C02F 3/1226
Comprising an absorbent material suspended in the mixed liquor
Official title: {comprising an absorbent material suspended in the mixed liquor}
C02F3/1226 (Comprising an absorbent material suspended in the mixed liquor) appears on 88 US grants and 60 published applications in this corpus.
Search patents in C02F- Granted patents
- 88
- Published applications
- 60
- Assignees
- 78
- Inventors
- 229
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 10 |
| 2015 | 4 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 7 | 5 |
| 2020 | 3 | 3 |
| 2021 | 1 | 2 |
| 2022 | 4 | 6 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 7 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow through aerobic granular sludge system and method2 Sep 2025US 12,404,193 B2Carollo Engineers, Inc.
- Systems and methods for producing ultrapure water for semiconductor fabrication processes11 Feb 2025US 12,221,371 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Sewage treatment process with magnetic sludge carbon carrier cooperated with standard upgrading and capacity improvement2 Jul 2024US 12,024,449 B2Zhejiang Zone-King Environmental Sci&Tech Co., Ltd
- System for cleaning wastewater9 Jan 2024US 11,866,355 B2Nanjing University
- Remediation of per- and poly-fluoroalkyl substances in wastewater7 Nov 2023US 11,807,565 B2
- System and method for addition and dissolution of minerals to provide a reduction in carbon dioxide emissions and other benefits2 Jul 2026US 2026/0184613 A1D.C. Water & Sewer Authority
- Enhanced activated sludge system for removing per- and polyfluoroalkyl substances (pfas) from a flow of wastewater and/or landfill leachate23 Apr 2026US 2026/0109631 A1
- Powdered activated carbon (pac) enhanced activated sludge system for removing per- and polyfluoroalkyl substances (pfas) from a flow of wastewater and/or landfill leachate29 Jan 2026US 2026/0028259 A1
- Flow Through Aerobic Granular Sludge System and Method27 Nov 2025US 2025/0361165 A1Carollo Engineers, Inc.
- System and method for removing per- and polyfluoroalkyl substances from ground water30 Oct 2025US 2025/0333333 A1South Central Connecticut Regional Water Authority
Most cited
By later US patents
- Treatment of highly colored wastewaters143US 5,302,288 AZimpro Environmental, Inc. · 1994
- Multiple zone batch treatment process102US 5,192,442 AZimpro Passavant Environmental Systems, Inc. · 1993
- Method and apparatus for treating wastewater using membrane filters84US 6,863,818 B2CH2M Hill, Inc. · 2005
- Method and apparatus for treating wastewater using membrane filters80US 6,517,723 B1CH2M Hill, Inc. · 2003
- Apparatus for treating industrial and domestic waste waters66US 3,956,128 ADegremont · 1976