B01D 33/60
For washing
Official title: for washing
B01D33/60 (For washing) appears on 158 US grants and 34 published applications in this corpus.
Search patents in B01D- Granted patents
- 158
- Published applications
- 34
- Assignees
- 106
- Inventors
- 255
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 3 |
| 2003 | 0 | 1 |
| 2004 | 3 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 3 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for treating mixtures of liquids and solids19 May 2026US 12,630,976 B2Lean Pulp Oy
- Process for filtering 2-acrylamido-2-methylpropane sulfonic acid19 Nov 2024US 12,145,900 B2Snf Group
- [0001] Pre-coating filter device16 Apr 2024US 11,958,002 B2K-1Ecotech Co., Ltd.
- Continuous rotary plate filter and methods of use thereof24 May 2022US 11,338,228 B2Continuus Pharmaceuticals, Inc.
- Solid-liquid separation processes using a large pore filter26 Apr 2022US 11,312,678 B2Ineos US Chemicals Company
- Uniform spray-coating, cumulatively-stacking and squeezing solid-liquid separation system26 Jun 2025US 2025/0205619 A1Beijing Jinyu Mangrove Environmental Protection Technology Co., Ltd.
- Method for purifying adipose tissue and associated purified adipose tissue6 Feb 2025US 2025/0041773 A1
- Disposable filtration device for purifying adipose tissue30 Jan 2025US 2025/0032962 A1
- System for purification of acrylamido tertiary butyl sulfonic acid and process thereof17 Oct 2024US 2024/0343685 A1Vinati Organics Limited
- Method and apparatus for treating mixtures of liquids and solids23 May 2024US 2024/0167224 A1Lean Pulp Oy
Most cited
By later US patents
- Rotary drum filter with reciprocating nozzle means70US 5,470,472 ADorr-Oliver Incorporated · 1995
- Method and apparatus for displacing liquor from a slurry of particulate solid material60US 5,643,468 AImperial Chemical Industries PLC · 1997
- Drilling mud cleaning apparatus56US 4,350,591 A1982
- Method for recovering crystals from slurry with wash water recycle means49US 5,676,847 AMitsui Petrochemical Industries, Ltd. · 1997
- Continuously operable rotating drum pressure differential filter, method and systems47US 6,800,197 B1Genencor International, Inc. · 2004