B01D 21/286
Means for gentle agitation for enhancing flocculation
Official title: {Means for gentle agitation for enhancing flocculation}
B01D21/286 (Means for gentle agitation for enhancing flocculation) appears on 59 US grants and 57 published applications in this corpus.
Search patents in B01D- Granted patents
- 59
- Published applications
- 57
- Assignees
- 53
- Inventors
- 146
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 3 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 4 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 5 |
| 2012 | 1 | 2 |
| 2013 | 0 | 3 |
| 2014 | 4 | 3 |
| 2015 | 0 | 5 |
| 2016 | 2 | 3 |
| 2017 | 3 | 3 |
| 2018 | 4 | 5 |
| 2019 | 2 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 4 |
| 2022 | 4 | 3 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for removing silicon powder in coolant for monocrystalline silicon slicing with diamond wire10 Mar 2026US 12,569,784 B2Tcl Zhonghuan Renewable Energy Technology Co., Ltd.
- Methods and devices for separation of blood components13 May 2025US 12,298,296 B2Canon Virginia, Inc.
- Shot peening apparatus17 Sep 2024US 12,090,604 B2Honda Motor Co., Ltd.
- Multipurpose wheel-washing apparatus9 May 2023US 11,643,053 B2Daekeum Geowell Co., Ltd.
- Water clarification method and device11 Apr 2023US 11,623,882 B2Orege
- A system for generating and using nox gases in an algae growth system13 Aug 2026US 2026/0233160 A1Paradigm Fuels Pty Ltd
- Method for removing silicon powder in coolant for monocrystalline silicon slicing with diamond wire30 Jan 2025US 2025/0032959 A1Tcl Zhonghuan Renewable Energy Technology Co., Ltd.
- Methods and systems for performing acoustically enhanced sedimentation4 Jul 2024US 2024/0216917 A1Acousort AB
- Methods and devices for separation of blood components2 Feb 2023US 2023/0030206 A1Canon Virginia, Inc.
- Method for Removing Solids Submerged in a Polymer-Based Slurry29 Sep 2022US 2022/0305409 A1Clean Slurry Technology, Inc.
Most cited
By later US patents
- 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 for the treatment of mineral slimes35US 3,932,275 AAmax Resource Recovery Systems, Inc. · 1976
- Method and apparatus for mechanically and chemically treating liquids33US 4,142,970 APassavant-Werke AG · 1979
- Method and apparatus for mechanically and chemically treating liquids33US 4,290,898 APassavant-Werke AG · 1981
- Installation for measuring concentration in dense granular material of a flow and water treatment system comprising same32US 6,824,692 B2Otv SA · 2004