B01D 65/04
With movable bodies
Official title: with movable bodies, e.g. foam balls
B01D65/04 (With movable bodies) appears on 35 US grants and 31 published applications in this corpus.
Search patents in B01D- Granted patents
- 35
- Published applications
- 31
- Assignees
- 35
- Inventors
- 69
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 3 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 5 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biochar-anaerobic membrane biological treatment system and process27 Jan 2026US 12,533,637 B2Xi'an University of Architecture and Technology
- Method for washing filter and method for desalinating seawater23 Jan 2024US 11,878,273 B2Asahi Kasei Kabushiki Kaisha
- Filtration unit4 Jul 2023US 11,691,100 B2Fuji Filter Manufacturing Co., Ltd.
- Filtration unit10 Nov 2020US 10,828,583 B2Fuji Filter Manufacturing Co., Ltd.
- Method and system for cleaning membrane filters28 Jul 2020US 10,722,846 B2Meurer Research, Inc.
- Biochar-anaerobic membrane biological treatment system and process4 Jul 2024US 2024/0216867 A1Xi'an University of Architecture and Technology
- Methods and Compositions for Sample Filtration15 Sep 2022US 2022/0291097 A1Dropworks, Inc.
- Method for washing filter and method for desalinating seawater29 Jul 2021US 2021/0229037 A1Asahi Kasei Kabushiki Kaisha
- Filtration Unit28 Jan 2021US 2021/0023483 A1Fuji Filter Manufacturing Co., Ltd.
- Aerobic biological treatment method14 May 2020US 2020/0148566 A1Kurita Water Industries Ltd.
Most cited
By later US patents
- Dewatering slurries48US 4,770,793 AWater Research Commission · 1988
- Non-woven support screen for mass transfer devices46US 4,022,692 AErika, Inc. · 1977
- Water treatment systems and methods37US 8,685,252 B2DXV Water Technologies, LLC · 2014
- Method and apparatus for treating waste water on ships27US 4,071,445 ADaicel Corporation · 1978
- Membrane filters with corkscrew vortex generating means24US 5,628,909 AIsis Innovation Limited · 1997