A61M 5/2046
Media being expelled from injector by gas generation
Official title: {Media being expelled from injector by gas generation, e.g. explosive charge}
A61M5/2046 (Media being expelled from injector by gas generation) appears on 301 US grants and 407 published applications in this corpus.
Search patents in A61M- Granted patents
- 301
- Published applications
- 407
- Assignees
- 121
- Inventors
- 538
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 3 |
| 2002 | 7 | 13 |
| 2003 | 7 | 10 |
| 2004 | 9 | 12 |
| 2005 | 6 | 4 |
| 2006 | 2 | 4 |
| 2007 | 4 | 10 |
| 2008 | 6 | 10 |
| 2009 | 4 | 4 |
| 2010 | 7 | 14 |
| 2011 | 7 | 9 |
| 2012 | 11 | 11 |
| 2013 | 11 | 12 |
| 2014 | 10 | 17 |
| 2015 | 15 | 17 |
| 2016 | 11 | 24 |
| 2017 | 12 | 24 |
| 2018 | 14 | 33 |
| 2019 | 19 | 26 |
| 2020 | 28 | 23 |
| 2021 | 14 | 29 |
| 2022 | 10 | 27 |
| 2023 | 15 | 19 |
| 2024 | 19 | 23 |
| 2025 | 15 | 18 |
| 2026 | 16 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Injector25 Aug 2026US 12,714,791 B2Daicel Corporation
- Multistage gas-actuated drug supply device and method thereof25 Aug 2026US 12,714,792 B2MicroMED Co., Ltd.
- Gas powered auto-injectors and methods for use25 Aug 2026US 12,714,793 B2Altaviz, LLC
- Gene gun25 Aug 2026US 12,714,795 B2Daicel Corporation
- Jet injection system25 Aug 2026US 12,715,212 B2Universiteit Twente
- Auto-injectors for administration of a medicament within a prefilled syringe24 Sep 2026US 2026/0284313 A1kaleo, Inc.
- Syringe shock absorber for use in an injection device27 Aug 2026US 2026/0249021 A1Antares Pharma, Inc.
- Medical Fluid Injection and Transfer Devices and Method30 Apr 2026US 2026/0115100 A1Enable Injections, Inc.
- Needleless injector23 Apr 2026US 2026/0108677 A1Daicel Corporation
- Needleless syringe9 Apr 2026US 2026/0097168 A1Mitaka Hdgs Co., Ltd.
Most cited
By later US patents
- Drug delivery systems and methods719US 6,645,181 B1Elan Pharma International Limited · 2003
- Drug delivery device463US 6,595,956 B12003
- Pre-filled injection delivery device390US 6,099,504 AElan Corporation, plc · 2000
- Multipathway electronically-controlled drug delivery system329US 5,860,957 ASarcos Corp. · 1999
- Pre-filled drug-delivery device and method of manufacture and assembly of same329US 6,500,150 B1Elan Pharma International Limited · 2002