B01D 21/08
Provided with flocculating compartments
Official title: provided with flocculating compartments
B01D21/08 (Provided with flocculating compartments) appears on 193 US grants and 135 published applications in this corpus.
Search patents in B01D- Granted patents
- 193
- Published applications
- 135
- Assignees
- 121
- Inventors
- 342
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 4 |
| 2003 | 4 | 12 |
| 2004 | 8 | 12 |
| 2005 | 10 | 8 |
| 2006 | 7 | 4 |
| 2007 | 7 | 5 |
| 2008 | 2 | 6 |
| 2009 | 5 | 6 |
| 2010 | 3 | 7 |
| 2011 | 7 | 6 |
| 2012 | 4 | 3 |
| 2013 | 4 | 6 |
| 2014 | 2 | 6 |
| 2015 | 4 | 7 |
| 2016 | 4 | 3 |
| 2017 | 2 | 5 |
| 2018 | 5 | 2 |
| 2019 | 2 | 3 |
| 2020 | 4 | 6 |
| 2021 | 3 | 5 |
| 2022 | 3 | 4 |
| 2023 | 4 | 5 |
| 2024 | 3 | 5 |
| 2025 | 1 | 3 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for cleaning water accruing from drilling in the ground2 Jun 2026US 12,643,060 B2Rototec AB
- Sludge withdrawal mechanism for wasting and returning settled sludge from secondary clarifier with granular sludge27 Jan 2026US 12,533,609 B2Evoqua Water Technologies LLC
- Si removal from aqueous streams of minerals processing plants20 Jan 2026US 12,528,718 B2Metso Finland Oy
- Device and method for separating a suspension11 Nov 2025US 12,465,876 B2ANDRITZ Delkor Pty Ltd
- Method for measuring a degree of homogeneity of oils using back titration and measuring apparatus using the same26 Nov 2024US 12,153,030 B2Korea Institute of Energy Research
- Algae separation system12 Jun 2025US 2025/0187944 A1Aecom
- Method and apparatus for treating wastewater6 Mar 2025US 2025/0074804 A1Samsung E&A Co., Ltd.
- Reaction and separation apparatus13 Feb 2025US 2025/0050243 A1Bioly Limited
- Separation device and separation system14 Nov 2024US 2024/0375025 A1Panasonic Intellectual Property Management Co., Ltd.
- System And Method For Wastewater Treatment Including Use of Microporous Media Beds5 Sep 2024US 2024/0294406 A1Agsmart, Inc.
Most cited
By later US patents
- Microalgae separator apparatus and method117US 6,524,486 B2Sepal Technologies Ltd. · 2003
- Device for separating a blood component from blood or plasma94US 5,738,784 AE. R. Squibb & Sons, Inc. · 1998
- Apparatus for water purification by culturing and harvesting attached algal communities72US 5,527,456 A1996
- Process and apparatus for the chemical-mechanical treatment and purification of ground waters, surface waters and effluents69US 4,388,195 APassavant-Werke Michelbacher Hutte · 1983
- Process and apparatus for electrocoagulative treatment of industrial waste water63US 5,928,493 AKaspar Electroplating Corporation · 1999