B01D 2313/48
Mechanisms for switching between regular separation operations and washing
B01D2313/48 (Mechanisms for switching between regular separation operations and washing) appears on 67 US grants and 96 published applications in this corpus.
Search patents in B01D- Granted patents
- 67
- Published applications
- 96
- Assignees
- 74
- Inventors
- 242
- Latest grant
- 12 May 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
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| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 5 |
| 2008 | 1 | 3 |
| 2009 | 0 | 7 |
| 2010 | 0 | 2 |
| 2011 | 3 | 4 |
| 2012 | 4 | 1 |
| 2013 | 1 | 2 |
| 2014 | 4 | 5 |
| 2015 | 1 | 5 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 7 |
| 2019 | 4 | 6 |
| 2020 | 7 | 7 |
| 2021 | 5 | 6 |
| 2022 | 5 | 2 |
| 2023 | 3 | 7 |
| 2024 | 5 | 8 |
| 2025 | 3 | 5 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method and apparatus for separation of matter from suspension229US 5,194,145 A1993
- Automatic flushing system for membrane separation machines such as reverse osmosis machines177US 3,992,301 ARaypak, Inc. · 1976
- Cleaning of hollow fibre filters115US 4,921,610 AMemtec Limited · 1990
- Method for separation of matter from suspension107US 5,738,792 ABaxter International Inc. · 1998
- Variable volume filter or concentrator98US 4,793,932 AMemtec Limited · 1988