B01D 21/2416
Liquid distributors with a plurality of feed points
Official title: {Liquid distributors with a plurality of feed points}
B01D21/2416 (Liquid distributors with a plurality of feed points) appears on 202 US grants and 133 published applications in this corpus.
Search patents in B01D- Granted patents
- 202
- Published applications
- 133
- Assignees
- 150
- Inventors
- 421
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 0 |
| 2002 | 6 | 4 |
| 2003 | 2 | 4 |
| 2004 | 4 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 9 |
| 2012 | 3 | 2 |
| 2013 | 3 | 9 |
| 2014 | 6 | 8 |
| 2015 | 6 | 11 |
| 2016 | 4 | 5 |
| 2017 | 8 | 5 |
| 2018 | 9 | 6 |
| 2019 | 2 | 4 |
| 2020 | 8 | 10 |
| 2021 | 10 | 12 |
| 2022 | 6 | 8 |
| 2023 | 7 | 6 |
| 2024 | 4 | 7 |
| 2025 | 4 | 4 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and process for separating components of a multiphase hydrocarbon stream15 Sep 2026US 12,734,531 B2Omv Downstream GmbH
- High rate thickener and eductors therefor14 Apr 2026US 12,600,656 B2Marmon Industrial Water LLC
- Apparatus and method for three-phase separation at a well24 Feb 2026US 12,560,070 B2CNX Resources Corporation
- Apparatus and method for harnessing energy from a wellbore to perform multiple functions while reducing emissions24 Feb 2026US 12,560,071 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
- Settling assembly for decanting an effluent3 Sep 2026US 2026/0257153 A1Suez International
- High rate thickener and eductors therefor23 Jul 2026US 2026/0209097 A1Marmon Industrial Water LLC
- Apparatus and method for harnessing energy from a wellbore to perform multiple functions while reducing emissions4 Jun 2026US 2026/0153020 A1CNX Resources Corporation
- Separator apparatus and feed arrangement for increased capacity21 May 2026US 2026/0138138 A1FLSmidth A/S
- Method, apparatus, and system to optimize flocculation of solid particles in a settling vessel26 Mar 2026US 2026/0084080 A1
Most cited
By later US patents
- Wastewater treatment process with cooperating velocity equalization, aeration and decanting means78US 5,186,821 A1993
- Separation apparatus and method71US 5,840,198 AInternational Fluid Separation Pty Ltd · 1998
- Dense medium cyclone separator69US 6,530,484 B1Multotec Process Equipment (Proprietary) Limited · 2003
- Process and apparatus for electrocoagulative treatment of industrial waste water63US 5,928,493 AKaspar Electroplating Corporation · 1999
- Hydraulic reactor and classifier for solid particles with ultrasonic application58US 5,947,299 AServicios Condumex · 1999