A61M 5/2459
Upon internal pressure increase
Official title: {upon internal pressure increase, e.g. pierced or burst (A61M5/2429 takes precedence)}
A61M5/2459 (Upon internal pressure increase) appears on 172 US grants and 248 published applications in this corpus.
Search patents in A61M- Granted patents
- 172
- Published applications
- 248
- Assignees
- 98
- Inventors
- 384
- Latest grant
- 22 Sep 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 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 5 |
| 2003 | 1 | 2 |
| 2004 | 4 | 5 |
| 2005 | 1 | 2 |
| 2006 | 3 | 11 |
| 2007 | 2 | 3 |
| 2008 | 1 | 5 |
| 2009 | 3 | 8 |
| 2010 | 9 | 11 |
| 2011 | 10 | 7 |
| 2012 | 7 | 7 |
| 2013 | 6 | 11 |
| 2014 | 9 | 9 |
| 2015 | 5 | 10 |
| 2016 | 4 | 8 |
| 2017 | 7 | 16 |
| 2018 | 6 | 19 |
| 2019 | 12 | 19 |
| 2020 | 8 | 17 |
| 2021 | 8 | 12 |
| 2022 | 15 | 16 |
| 2023 | 12 | 13 |
| 2024 | 6 | 7 |
| 2025 | 7 | 14 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Connection structure and liquid medicine administration tool22 Sep 2026US 12,741,097 B2Terumo Kabushiki Kaisha
- Dual chamber syringe for administering a hormone encapsulated by a hydrogel25 Aug 2026US 12,714,677 B2Vitalte Lifesciences Inc.
- Drug injection apparatus, systems and methods25 Aug 2026US 12,714,788 B2SOLUtion Medical, Inc.
- Method of administering a hormone encapsulated by a hydrogel with a dual chamber syringe18 Aug 2026US 12,708,605 B2Vitalte Lifesciences Inc.
- Process for delivery of viscous drug therapies28 Apr 2026US 12,611,505 B2Battelle Memorial Institute
- Autonomous dose injection20 Aug 2026US 2026/0241109 A1Bigfoot Biomedical, Inc.
- Carpule having collapsible chamber and use thereof13 Aug 2026US 2026/0232909 A1Pharmaphdii, LLC
- Method and apparatus to reduce the cubic volume in cartridges and carpules11 Jun 2026US 2026/0158223 A1
- Aseptic piercing system and method7 May 2026US 2026/0124115 A1Regeneron Pharmaceuticals, Inc.
- User-triggered reconstitution administration device16 Apr 2026US 2026/0102568 A1Aktivax, Inc.
Most cited
By later US patents
- Safety syringe for mixing two-component medicaments297US 5,360,410 ASenetek PLC · 1994
- Devices, systems and methods for medicament delivery208US 7,648,483 B2Intelliject, Inc. · 2010
- Two-chamber mixing syringe204US 3,946,732 AAmpoules, Inc. · 1976
- Single-use needle-less hypodermic jet injection apparatus and method201US 6,264,629 B1Bioject, Inc. · 2001
- Automatic injector171US 7,449,012 B2Meridian Medical Technologies, Inc. · 2008