B01D 2201/081
Using nozzles or suction devices
Official title: using nozzles or suction devices
B01D2201/081 (Using nozzles or suction devices) appears on 152 US grants and 149 published applications in this corpus.
Search patents in B01D- Granted patents
- 152
- Published applications
- 149
- Assignees
- 103
- Inventors
- 281
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 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 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 5 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 4 |
| 2013 | 2 | 15 |
| 2014 | 4 | 7 |
| 2015 | 5 | 6 |
| 2016 | 7 | 8 |
| 2017 | 5 | 9 |
| 2018 | 8 | 5 |
| 2019 | 6 | 13 |
| 2020 | 11 | 9 |
| 2021 | 5 | 10 |
| 2022 | 13 | 9 |
| 2023 | 9 | 12 |
| 2024 | 11 | 10 |
| 2025 | 4 | 7 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Candle filter device6 Oct 2026US 12,752,222 B2Lenzing Aktiengesellschaft
- Filtration system self cleaning mechanism15 Sep 2026US 12,735,331 B2Amiad Water Systems Ltd.
- Brine injection system with improved filtering system8 Sep 2026US 12,728,372 B2Gea Food Solutions Bakel B.V.
- Multi-plate or laminated screw press10 Mar 2026US 12,569,787 B2
- Disc filter having a suction device, and method for filtering fluids using a disc filter3 Mar 2026US 12,564,803 B2Mecana AG
- Component for a filter unit, filter unit, and air purification system11 Jun 2026US 2026/0158421 A1Carl Freudenberg KG
- Regenerative media filter21 May 2026US 2026/0138061 A1Blue Skies Global LLC
- Regenerative media filter21 May 2026US 2026/0138062 A1Blue Skies Global LLC
- Air purifying filter cleaning apparatus and operating method thereof21 May 2026US 2026/0138063 A1Jk Global Co., Ltd.
- Rotary Disc Filter Having a High Pressure Media Cleaning System21 May 2026US 2026/0138065 A1Veolia Water Solutions & Technologies Support
Most cited
By later US patents
- Method and apparatus for cleaning filter material in a filter apparatus utilizing a suction generating nozzle99US 5,951,878 AAqua-Aerobic Systems, Inc. · 1999
- Self cleaning strainer54US 4,818,402 ATM Industrial Supply, Inc. · 1989
- High solids filter50US 4,297,209 ADover Corporation · 1981
- Self-cleaning filter49US 5,268,095 AFiltration Ltd. · 1993
- Self-cleaning strainer47US 5,152,891 AT/M Industrial Supply, Inc. · 1992