B01D 24/105
Downward filtration without specifications about the filter material supporting means
Official title: {downward filtration without specifications about the filter material supporting means}
B01D24/105 (Downward filtration without specifications about the filter material supporting means) appears on 75 US grants and 79 published applications in this corpus.
Search patents in B01D- Granted patents
- 75
- Published applications
- 79
- Assignees
- 69
- Inventors
- 216
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 5 |
| 2003 | 0 | 0 |
| 2004 | 2 | 6 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 3 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 1 | 4 |
| 2018 | 2 | 3 |
| 2019 | 0 | 5 |
| 2020 | 3 | 4 |
| 2021 | 3 | 8 |
| 2022 | 3 | 7 |
| 2023 | 5 | 7 |
| 2024 | 2 | 4 |
| 2025 | 5 | 7 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of making a filter with ground animal bone granules and filtering therewith9 Dec 2025US 12,491,453 B1
- Date seed powder for water filtration treatment15 Jul 2025US 12,357,927 B2Saudi Arabian Oil Company
- Filter system for removing and/or neutralizing undissolved oil, grease, and salts and/or abraded metal particles on and in emulsions containing water6 May 2025US 12,290,763 B2Newfluid GmbH
- Iron-based desalination25 Mar 2025US 12,258,283 B2Badwater Alchemy Inc.
- Water filtration and aeration unit18 Mar 2025US 12,252,415 B2Wets LLC
- Filtration system14 May 2026US 2026/0131263 A2The Pennington School
- Filtration system11 Dec 2025US 2025/0375720 A1The Pennington School, Women in STEM Solving Problems ("WISSP")
- Iron-based desalination14 Aug 2025US 2025/0256987 A1Badwater Alchemy Inc.
- 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
Most cited
By later US patents
- Quick-change filter cartridge and head therefor175US 4,735,716 ACuno Corporated · 1988
- Quick-change filter cartridge and head therefor130US 4,877,521 ACuno Incorporated · 1989
- Computer controlled method of operating a swimming pool filtration system85US 5,804,080 A1998
- Apparatus for operating a filter arrangement78US 5,628,896 AKlingenberger GmbH · 1997
- Filter media treatment of a fluid flow to remove colloidal matter43US 5,374,357 AD. W. Walker & Associates · 1994