B01D 21/0087
Settling tanks provided with means for ensuring a special flow pattern
Official title: {Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow (B01D21/2411 takes precedence)}
B01D21/0087 (Settling tanks provided with means for ensuring a special flow pattern) appears on 275 US grants and 269 published applications in this corpus.
Search patents in B01D- Granted patents
- 275
- Published applications
- 269
- Assignees
- 195
- Inventors
- 568
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 3 | 4 |
| 2008 | 1 | 5 |
| 2009 | 4 | 7 |
| 2010 | 4 | 6 |
| 2011 | 4 | 8 |
| 2012 | 11 | 14 |
| 2013 | 3 | 10 |
| 2014 | 10 | 12 |
| 2015 | 9 | 11 |
| 2016 | 7 | 15 |
| 2017 | 14 | 15 |
| 2018 | 9 | 22 |
| 2019 | 15 | 16 |
| 2020 | 17 | 28 |
| 2021 | 32 | 21 |
| 2022 | 14 | 18 |
| 2023 | 17 | 22 |
| 2024 | 16 | 10 |
| 2025 | 12 | 8 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Apparatus and method for separating particles from a cyclonic fluid flow270US 6,251,296 B1G. B. D. Corp. · 2001
- Systems and methods for particle focusing in microchannels185US 8,186,913 B2The General Hospital Corporation · 2012
- Apparatus and method for removing fine particles from a liquid medium by ultrasonic waves175US 4,055,491 A1977
- Manipulation of particles172US 4,743,361 AInternationale Octrooi Maatschappij "Octropa" B.V. · 1988
- Blood processing systems and methods which restrict in flow of whole blood to increase platelet yields87US 5,641,414 ABaxter International Inc. · 1997