C02F 2003/001
Biological treatment of water, waste water, or sewage: using granular carriers or
Official title: {using granular carriers or supports for the microorganisms}
C02F2003/001 (Biological treatment of water, waste water, or sewage: using granular carriers or) appears on 168 US grants and 229 published applications in this corpus.
Search patents in C02F- Granted patents
- 168
- Published applications
- 229
- Assignees
- 161
- Inventors
- 587
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 4 |
| 2003 | 2 | 4 |
| 2004 | 0 | 6 |
| 2005 | 4 | 5 |
| 2006 | 5 | 3 |
| 2007 | 7 | 4 |
| 2008 | 4 | 9 |
| 2009 | 1 | 3 |
| 2010 | 4 | 3 |
| 2011 | 2 | 6 |
| 2012 | 1 | 1 |
| 2013 | 4 | 4 |
| 2014 | 5 | 9 |
| 2015 | 5 | 15 |
| 2016 | 7 | 18 |
| 2017 | 10 | 13 |
| 2018 | 12 | 11 |
| 2019 | 7 | 12 |
| 2020 | 11 | 21 |
| 2021 | 11 | 15 |
| 2022 | 16 | 14 |
| 2023 | 9 | 14 |
| 2024 | 15 | 18 |
| 2025 | 4 | 10 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for cultivation of oxygenic photogranule16 Jun 2026US 12,655,049 B2University of Massachusetts
- Method for removing TBBPA in water, microbial strain and microbial agent21 Apr 2026US 12,606,474 B2South China Institute of Environmental Science, Ministry of Ecology and Environment
- Systems and methods for biological transformation, concentration, and recovery of selenium from wastewater14 Apr 2026US 12,600,654 B2Arizona Board of Regents on behalf of Arizona State University
- Aerobic biological wastewater treatment in a continuous flow reactor31 Mar 2026US 12,590,020 B2HaskoningDHV Nederland B.V.
- Filter24 Mar 2026US 12,583,776 B2Hydrolize Limited
- Fixed film bioreactor for purification of water and associated methods1 Oct 2026US 2026/0296937 A1WesTech Engineering, Inc.
- Method and Composition for the Remediation of Contaminants30 Jul 2026US 2026/0216771 A1Orin Technologies, LLC
- Rapid granular sludge cultivation device and method for continuous flow anaerobic ammonium oxidation process30 Jul 2026US 2026/0217581 A1Beijing Drainage Group Co., Ltd
- Aerobic biological wastewater treatment in a continuous flow reactor4 Jun 2026US 2026/0152425 A1HaskoningDHV Nederland B.V.
- 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
Most cited
By later US patents
- Process for treatment of aqueous environments containing a water soluble polymer74US 6,623,643 B2Microtek Medical Holdings, Inc. · 2003
- Support containing particulate adsorbent and microorganisms for removal of pollutants50US 5,580,770 AAlliedSignal Inc. · 1996
- Food processing method49US 5,879,732 AThe BOC Group, Inc. · 1999
- Method of selenium removal48US 6,183,644 B2Weber State University · 2001
- Method of reducing microbial growth during processing of animal carcasses42US 6,348,227 B1The BOC Group, Inc. · 2002