6, 2024 · US
Sludge composite conditioner based on iron-containing sludge pyrolysis residue as well as preparation method and use thereof
US-11858836-B2 · Jan 2, 2024 · US
Composite treatment and remediation technology for polluted water and soil
US-2023249998-A1 · Aug 10, 2023 · US
High-Value Treatment System or Method for Urban Wet Garbage
US-2023166996-A1 · Jun 1, 2023 · US
Crushing device and waste treatment device
US-2023038184-A1 · Feb 9, 2023 · US
Method for recovering phosphorus from sludge rich in chemical phosphorus precipitates using high-protein biomass waste
US-2023008207-A1 · Jan 12, 2023 · US
Method for realizing sludge safe disposal and resource recovery through sludge liquefaction and stratification
US-11459259-B2 · Oct 4, 2022 · US
Real-time dewatering optimization
US-11420887-B2 · Aug 23, 2022 · US
Process of disposal in piles of tailings stemming from the iron ore processing method
US-2022258180-A1 · Aug 18, 2022 · US
Method for processing sludge
US-11407668-B1 · Aug 9, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F11/143?
- CPC C02F11/143 is the Cooperative Patent Classification code for “using inorganic substances (C02F11/148 takes precedence).”
- How many patents are filed under CPC C02F11/143 (using inorganic substances (C02F11/148 takes precedence))?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC C02F11/143 growing?
- Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).