C02F 2307/08
Treatment of wastewater in the sewer
Official title: Treatment of wastewater in the sewer, e.g. to reduce grease, odour
C02F2307/08 (Treatment of wastewater in the sewer) appears on 126 US grants and 141 published applications in this corpus.
Search patents in C02F- Granted patents
- 126
- Published applications
- 141
- Assignees
- 79
- Inventors
- 258
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 3 |
| 2004 | 3 | 5 |
| 2005 | 2 | 8 |
| 2006 | 5 | 2 |
| 2007 | 3 | 3 |
| 2008 | 3 | 5 |
| 2009 | 2 | 3 |
| 2010 | 3 | 8 |
| 2011 | 7 | 7 |
| 2012 | 3 | 8 |
| 2013 | 6 | 6 |
| 2014 | 5 | 9 |
| 2015 | 4 | 4 |
| 2016 | 7 | 11 |
| 2017 | 7 | 4 |
| 2018 | 6 | 5 |
| 2019 | 6 | 4 |
| 2020 | 3 | 5 |
| 2021 | 6 | 10 |
| 2022 | 5 | 8 |
| 2023 | 6 | 8 |
| 2024 | 5 | 6 |
| 2025 | 4 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for removing fats, oils and/or grease (FOGs) from water26 May 2026US 12,637,367 B2Buttress Group Ltd
- Autonomous chemical dosing system and methods of use thereof20 Jan 2026US 12,528,714 B2Evoqua Water Technologies LLC
- Filtration device with ion dispersing material3 Jun 2025US 12,320,122 B2
- Apparatus with improved grit removal15 Apr 2025US 12,274,961 B2Smith & Loveless, Inc.
- Fats, oil and grease collection18 Mar 2025US 12,252,418 B2ECO CLARITY Ltd.
- Storm water filtration system14 May 2026US 2026/0132053 A1
- Compositions and method for wastewater treatment30 Apr 2026US 2026/0116784 A1Inland Environmental Resources, Inc.
- Autonomous chemical dosing system and methods of use thereof16 Apr 2026US 2026/0103401 A1Evoqua Water Technologies LLC
- Devices, methods, and compositions for treating grease traps13 Nov 2025US 2025/0346510 A1
- Waste Water Treatment to Remove Fat, Oil, and Grease1 May 2025US 2025/0136477 A1Aquarius B.V.
Most cited
By later US patents
- Biological treatment of materials92US 5,846,424 AKhudenko Engineering, Inc. · 1998
- In-sewer treatment of wastewater and sludges81US 6,015,496 A2000
- Treatment of wastewater and sludges77US 5,616,241 A1997
- Counterflow microbiological processes67US 5,514,278 A1996
- Method for reducing H2S contamination41US 6,960,330 B12005