B01D 2201/084
Nozzles placed on the filtrate side of the filtering element
B01D2201/084 (Nozzles placed on the filtrate side of the filtering element) appears on 59 US grants and 43 published applications in this corpus.
Search patents in B01D- Granted patents
- 59
- Published applications
- 43
- Assignees
- 35
- Inventors
- 120
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 3 | 4 |
| 2016 | 2 | 3 |
| 2017 | 1 | 4 |
| 2018 | 3 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 0 |
| 2022 | 4 | 2 |
| 2023 | 3 | 4 |
| 2024 | 2 | 7 |
| 2025 | 2 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Candle filter device6 Oct 2026US 12,752,222 B2Lenzing Aktiengesellschaft
- Non-discharge backwash filter system17 Feb 2026US 12,551,826 B1Crescent Gdg Filter Venture, LLC
- Wastewater filters and wastewater filtration systems specifically adapted for their use11 Mar 2025US 12,246,272 B2
- Filter cleaning assembly for a dishwasher appliance25 Feb 2025US 12,232,677 B2Haier US Appliance Solutions, Inc.
- Outer cylinder screen washing apparatus of screw press10 Sep 2024US 12,083,452 B2Ishigaki Company Limited
- Rotary Disc Filter Having a High Pressure Media Cleaning System21 May 2026US 2026/0138065 A1Veolia Water Solutions & Technologies Support
- Self-cleaning filtration system with minimal waste generation for water purification applications1 May 2025US 2025/0135378 A1Halldor Systems, LLC
- Filter cleaning system and method10 Apr 2025US 2025/0114730 A1John Bean Technologies Corporation
- Filter system with backflush27 Mar 2025US 2025/0099884 A1Indufil B.V.
- Filter device for the high-pressure filtration of a plastic melt16 Jan 2025US 2025/0018318 A1Gneuss GmbH
Most cited
By later US patents
- High solids filter50US 4,297,209 ADover Corporation · 1981
- Self-cleaning filter49US 5,268,095 AFiltration Ltd. · 1993
- Liquid filtering device39US 4,655,910 AAR-KAL Plastics Products Beit Zera (1973) · 1987
- Cleanable filter system with longitudinally movable and rotatable cleaning member39US 5,228,993 A1993
- Pipeline sieve with a suction removal device38US 4,867,879 ATaprogge Gesellschaft mbH · 1989