B01D 21/003
Sedimentation tanks provided with a plurality of compartments separated by a partition
Official title: {Sedimentation tanks provided with a plurality of compartments separated by a partition wall (B01D21/0039 takes precedence)}
B01D21/003 (Sedimentation tanks provided with a plurality of compartments separated by a partition) appears on 367 US grants and 267 published applications in this corpus.
Search patents in B01D- Granted patents
- 367
- Published applications
- 267
- Assignees
- 242
- Inventors
- 598
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 13 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 10 | 2 |
| 2002 | 8 | 7 |
| 2003 | 8 | 14 |
| 2004 | 5 | 11 |
| 2005 | 14 | 6 |
| 2006 | 11 | 13 |
| 2007 | 6 | 7 |
| 2008 | 7 | 9 |
| 2009 | 7 | 11 |
| 2010 | 4 | 6 |
| 2011 | 8 | 11 |
| 2012 | 8 | 12 |
| 2013 | 9 | 16 |
| 2014 | 7 | 11 |
| 2015 | 14 | 18 |
| 2016 | 11 | 14 |
| 2017 | 10 | 15 |
| 2018 | 15 | 14 |
| 2019 | 21 | 15 |
| 2020 | 12 | 12 |
| 2021 | 12 | 10 |
| 2022 | 12 | 13 |
| 2023 | 11 | 5 |
| 2024 | 11 | 9 |
| 2025 | 7 | 6 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for cleaning water accruing from drilling in the ground2 Jun 2026US 12,643,060 B2Rototec AB
- Separator system and method19 May 2026US 12,631,076 B2
- Waste water treatment apparatus21 Apr 2026US 12,605,654 B2Environmental Products & Services Co., Inc.
- Crossflow setting devices and methods of use9 Dec 2025US 12,492,544 B2StormTrap LLC
- Grow table cleaning system28 Oct 2025US 12,453,990 B2
- Hydrodynamic separator with multiple settling sump cones30 Oct 2025US 2025/0332528 A1Advanced Drainage Systems, Inc.
- Improved Sedimentation Tower4 Sep 2025US 2025/0276259 A1Wyma Engineering (Nz) Limited
- Neutralization/water separation tank for esterified product and neutralization/water separation method for esterified product14 Aug 2025US 2025/0256221 A1LG Chem.Ltd.
- Continuous recirculation for separation of fluids produced during drill out and flow back17 Jul 2025US 2025/0230719 A1Cp Energy Services, LLC
- Method and apparatus for treating wastewater6 Mar 2025US 2025/0074804 A1Samsung E&A Co., Ltd.
Most cited
By later US patents
- Blood processing systems and methods which optically derive the volume of platelets contained in a plasma constituent104US 5,958,250 ABaxter International Inc. · 1999
- Blood processing systems and methods which restrict in flow of whole blood to increase platelet yields87US 5,641,414 ABaxter International Inc. · 1997
- Blood processing systems and methods for collecting mono nuclear cells81US 5,573,678 ABaxter International Inc. · 1996
- Enhanced yield blood processing systems with angled interface control surface81US 5,632,893 ABaxter Internatinoal Inc. · 1997
- Separation apparatus and method71US 5,840,198 AInternational Fluid Separation Pty Ltd · 1998