A61M 1/3486
Biological, chemical treatment
Official title: {Biological, chemical treatment, e.g. chemical precipitation; treatment by absorbents}
A61M1/3486 (Biological, chemical treatment) appears on 439 US grants and 552 published applications in this corpus.
Search patents in A61M- Granted patents
- 439
- Published applications
- 552
- Assignees
- 292
- Inventors
- 944
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 5 |
| 2002 | 11 | 11 |
| 2003 | 9 | 20 |
| 2004 | 8 | 22 |
| 2005 | 8 | 23 |
| 2006 | 6 | 11 |
| 2007 | 9 | 22 |
| 2008 | 7 | 19 |
| 2009 | 9 | 14 |
| 2010 | 8 | 21 |
| 2011 | 5 | 30 |
| 2012 | 9 | 25 |
| 2013 | 7 | 26 |
| 2014 | 15 | 27 |
| 2015 | 20 | 28 |
| 2016 | 18 | 21 |
| 2017 | 27 | 21 |
| 2018 | 17 | 17 |
| 2019 | 16 | 34 |
| 2020 | 16 | 24 |
| 2021 | 22 | 34 |
| 2022 | 19 | 29 |
| 2023 | 16 | 30 |
| 2024 | 18 | 15 |
| 2025 | 17 | 10 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for administering an anti cancer substance11 Aug 2026US 12,702,739 B1
- Plasmapheresis device7 Jul 2026US 12,673,146 B2Eliaz Therapeutic, Inc.
- Gas treatment delivery systems and methods30 Jun 2026US 12,667,634 B2ImmunoRes-Therapeutics, LLC
- Device for inline monitoring of free nucleosomes in blood26 May 2026US 12,636,417 B2Belgian Volition SRL
- Compounds, systems, and techniques for removal of peripheral amyloid beta peptide with albumin binding competitors12 May 2026US 12,623,013 B2Fresenius Medical Care Holdings, Inc.
- Devices and methods for removing cancer cells from bloodstream during cancer metastasis20 Aug 2026US 2026/0241089 A1Miracle Heart
- Compounds, systems, and techniques for removal of peripheral amyloid beta peptide with albumin binding competitors30 Jul 2026US 2026/0216415 A1Fresenius Medical Care Holdings, Inc.
- Method for Treating Ulcerative Colitis or Primary Sclerosing Cholangitis16 Jul 2026US 2026/0199576 A1Kyoto University
- Treatment of alzheimer's disease25 Jun 2026US 2026/0174945 A1
- System for removing protein bound uremic toxins during hemodialysis18 Jun 2026US 2026/0166211 A1University of Washington
Most cited
By later US patents
- Organ support system250US 5,368,555 AHepatix, Inc. · 1994
- Wearable, portable, light-weight artificial kidney233US 5,284,470 A1994
- High convection home hemodialysis/hemofiltration and sorbent system230US 8,029,454 B2Baxter Healthcare S. A. · 2011
- Hemofiltration systems, methods, and devices used to treat inflammatory mediator related disease205US 6,287,516 B1Immunocept, L.L.C. · 2001
- Blood processing system205US 6,695,803 B1Mission Medical, Inc. · 2004