B01D 29/688
With backwash arms or shoes acting on the cake side
Official title: {with backwash arms or shoes acting on the cake side}
B01D29/688 (With backwash arms or shoes acting on the cake side) appears on 110 US grants and 77 published applications in this corpus.
Search patents in B01D- Granted patents
- 110
- Published applications
- 77
- Assignees
- 68
- Inventors
- 188
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 5 |
| 2009 | 0 | 3 |
| 2010 | 2 | 3 |
| 2011 | 5 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 9 |
| 2014 | 3 | 8 |
| 2015 | 4 | 2 |
| 2016 | 2 | 8 |
| 2017 | 5 | 6 |
| 2018 | 3 | 1 |
| 2019 | 6 | 6 |
| 2020 | 5 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plant and method for recycling and filtering rolling oil1 Sep 2026US 12,722,104 B2Fives Dms
- Control mechanism for self-cleaning filtration systems15 Apr 2025US 12,274,962 B2Amiad Water Systems Ltd.
- Filtration apparatus and filter washing method therefor12 Nov 2024US 12,138,566 B2Fuji Filter Manufacturing Co., Ltd.
- Method for operating filtration device16 Jul 2024US 12,036,488 B2Fuji Filter Manufacturing Co., Ltd.
- Backflushing filter16 Apr 2024US 11,957,999 B2BWT Holding GmbH
- Backwashing device for fibrous filtration apparatus and fibrous filtration apparatus including the same14 May 2026US 2026/0131265 A1GRENEX Limited
- Filter system with backflush27 Mar 2025US 2025/0099884 A1Indufil B.V.
- Filter Device21 Nov 2024US 2024/0382875 A1Hydac Process Technology GmbH
- Plant and method for recycling and filtering rolling oil22 Aug 2024US 2024/0278150 A1Fives Dms
- Filter arrangements15 Jun 2023US 2023/0182046 A1Netafim, Ltd.
Most cited
By later US patents
- Backwashable fluid filter57US 4,295,963 A1981
- Self cleaning strainer54US 4,818,402 ATM Industrial Supply, Inc. · 1989
- Self-cleaning filter49US 5,268,095 AFiltration Ltd. · 1993
- Self-cleaning strainer47US 5,152,891 AT/M Industrial Supply, Inc. · 1992
- Self-cleaning filter assembly38US 5,595,655 ATM Industrial Supply, Inc. · 1997