C02F 3/2866
Particular arrangements for anaerobic reactors
Official title: {Particular arrangements for anaerobic reactors}
C02F3/2866 (Particular arrangements for anaerobic reactors) appears on 358 US grants and 352 published applications in this corpus.
Search patents in C02F- Granted patents
- 358
- Published applications
- 352
- Assignees
- 231
- Inventors
- 730
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 12 | 3 |
| 2002 | 8 | 11 |
| 2003 | 10 | 9 |
| 2004 | 6 | 8 |
| 2005 | 7 | 7 |
| 2006 | 3 | 5 |
| 2007 | 10 | 10 |
| 2008 | 5 | 10 |
| 2009 | 8 | 9 |
| 2010 | 6 | 10 |
| 2011 | 4 | 9 |
| 2012 | 7 | 12 |
| 2013 | 11 | 16 |
| 2014 | 9 | 15 |
| 2015 | 10 | 20 |
| 2016 | 13 | 19 |
| 2017 | 16 | 14 |
| 2018 | 11 | 23 |
| 2019 | 20 | 25 |
| 2020 | 15 | 13 |
| 2021 | 26 | 27 |
| 2022 | 17 | 12 |
| 2023 | 19 | 21 |
| 2024 | 21 | 22 |
| 2025 | 10 | 11 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for influent distribution and thickened sludge fermentation to enhance MSBR system6 Oct 2026US 12,753,100 B2Corstar Environmental Equipment Shanghai Ltd
- Reduced-headspace digester1 Sep 2026US 12,722,994 B2Suez International
- System and method for improved anaerobic digestion18 Aug 2026US 12,709,563 B2Topstone Ventures, LLC
- Anaerobic digester with self-delivery of accumulated solids16 Jun 2026US 12,655,048 B2Virginia Tech Intellectual Properties, Inc.
- Anaerobic digestion device for organic solid waste based on uncoupling of hydraulic retention time (HRT) from sludge retention time (SRT)28 Apr 2026US 12,612,321 B2Tongji University
- Fixed film bioreactor for purification of water and associated methods1 Oct 2026US 2026/0296937 A1WesTech Engineering, Inc.
- Fluid reservoir10 Sep 2026US 2026/0265099 A1
- Floating Equipment Support10 Sep 2026US 2026/0265100 A1
- Anaerobic digester and method of use thereof6 Aug 2026US 2026/0225929 A1Mygug Limited
- A concentric reactor for treating wastes from land-based aquaculture systems4 Jun 2026US 2026/0152423 A1Everblue Labs Ltd.
Most cited
By later US patents
- Method and apparatus for treating stormwater runoff122US 6,277,274 B12001
- Anaerobic/aerobic filter plant82US 4,895,645 A1990
- Airlift pump apparatus and method78US 6,162,020 ANCA2BioProcess, Inc. · 2000
- Septic tank filters66US 4,710,295 A1987
- Process and apparatus for a biological reactor to purify water54US 4,997,568 A1991