A61M 5/502
For blocking the piston
Official title: {for blocking the piston}
A61M5/502 (For blocking the piston) appears on 380 US grants and 319 published applications in this corpus.
Search patents in A61M- Granted patents
- 380
- Published applications
- 319
- Assignees
- 169
- Inventors
- 545
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 18 | 0 |
| 1994 | 4 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 4 |
| 2002 | 4 | 8 |
| 2003 | 18 | 11 |
| 2004 | 8 | 15 |
| 2005 | 6 | 12 |
| 2006 | 6 | 18 |
| 2007 | 7 | 13 |
| 2008 | 8 | 22 |
| 2009 | 9 | 18 |
| 2010 | 8 | 18 |
| 2011 | 18 | 15 |
| 2012 | 12 | 17 |
| 2013 | 12 | 11 |
| 2014 | 13 | 9 |
| 2015 | 11 | 18 |
| 2016 | 14 | 10 |
| 2017 | 11 | 10 |
| 2018 | 11 | 15 |
| 2019 | 12 | 16 |
| 2020 | 12 | 10 |
| 2021 | 9 | 9 |
| 2022 | 15 | 10 |
| 2023 | 6 | 12 |
| 2024 | 7 | 8 |
| 2025 | 4 | 4 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Relocation module and methods for surgical equipment4 Aug 2026US 12,697,266 B2Augustine Biomedical + Design, LLC
- Methods for delivering agents with pre-filled syringes to minimize intraocular inflammation9 Jun 2026US 12,649,031 B2Regeneron Pharmaceuticals, Inc.
- Single-use syringe with syringe lock19 May 2026US 12,629,476 B2Becton, Dickinson and Company
- Syringe with suction-based automatic disabling14 Apr 2026US 12,599,727 B2Becton, Dickinson and Company
- Drug delivery device24 Mar 2026US 12,582,780 B2Sanofi-Aventis Deutschland GmbH
- Methods for delivering agents with pre-filled syringes to minimize intraocular inflammation17 Sep 2026US 2026/0273192 A1Regeneron Pharmaceuticals, Inc.
- A lock component for a medicament delivery device9 Jul 2026US 2026/0192056 A1Shl Medical AG
- Method for treatment of eye disease using injection system9 Jul 2026US 2026/0192059 A1MeiraGTx Ocular UK Limited
- A sub-assembly for a medicament delivery device2 Jul 2026US 2026/0183488 A1Shl Medical AG
- Drug delivery devices and methods for precision delivery of injectable drugs28 May 2026US 2026/0144938 A1Congruence Medical Solutions, LLC
Most cited
By later US patents
- Hypodermic syringe with protective shield1,132US 5,222,945 A1993
- Cartridge-holder assembly for medication dispensing unit351US 4,936,833 AHypoguard (UK) Limited · 1990
- Measured dose dispensing device343US 4,865,591 AHypoguard (UK) Limited · 1989
- Reusable pharmaceutical dispenser with full stroke indicator235US 5,271,527 AHabley Medical Technology Corporation · 1993
- Retractable needle hypodermic syringe system233US 4,994,034 A1991