A61N 1/0448
Drug reservoir
Official title: {Drug reservoir}
A61N1/0448 (Drug reservoir) appears on 416 US grants and 409 published applications in this corpus.
Search patents in A61N- Granted patents
- 416
- Published applications
- 409
- Assignees
- 187
- Inventors
- 658
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 11 | 0 |
| 1994 | 18 | 0 |
| 1995 | 16 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 13 | 0 |
| 1999 | 21 | 0 |
| 2000 | 11 | 0 |
| 2001 | 16 | 4 |
| 2002 | 9 | 14 |
| 2003 | 12 | 19 |
| 2004 | 10 | 11 |
| 2005 | 9 | 25 |
| 2006 | 16 | 19 |
| 2007 | 6 | 44 |
| 2008 | 1 | 28 |
| 2009 | 9 | 27 |
| 2010 | 8 | 17 |
| 2011 | 7 | 22 |
| 2012 | 14 | 13 |
| 2013 | 8 | 7 |
| 2014 | 15 | 12 |
| 2015 | 12 | 13 |
| 2016 | 7 | 15 |
| 2017 | 12 | 11 |
| 2018 | 9 | 20 |
| 2019 | 9 | 13 |
| 2020 | 12 | 18 |
| 2021 | 11 | 15 |
| 2022 | 13 | 10 |
| 2023 | 9 | 12 |
| 2024 | 6 | 7 |
| 2025 | 2 | 6 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mixed ionic electronic conductors: devices, systems and methods of use25 Aug 2026US 12,714,849 B2Battelle Memorial Institute
- Localised transdermal iontophoretic drug delivery system26 May 2026US 12,636,486 B2Shanghai Jingxun Infotech Co., Ltd.
- Device, system and method for treating a corneal tissue10 Mar 2026US 12,569,672 B2Vision Engineering Italy Srl
- Implantable reservoir for use with a medical device and system for interventional drug delivery17 Feb 2026US 12,551,691 B2Continuity Biosciences, LLC
- Achieving uniform patterned drug release via at least one embedded microchannel in an ophthalmic device30 Dec 2025US 12,508,156 B2Verily Life Sciences LLC
- Iontophoresis pharmaceutical delivery system8 Oct 2026US 2026/0306827 A1Remagine Labs, Inc.
- Diffusion promotion device and ion introduction system10 Sep 2026US 2026/0263787 A1Cysay Inc.
- Implantable reservoir for use with a medical device and system for interventional drug delivery25 Jun 2026US 2026/0175012 A1Continuity Biosciences, LLC
- Microcurrent ion patch including an electrochromic unit14 May 2026US 2026/0131137 A1Seoul National University R&Db Foundation
- Iontophoresis device22 Jan 2026US 2026/0021296 A1Kaneka Corporation
Most cited
By later US patents
- Transdermal administration method of protein or peptide drug and its administration device thereof329US 5,250,023 AKorean Research Institute on Chemical Technology · 1993
- Electrodes, electrode assemblies, methods, and systems for tissue stimulation and transdermal delivery of pharmacologically active ligands279US 4,702,732 ATrustees of Boston University · 1987
- Iontotherapeutic device and process and iontotherapeutic unit dose220US 5,042,975 ARutgers, The State University of New Jersey · 1991
- Cell for electrically controlled transdermal drug delivery191US 4,731,049 AIonics, Incorporated · 1988
- Mounting system for transdermal drug applicator187US 5,224,928 ADrug Delivery Systems Inc. · 1993