B01D 37/025
Additives incorporated in the filter
Official title: {additives incorporated in the filter}
B01D37/025 (Additives incorporated in the filter) appears on 182 US grants and 178 published applications in this corpus.
Search patents in B01D- Granted patents
- 182
- Published applications
- 178
- Assignees
- 108
- Inventors
- 379
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 11 |
| 2003 | 4 | 7 |
| 2004 | 5 | 7 |
| 2005 | 9 | 17 |
| 2006 | 9 | 5 |
| 2007 | 7 | 9 |
| 2008 | 6 | 13 |
| 2009 | 7 | 11 |
| 2010 | 3 | 3 |
| 2011 | 6 | 9 |
| 2012 | 6 | 9 |
| 2013 | 3 | 8 |
| 2014 | 10 | 9 |
| 2015 | 5 | 6 |
| 2016 | 3 | 7 |
| 2017 | 4 | 2 |
| 2018 | 7 | 8 |
| 2019 | 4 | 7 |
| 2020 | 5 | 3 |
| 2021 | 5 | 7 |
| 2022 | 3 | 4 |
| 2023 | 7 | 6 |
| 2024 | 3 | 5 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter assembly, kit and methods23 Sep 2025US 12,420,234 B2Nature Metrics Ltd.
- Filter device having multiple changeable filter surfaces15 Apr 2025US 12,274,966 B2International Business Machines Corporation
- Electronic filter detection feature for liquid filtration systems21 Jan 2025US 12,203,432 B2Cummins Filtration IP, Inc.
- Reduction of leachable beta-glucan levels from cellulose-containing filter materials6 Aug 2024US 12,053,729 B2EMD Millipore Corporation
- Mineralization cartridge and method for the operation thereof25 Jun 2024US 12,017,936 B2Aquis Wasser-Luft-Systeme GmbH, Lindau Zweigniederlassung Rebstein
- Filtration system with additive5 Mar 2026US 2026/0061351 A1Cummins Filtration Inc.
- Pressure sensitive passive laundry microplastic filtration19 Jun 2025US 2025/0198075 A1Whirlpool Corporation
- Electronic filter detection feature for liquid filtration systems10 Apr 2025US 2025/0116248 A1Cummins Filtration IP, Inc.
- Zeolite and interferon coated disposable particulate respirator and air filtration media14 Nov 2024US 2024/0375031 A1
- Compositions Containing Rare Earth Oxides and Precious Metals for Biological Contaminant Removal5 Sep 2024US 2024/0292842 A1Neo Chemicals & Oxides, LLC
Most cited
By later US patents
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- Personal water filter bottle system161US 6,569,329 B1Innova Pure Water Inc. · 2003
- Masking elements for dissolving oil improving body in an oil filter146US 4,075,098 AMonroe Auto Equipment Company · 1978
- Oil filter with oil improving dissolving body139US 4,075,097 AMonroe Auto Equipment Company · 1978
- Recharge and filter assembly with replaceable cartridge131US 6,235,194 B1Parker-Hannifin Corporation · 2001