B01D 21/2427
The feed or discharge opening located at a distant position from the
Official title: {The feed or discharge opening located at a distant position from the side walls}
B01D21/2427 (The feed or discharge opening located at a distant position from the) appears on 475 US grants and 271 published applications in this corpus.
Search patents in B01D- Granted patents
- 475
- Published applications
- 271
- Assignees
- 276
- Inventors
- 800
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 15 | 0 |
| 1980 | 14 | 0 |
| 1981 | 15 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 22 | 0 |
| 1997 | 13 | 0 |
| 1998 | 20 | 0 |
| 1999 | 14 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 10 | 3 |
| 2003 | 5 | 9 |
| 2004 | 5 | 13 |
| 2005 | 7 | 12 |
| 2006 | 8 | 5 |
| 2007 | 5 | 10 |
| 2008 | 6 | 6 |
| 2009 | 10 | 6 |
| 2010 | 1 | 9 |
| 2011 | 7 | 22 |
| 2012 | 11 | 2 |
| 2013 | 8 | 14 |
| 2014 | 10 | 15 |
| 2015 | 3 | 15 |
| 2016 | 7 | 15 |
| 2017 | 10 | 11 |
| 2018 | 14 | 12 |
| 2019 | 7 | 8 |
| 2020 | 15 | 20 |
| 2021 | 24 | 18 |
| 2022 | 10 | 16 |
| 2023 | 12 | 13 |
| 2024 | 10 | 8 |
| 2025 | 7 | 3 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plate assembly and method of manufacturing for use in water treatment14 Jul 2026US 12,678,714 B2Jim Myers & Sons, Inc.
- Floating liquid intake31 Mar 2026US 12,589,335 B2Turret IP Pty Ltd
- Apparatus and method for three-phase separation at a well24 Feb 2026US 12,560,070 B2CNX Resources Corporation
- Sludge withdrawal mechanism for wasting and returning settled sludge from secondary clarifier with granular sludge27 Jan 2026US 12,533,609 B2Evoqua Water Technologies LLC
- Device and method for separating a suspension11 Nov 2025US 12,465,876 B2ANDRITZ Delkor Pty Ltd
- Plate assembly and method of manufacturing for use in water treatment6 Aug 2026US 2026/0225004 A1Jim Myers & Sons, Inc.
- Scum removal system in sewage treatment plant30 Jul 2026US 2026/0217571 A1Utsunomiya Kogyo Co., Ltd.
- Method, apparatus, and system to optimize flocculation of solid particles in a settling vessel26 Mar 2026US 2026/0084080 A1
- System For Separation Of Gas, Liquid, And Solid Particles In A Material26 Feb 2026US 2026/0055329 A1Bluealp Innovations B.V.
- Grow Table Cleaning System29 Jan 2026US 2026/0027249 A1
Most cited
By later US patents
- Apparatus and method for removing fine particles from a liquid medium by ultrasonic waves175US 4,055,491 A1977
- Centrifuge reagent delivery method92US 5,958,253 ABristol-Myers Squibb Company · 1999
- Apparatus and method for separation of solids from liquid82US 5,814,230 A1998
- Vehicle wash apparatus using reclaimed water70US 5,498,329 AInterClean Equipment, Inc. · 1996
- 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