A61M 5/31531
Microsyringes
Official title: {Microsyringes, e.g. having piston bore diameter close or equal to needle shaft diameter}
A61M5/31531 (Microsyringes) appears on 75 US grants and 77 published applications in this corpus.
Search patents in A61M- Granted patents
- 75
- Published applications
- 77
- Assignees
- 58
- Inventors
- 174
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 0 |
| 2004 | 1 | 3 |
| 2005 | 3 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 5 |
| 2016 | 2 | 0 |
| 2017 | 0 | 5 |
| 2018 | 1 | 5 |
| 2019 | 7 | 7 |
| 2020 | 1 | 4 |
| 2021 | 3 | 5 |
| 2022 | 5 | 8 |
| 2023 | 4 | 4 |
| 2024 | 7 | 9 |
| 2025 | 3 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Syringe and kit for administering predetermined specific epinephrine doses31 Mar 2026US 12,589,210 B2
- System and method for microdose injection24 Feb 2026US 12,558,488 B2Credence Medsystems, Inc.
- System and method for safety syringe20 Jan 2026US 12,527,922 B2Credence Medsystems, Inc.
- Microdosing15 Jul 2025US 12,357,748 B2Hoffmann-La Roche Inc.
- Cell delivery system and methods of operation thereof15 Jul 2025US 12,357,761 B2SanBio, Inc.
- Formulations for the Suprachoroidal Space of an Eye and Methods24 Sep 2026US 2026/0284200 A1Emory University
- Mini syringe driver30 Jul 2026US 2026/0216442 A1Sensorion
- Cell delivery system and methods of operation thereof12 Mar 2026US 2026/0069790 A1SanBio, Inc.
- On-body interlock for drug delivery device4 Dec 2025US 2025/0367388 A1Insulet Corporation
- Syringe assembly with marking on plunger for dosing24 Jul 2025US 2025/0235622 A1Sjj Solutions B.V.
Most cited
By later US patents
- Non-deforming deflectable multi-lumen catheter327US 6,554,794 B12003
- Apparatus for delivering a substance having one or more needles driven at high velocity292US 6,890,319 B1Imprint Pharmaceuticals Ltd. · 2005
- Drug delivery module201US 6,309,375 B1MicroHeart, Inc. · 2001
- Drug delivery module190US 6,183,444 B2MicroHeart, Inc. · 2001
- Manual dispensing aid for a syringe172US 5,611,784 AHamilton Company · 1997