B01D 24/4647
With a rectilinear movement of the closing means
Official title: {with a rectilinear movement of the closing means}
B01D24/4647 (With a rectilinear movement of the closing means) appears on 31 US grants and 5 published applications in this corpus.
Search patents in B01D- Granted patents
- 31
- Published applications
- 5
- Assignees
- 14
- Inventors
- 30
- Latest grant
- 19 Apr 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Filter media for use in pool filters26 Mar 2013US 8,404,112 B2Industrial Insulation Group
- Automatic valve assembly for water circulation systems12 Apr 2005US 6,878,293 B1
- Air scour/backwash apparatus for celless traveling bridge filter25 Jul 2000US 6,093,329 AUnited States Filter Corporation
- Integrated unit for intake and pretreatment with local backwashing4 Feb 2021US 2021/0031125 A1Ide Projects Ltd.
- Integrated unit for intake and pretreatment with local backwashing21 Mar 2019US 2019/0083907 A1I. D.E. Technologies Ltd.
- Filter media for use in pool filters17 Oct 2013US 2013/0270199 A1Industrial Insulation Group
- Water treatment system24 Nov 2011US 2011/0284434 A1Kinetico Incorporated
- Filter media for use in pool filters2 Jun 2011US 2011/0127224 A1Industrial Insulation Group
Most cited
By later US patents
- Combined air/water backwash in a travelling bridge filter83US 5,401,405 ADavis Water & Waste Industries, Inc. · 1995
- Filter apparatus41US 4,152,265 AAqua-Aerobic Systems, Inc. · 1979
- Filter media support and containment system39US 4,133,766 AKoppers Company, Inc. · 1979
- Filter apparatus33US 4,540,487 AAqua-Aerobic Systems, Inc. · 1985
- Filter apparatus24US 4,454,034 AAqua-Aerobic Systems, Inc. · 1984