A61M 1/3687
Chemical treatment
Official title: {Chemical treatment (A61M1/3675 takes precedence)}
A61M1/3687 (Chemical treatment) appears on 344 US grants and 433 published applications in this corpus.
Search patents in A61M- Granted patents
- 344
- Published applications
- 433
- Assignees
- 225
- Inventors
- 755
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 4 |
| 2002 | 4 | 14 |
| 2003 | 6 | 10 |
| 2004 | 11 | 7 |
| 2005 | 3 | 26 |
| 2006 | 5 | 9 |
| 2007 | 3 | 4 |
| 2008 | 4 | 11 |
| 2009 | 8 | 9 |
| 2010 | 4 | 19 |
| 2011 | 6 | 16 |
| 2012 | 8 | 22 |
| 2013 | 13 | 23 |
| 2014 | 8 | 13 |
| 2015 | 11 | 21 |
| 2016 | 16 | 24 |
| 2017 | 18 | 14 |
| 2018 | 16 | 20 |
| 2019 | 11 | 27 |
| 2020 | 12 | 24 |
| 2021 | 17 | 20 |
| 2022 | 20 | 31 |
| 2023 | 11 | 24 |
| 2024 | 17 | 14 |
| 2025 | 14 | 13 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blood perfusion device to reduce secondary infection in hospital29 Sep 2026US 12,746,318 B2Seoul National University R&Db Foundation
- CSF diagnostics platform8 Sep 2026US 12,728,190 B2EnClear Therapies, Inc.
- Membrane separation devices, systems and methods employing same, and data management systems and methods18 Aug 2026US 12,708,702 B2Fenwal, Inc.
- Device and method for administering an anti cancer substance11 Aug 2026US 12,702,739 B1
- Gas treatment delivery systems and methods30 Jun 2026US 12,667,634 B2ImmunoRes-Therapeutics, LLC
- Method for removing uremic toxins from blood1 Oct 2026US 2026/0295137 A1Hospices Civils De Lyon
- Methods and device related to removal of cell-free plasma hemoglobin27 Aug 2026US 2026/0248992 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Device for treating an individual suffering from cardiac insufficiency, cardiac arrest, circulatory arrest or stroke6 Aug 2026US 2026/0224813 A1Resuscitec GmbH
- Extracorporeal blood purification device through removal of reactive oxygen species and extracorporeal blood purification method using same6 Aug 2026US 2026/0225077 A1Eternox Inc.
- Compounds, systems, and techniques for removal of peripheral amyloid beta peptide with albumin binding competitors30 Jul 2026US 2026/0216415 A1Fresenius Medical Care Holdings, Inc.
Most cited
By later US patents
- Dialysis material and method for removing uremic substances274US 4,581,141 APurdue Research Foundation · 1986
- Flow electroporation chamber and method176US 5,720,921 AEntreMed, Inc. · 1998
- Blood and tissue detoxification apparatus134US 3,994,799 A1976
- System, device, and method for mixing liquids129US 7,461,968 B2DEKA Products Limited Partnership · 2008
- Pump cassette bank123US 7,632,078 B2DEKA Products Limited Partnership · 2009