B01D 21/2472
Means for fluidising the sediments
Official title: {Means for fluidising the sediments, e.g. by jets or mechanical agitators}
B01D21/2472 (Means for fluidising the sediments) appears on 129 US grants and 100 published applications in this corpus.
Search patents in B01D- Granted patents
- 129
- Published applications
- 100
- Assignees
- 97
- Inventors
- 223
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 2 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 4 |
| 2014 | 2 | 2 |
| 2015 | 2 | 8 |
| 2016 | 4 | 7 |
| 2017 | 6 | 4 |
| 2018 | 7 | 5 |
| 2019 | 10 | 4 |
| 2020 | 7 | 16 |
| 2021 | 13 | 9 |
| 2022 | 11 | 7 |
| 2023 | 5 | 7 |
| 2024 | 7 | 5 |
| 2025 | 4 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Scum removal system in sewage treatment plant30 Jul 2026US 2026/0217571 A1Utsunomiya Kogyo Co., Ltd.
- System and method for preventing sediment formation in tank during heat extraction from wastewater2 Oct 2025US 2025/0305780 A1
- Method and apparatus for densification of activated sludge18 Sep 2025US 2025/0288924 A1Aqua-Aerobic Systems, Inc.
- Circular grit remover with tube settlers1 May 2025US 2025/0136471 A1Smith & Loveless, Inc.
- Continuous recirculation for separation of fluids produced during drill out and flow back20 Feb 2025US 2025/0059840 A1Cp Energy Services, LLC
Most cited
By later US patents
- Centrifugation system having an interface detection surface161US 5,322,620 ABaxter International Inc. · 1994
- Centrifugation pheresis system135US 5,494,578 ABaxter International Inc. · 1996
- Centrifugation system having an interface detection system127US 5,104,526 ABaxter International Inc. · 1992
- Methods of collecting a blood plasma constituent124US 6,071,423 ABaxter International Inc. · 2000
- Method and installation for treating liquid by sedimentation using fine sand62US 4,927,543 AOmnium de Traitements et de Valorisation (OTV) · 1990