C12M 33/22
Settling tanks
Official title: {Settling tanks; Sedimentation by gravity (settling tanks per se B01D21/02)}
C12M33/22 (Settling tanks) appears on 81 US grants and 110 published applications in this corpus.
Search patents in C12M- Granted patents
- 81
- Published applications
- 110
- Assignees
- 94
- Inventors
- 305
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 6 |
| 2012 | 1 | 4 |
| 2013 | 4 | 7 |
| 2014 | 4 | 3 |
| 2015 | 3 | 2 |
| 2016 | 2 | 6 |
| 2017 | 4 | 11 |
| 2018 | 4 | 3 |
| 2019 | 6 | 5 |
| 2020 | 7 | 7 |
| 2021 | 3 | 7 |
| 2022 | 2 | 17 |
| 2023 | 2 | 9 |
| 2024 | 3 | 5 |
| 2025 | 8 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High shear mixer25 Aug 2026US 12,716,048 B2LucasE3, L.C.
- Device for enrichment culture and gravity-type isolation of marine microorganisms in high-pressure environment18 Aug 2026US 12,709,728 B2Guangdong Laboratory of Southern Ocean Science and Engineering (Guangzhou)
- Processes for converting biomass into high-value products17 Feb 2026US 12,553,022 B2
- Granular sludge reactor system comprising an external separator30 Dec 2025US 12,509,379 B2Veolia Water Solutions & Technologies Support
- 3D multi-organ co-culture chip25 Nov 2025US 12,480,078 B2Beijing Daxiang Biotech Co., Ltd
- Processes for converting biomass into high-value products10 Sep 2026US 2026/0265674 A1The Texas A&M University System
- Photosynthetic bioreactor system25 Sep 2025US 2025/0297199 A1Alcarbo Technologies Limited
- Cell culture device and method of using the same25 Sep 2025US 2025/0297204 A1MicrofluidX Ltd
- Cell culture vessel and cell culture device7 Aug 2025US 2025/0250525 A1Fanuc Corporation
- Closed cell separation operation apparatus12 Jun 2025US 2025/0188403 A1Duogenic Stemcells Corporation
Most cited
By later US patents
- Process for the selective production of polyunsaturated fatty acids from a culture of microalgae of the porphyridium cruentum190US 5,338,673 ACommissariat A L' Energie Atomique · 1994
- Waste purification system61US 3,955,318 ABio-Kinetics Inc. · 1976
- Method for treating a waste stream using photosynthetic microorganisms40US 6,416,993 B1Biotechna Environmental International, Ltd. · 2002
- Method of control of microorganism growth process39US 5,541,056 AAquasearch, Inc. · 1996
- Method of growing anchorage-dependent cells32US 4,335,215 AMonsanto Company · 1982