B01D 2201/085
Using another chemical than the liquid to be filtered
Official title: using another chemical than the liquid to be filtered
B01D2201/085 (Using another chemical than the liquid to be filtered) appears on 66 US grants and 33 published applications in this corpus.
Search patents in B01D- Granted patents
- 66
- Published applications
- 33
- Assignees
- 58
- Inventors
- 173
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 4 |
| 2022 | 2 | 3 |
| 2023 | 2 | 4 |
| 2024 | 4 | 1 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Washing device and extraction system11 Nov 2025US 12,465,170 B2Izumi Food Machinery Co., Ltd.
- Milking device with a milk filter17 Jun 2025US 12,329,120 B2Lely Patent N. V.
- Backwashable media bed filtration system and drop in retrofit kit for same28 Jan 2025US 12,208,346 B2Mycelx Technologies Corporation
- Polishing liquid supply system31 Dec 2024US 12,179,314 B2Changxin Memory Technologies, Inc.
- Systems and methods for fluid monitoring and content control in industrial fluid systems17 Dec 2024US 12,168,192 B2
- Hybrid filter and chemical cleaning assembly and method8 May 2025US 2025/0145495 A1
- Hybrid filter and chemical cleaning assembly and method8 May 2025US 2025/0145496 A1
- A method and a system for filtering a suspension4 Jan 2024US 2024/0001268 A1CHRETO ApS
- Regeneration and multiple use of depth filters7 Dec 2023US 2023/0391823 A1Hoffmann-La Roche Inc.
- Milking device with a milk filter17 Aug 2023US 2023/0255174 A1Lely Patent N. V.
Most cited
By later US patents
- Method of back-washing submerged-type ceramic membrane separation apparatus106US 5,647,988 AKubota Corporation · 1997
- Moving web filter assembly52US 5,108,623 AGould Inc. · 1992
- Filter media treatment of a fluid flow to remove colloidal matter43US 5,374,357 AD. W. Walker & Associates · 1994
- Method and apparatus for cleaning filter material in a filter apparatus34US 5,876,612 AAqua-Aerobic Systems, Inc. · 1999
- Apparatus and method of filtering solids from a liquid effluent23US 4,627,923 AInternational Tectonics Incorporated · 1986