C02F 3/005
Combined electrochemical biological processes
Official title: {Combined electrochemical biological processes (aeration by electrolytically produced oxygen bubbles C02F3/202)}
C02F3/005 (Combined electrochemical biological processes) appears on 141 US grants and 244 published applications in this corpus.
Search patents in C02F- Granted patents
- 141
- Published applications
- 244
- Assignees
- 165
- Inventors
- 638
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 5 |
| 2010 | 3 | 5 |
| 2011 | 1 | 8 |
| 2012 | 2 | 9 |
| 2013 | 2 | 15 |
| 2014 | 1 | 9 |
| 2015 | 7 | 14 |
| 2016 | 6 | 11 |
| 2017 | 8 | 12 |
| 2018 | 8 | 14 |
| 2019 | 11 | 22 |
| 2020 | 15 | 19 |
| 2021 | 12 | 15 |
| 2022 | 8 | 14 |
| 2023 | 13 | 22 |
| 2024 | 15 | 20 |
| 2025 | 13 | 12 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scalable continuous flow microbial fuel cells29 Sep 2026US 12,747,173 B2Aquacycl, Inc.
- Electrochemical nitrogen and phosphorus removal device and method29 Sep 2026US 12,747,176 B2Beijing Drainage Group Co., Ltd
- Apparatus and method for treating oil-containing sludge with metal-friched biochar4 Aug 2026US 12,698,227 B2Shenzhen Polytechnic
- Bioelectrochemical bioreactor12 May 2026US 12,623,937 B2Universitetet i Sørøst-Norge
- Oxidant enhanced Feammox activity30 Dec 2025US 12,509,381 B2The Trustees of Princeton University
- Waste heat utilization-based bioelectrochemical ammonia recovery stack system and ammonia recovery method27 Aug 2026US 2026/0250860 A1Tianjin University
- Capacitive-faradaic and pseudocapacitive-faradaic fuel cells20 Aug 2026US 2026/0242256 A1Technion Research & Development Foundation Limited
- Wastewater treatment method and apparatus2 Jul 2026US 2026/0184614 A1
- Bioremediation systems for wastewater treatment and methods for the use thereof7 May 2026US 2026/0125301 A1Cemvita Factory, Inc.
- Method for reducing toxicity of wastewater12 Mar 2026US 2026/0070823 A1Nanjing University
Most cited
By later US patents
- Bio-electrochemically assisted microbial reactor that generates hydrogen gas and methods of generating hydrogen gas32US 7,491,453 B2Ion Power, Inc. · 2009
- Bio-electrochemically assisted microbial reactor that generates hydrogen gas and methods of generating hydrogen gas26US 7,709,113 B2Ion Power, Inc. · 2010
- Apparatus for producing methane gas by processing waste materials25US 4,090,940 AAlpha Systems, Inc. · 1978
- Electrochemical conversion of organic material20US 4,200,505 A1980
- Electrolytic treatment of aqueous media19US 6,802,956 B2Aquatic Technologies · 2004