B01D 41/02
Regeneration of the filtering material or filter elements outside the filter for
Official title: of loose filtering material
B01D41/02 (Regeneration of the filtering material or filter elements outside the filter for) appears on 41 US grants and 34 published applications in this corpus.
Search patents in B01D- Granted patents
- 41
- Published applications
- 34
- Assignees
- 32
- Inventors
- 86
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 3 | 2 |
| 2009 | 0 | 3 |
| 2010 | 3 | 4 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 1 | 3 |
| 2015 | 3 | 0 |
| 2016 | 6 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Filter medium recycling apparatus1 Oct 2024US 12,102,948 B2Daiya Corporation
- Painting booths comprising painting chambers and overspray removal units22 Dec 2020US 10,870,125 B2GEICO S.p.A.
- Method of stabilizing yeast fermented beverages1 Nov 2016US 9,481,859 B2Heineken Supply Chain B. V.
- Method and apparatus for the recovery of PVPP after contact with a yeast fermented beverage by sedimentation separation25 Oct 2016US 9,476,020 B2Heineken Supply Chain B. V.
- Method for the regeneration of PVPP from a membrane filter retentate after clarification and stabilization of a yeast fermented beverage25 Oct 2016US 9,476,021 B2Heineken Supply Chain B. V.
- Automated and self-cleaning gravel pack filter system for water treatment and disposal5 Jun 2025US 2025/0177895 A1Saudi Arabian Oil Company
- Filter medium recycling apparatus22 Dec 2022US 2022/0401864 A1Daiya Corporation
- Method of preparing regenerated spent fermented beverage media for re-use in stabilization and filtration of fermented beverages24 Mar 2022US 2022/0089987 A1Ep Minerals, LLC
- Methods for removing overspray from air flow exiting painting booths11 Mar 2021US 2021/0069743 A1GEICO S.p.A.
- Painting booths with overspray removal systems, methods for removing the overspray, and plants20 Dec 2018US 2018/0361419 A1GEICO S.p.A.
Most cited
By later US patents
- Method of and apparatus for water purification22US 5,573,671 AHans Brochier GmbH & Co. · 1996
- Continuous separation process20US 4,595,509 AAluminum Company of America · 1986
- Closed system solvent stripping and reclaiming apparatus15US 4,885,099 AJac S.A. · 1989
- Process for the compressive regeneration of flexible, porous materials13US 4,524,139 ALinde Aktiengesellschaft · 1985
- Apparatus for cleaning particulate material12US 4,782,843 A1988