B01D 29/66
By flushing
Official title: by flushing, e.g. counter-current air-bumps
B01D29/66 (By flushing) appears on 1,165 US grants and 862 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,165
- Published applications
- 862
- Assignees
- 688
- Inventors
- 2,068
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 21 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 19 | 0 |
| 1985 | 21 | 0 |
| 1986 | 27 | 0 |
| 1987 | 29 | 0 |
| 1988 | 17 | 0 |
| 1989 | 21 | 0 |
| 1990 | 29 | 0 |
| 1991 | 22 | 0 |
| 1992 | 24 | 0 |
| 1993 | 27 | 0 |
| 1994 | 21 | 0 |
| 1995 | 27 | 0 |
| 1996 | 30 | 0 |
| 1997 | 32 | 0 |
| 1998 | 30 | 0 |
| 1999 | 29 | 0 |
| 2000 | 19 | 0 |
| 2001 | 24 | 8 |
| 2002 | 30 | 22 |
| 2003 | 28 | 33 |
| 2004 | 19 | 33 |
| 2005 | 18 | 25 |
| 2006 | 18 | 18 |
| 2007 | 13 | 24 |
| 2008 | 10 | 29 |
| 2009 | 6 | 26 |
| 2010 | 15 | 22 |
| 2011 | 17 | 26 |
| 2012 | 23 | 33 |
| 2013 | 23 | 43 |
| 2014 | 20 | 56 |
| 2015 | 33 | 47 |
| 2016 | 24 | 47 |
| 2017 | 25 | 43 |
| 2018 | 35 | 33 |
| 2019 | 36 | 45 |
| 2020 | 46 | 43 |
| 2021 | 43 | 38 |
| 2022 | 23 | 39 |
| 2023 | 29 | 44 |
| 2024 | 42 | 39 |
| 2025 | 27 | 26 |
| 2026 | 19 | 20 |
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
- Apparatus and method for processing substrate22 Sep 2026US 12,741,239 B2Semes Co., Ltd.
- Filtration system self cleaning mechanism15 Sep 2026US 12,735,331 B2Amiad Water Systems Ltd.
- Plant and method for recycling and filtering rolling oil1 Sep 2026US 12,722,104 B2Fives Dms
- Filter device for removing particles from a fluid28 Jul 2026US 12,691,458 B2Mst Nl B.V.
- Filter device for removing particles from a fluid1 Oct 2026US 2026/0295603 A1Mst Nl B.V.
- Filter device for removing particles from a liquid24 Sep 2026US 2026/0284560 A1Mst Nl B.V.
- Washing machine effluent filtration with an agitator rotating around a filter element3 Sep 2026US 2026/0257157 A1MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
- Automatic flushing system for filters associated with an irrigation system25 Jun 2026US 2026/0175150 A1
- A multi-process filtering and drying apparatus18 Jun 2026US 2026/0166453 A1Gmm Pfaudler Limited
Most cited
By later US patents
- Apparatus and method for treating storm water runoff129US 5,707,527 AStormwater Treatment LLC · 1998
- Pressure filter with vibratory impactor125US 4,526,688 AIndustrial Filter & Pump Mfg. Co. · 1985
- Method of back-washing submerged-type ceramic membrane separation apparatus106US 5,647,988 AKubota Corporation · 1997
- Flow control member for a filter cartridge cleaning system98US 6,129,852 AGoyen Controls Co. Pty Ltd. · 2000
- Filter apparatus for continuously thickening suspensions91US 4,511,471 ADrM, Dr. Muller AG · 1985