C02F 3/1268
Membrane bioreactor systems
Official title: {Membrane bioreactor systems}
C02F3/1268 (Membrane bioreactor systems) appears on 609 US grants and 855 published applications in this corpus.
Search patents in C02F- Granted patents
- 609
- Published applications
- 855
- Assignees
- 379
- Inventors
- 1,576
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 5 |
| 2002 | 9 | 8 |
| 2003 | 10 | 20 |
| 2004 | 22 | 18 |
| 2005 | 14 | 25 |
| 2006 | 16 | 30 |
| 2007 | 22 | 33 |
| 2008 | 20 | 43 |
| 2009 | 24 | 38 |
| 2010 | 24 | 45 |
| 2011 | 34 | 53 |
| 2012 | 31 | 53 |
| 2013 | 25 | 39 |
| 2014 | 30 | 44 |
| 2015 | 19 | 42 |
| 2016 | 19 | 42 |
| 2017 | 28 | 38 |
| 2018 | 37 | 43 |
| 2019 | 41 | 30 |
| 2020 | 35 | 29 |
| 2021 | 19 | 31 |
| 2022 | 22 | 35 |
| 2023 | 20 | 26 |
| 2024 | 18 | 40 |
| 2025 | 25 | 24 |
| 2026 | 16 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for treating wastewater15 Sep 2026US 12,735,337 B2Mitsubishi Chemical Corporation
- Vacuum air lift systems including a fluidic oscillator28 Jul 2026US 12,692,177 B2Searen, LLC
- Wastewater treatment method21 Jul 2026US 12,685,968 B2Kubota Corporation
- Method and system for pre-treating high strength wastewater7 Jul 2026US 12,673,887 B2
- Online biological monitoring in decentralized non-potable water system23 Jun 2026US 12,662,406 B2Natural Systems Utilities, LLC
- Process and system for simultaneous nitrification and denitrification17 Sep 2026US 2026/0274723 A1Fluence Water Products and Innovation Ltd
- Closed-loop water system with integrated atmospheric water generation and greywater recycling17 Sep 2026US 2026/0274729 A1
- Method and apparatus for multi-deselection in wastewater treatment10 Sep 2026US 2026/0265097 A1D.C. Water & Sewer Authority
- Bioreactor with membrane filtration and methods for treating wastewater10 Sep 2026US 2026/0265098 A1Bl Technologies, Inc.
- Method and apparatus for treating wastewater3 Sep 2026US 2026/0257952 A1Samsung E&A Co., Ltd.
Most cited
By later US patents
- System and method for detecting time-bomb malware168US 9,536,091 B2FireEye, Inc. · 2017
- System and method for detecting time-bomb malware153US 10,083,302 B1FireEye, Inc. · 2018
- Apparatus for treating activated sludge and method of cleaning it143US 5,192,456 AKubota Corporation · 1993
- Baffle for conversion of fine bubbles to coarse while filtering with a vertical skein of hollow fibers134US 5,910,250 AZenon Environmental Inc. · 1999
- Cyclic aeration system for submerged membrane modules132US 6,245,239 B1Zenon Environmental Inc. · 2001