A61L 2/022
Filtration
A61L2/022 (Filtration) appears on 319 US grants and 345 published applications in this corpus.
Search patents in A61L- Granted patents
- 319
- Published applications
- 345
- Assignees
- 239
- Inventors
- 813
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 6 | 12 |
| 2003 | 8 | 24 |
| 2004 | 7 | 34 |
| 2005 | 19 | 20 |
| 2006 | 15 | 13 |
| 2007 | 15 | 15 |
| 2008 | 3 | 9 |
| 2009 | 6 | 10 |
| 2010 | 4 | 13 |
| 2011 | 4 | 11 |
| 2012 | 8 | 9 |
| 2013 | 4 | 2 |
| 2014 | 8 | 4 |
| 2015 | 4 | 10 |
| 2016 | 6 | 7 |
| 2017 | 8 | 15 |
| 2018 | 9 | 11 |
| 2019 | 9 | 21 |
| 2020 | 12 | 17 |
| 2021 | 12 | 20 |
| 2022 | 10 | 14 |
| 2023 | 9 | 18 |
| 2024 | 9 | 9 |
| 2025 | 13 | 11 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for purifying liquid and system for the implementation thereof11 Aug 2026US 12,702,952 B2Electrophor, Inc.
- Light fixture with UV disinfection12 May 2026US 12,622,994 B2Apogee Lighting Holdings, LLC
- Peritoneal dialysate fluid generation system28 Apr 2026US 12,611,496 B2Mozarc Medical US LLC
- Metal working fluid decontamination apparatus21 Apr 2026US 12,605,474 B2
- Method and device for disinfecting and cleaning enclosed spaces in particular, such as a passenger compartment on a means of transport14 Apr 2026US 12,599,691 B2Prodose
- Modular multiplatform system for mrna drug production8 Oct 2026US 2026/0306407 A1BioNTech SE
- A composition of a ready to use ascorbic acid injection and a method thereof20 Aug 2026US 2026/0240808 A1Maiva Pharma Private Limited
- Metal working fluid decontamination apparatus6 Aug 2026US 2026/0224763 A1
- Purification system for biological materials comprising segregated purification sections30 Jul 2026US 2026/0217759 A1
- Method for Filtering Fibrinogen30 Jul 2026US 2026/0217792 A1Laboratoire Francais Du Fractionnement Et Des Biotechnologies
Most cited
By later US patents
- Automated peritoneal dialysis system and process with in-line sterilization of dialysate252US 6,758,975 B2Piedmont Renal Clinic, PA · 2004
- Nanofiber filter media194US 6,872,311 B2Koslow Technologies Corporation · 2005
- Method and system for producing sterile aqueous solutions193US 5,032,265 AMillipore Corporation · 1991
- Method and apparatus for preventing bacteriological contamination by a dental tool water line174US 5,204,004 A1993
- Synthesis of polysaccharide covered superparamagnetic oxide colloids143US 5,262,176 AAdvanced Magnetics, Inc. · 1993