A61M 1/3633
Blood component filters
Official title: {Blood component filters, e.g. leukocyte filters}
A61M1/3633 (Blood component filters) appears on 493 US grants and 524 published applications in this corpus.
Search patents in A61M- Granted patents
- 493
- Published applications
- 524
- Assignees
- 200
- Inventors
- 823
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 7 |
| 2002 | 7 | 18 |
| 2003 | 12 | 21 |
| 2004 | 13 | 32 |
| 2005 | 12 | 24 |
| 2006 | 15 | 38 |
| 2007 | 11 | 15 |
| 2008 | 14 | 15 |
| 2009 | 18 | 18 |
| 2010 | 25 | 22 |
| 2011 | 9 | 18 |
| 2012 | 10 | 20 |
| 2013 | 19 | 29 |
| 2014 | 16 | 16 |
| 2015 | 15 | 20 |
| 2016 | 19 | 31 |
| 2017 | 21 | 19 |
| 2018 | 17 | 16 |
| 2019 | 19 | 27 |
| 2020 | 22 | 25 |
| 2021 | 16 | 24 |
| 2022 | 22 | 18 |
| 2023 | 16 | 10 |
| 2024 | 14 | 14 |
| 2025 | 20 | 19 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Membrane separation devices, systems and methods employing same, and data management systems and methods18 Aug 2026US 12,708,702 B2Fenwal, Inc.
- System and method for more complete removal of separated blood components from a separator18 Aug 2026US 12,708,875 B2Fenwal, Inc.
- Unit for filtering leukocytes with reduced platelet adhesion7 Jul 2026US 12,673,147 B2Maco Pharma
- Treatment apparatus with gas separation device level controls and methods10 Feb 2026US 12,544,498 B2Gambro Lundia AB
- Systems, methods, and devices for removing circulating tumor cells from blood13 Jan 2026US 12,521,477 B2Onco Filtration, Inc.
- Devices and methods for removing cancer cells from bloodstream during cancer metastasis20 Aug 2026US 2026/0241089 A1Miracle Heart
- Inline manipulation of cells and cell clusters16 Jul 2026US 2026/0199575 A1Georgia Tech Research Corporation
- Filter device4 Jun 2026US 2026/0151547 A1Terumo Kabushiki Kaisha
- Filter device28 May 2026US 2026/0144918 A1Terumo Kabushiki Kaisha
- Filter device28 May 2026US 2026/0144919 A1Terumo Kabushiki Kaisha
Most cited
By later US patents
- Blood collection and processing system252US 5,100,564 APall Corporation · 1992
- Disposable balancing unit for balancing fluids, and related medical treatment device207US 5,836,908 AFresenius AG · 1998
- Blood processing system205US 6,695,803 B1Mission Medical, Inc. · 2004
- Device and method for depletion of the leukocyte content of blood and blood components203US 4,925,572 APall Corporation · 1990
- Apparatus for separating particles194US 5,674,173 ACobe Laboratories, Inc. · 1997