A61M 2005/3132
Having flow passages for injection agents at the distal end of the
Official title: {having flow passages for injection agents at the distal end of the barrel to bypass a sealing stopper after its displacement to this end due to internal pressure increase}
A61M2005/3132 (Having flow passages for injection agents at the distal end of the) appears on 189 US grants and 200 published applications in this corpus.
Search patents in A61M- Granted patents
- 189
- Published applications
- 200
- Assignees
- 106
- Inventors
- 337
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 4 |
| 2002 | 4 | 6 |
| 2003 | 5 | 4 |
| 2004 | 5 | 7 |
| 2005 | 4 | 4 |
| 2006 | 1 | 7 |
| 2007 | 1 | 10 |
| 2008 | 1 | 7 |
| 2009 | 8 | 6 |
| 2010 | 5 | 12 |
| 2011 | 5 | 8 |
| 2012 | 10 | 6 |
| 2013 | 9 | 4 |
| 2014 | 5 | 9 |
| 2015 | 4 | 9 |
| 2016 | 2 | 6 |
| 2017 | 5 | 8 |
| 2018 | 5 | 12 |
| 2019 | 9 | 11 |
| 2020 | 8 | 16 |
| 2021 | 3 | 8 |
| 2022 | 11 | 8 |
| 2023 | 7 | 11 |
| 2024 | 6 | 11 |
| 2025 | 3 | 4 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Two-chamber type combined container-syringe19 Mar 2026US 2026/0076874 A1Daewoong Pharmaceutical Co., Ltd.
- Device for making a bypass channel in syringe preforms and method for making a bypass channel in syringe preforms25 Dec 2025US 2025/0387967 A1Stevanato Group S.P.A.
- Multi-Chamber Syringe for Sequential Delivery of Fluids and Methods of Use24 Jul 2025US 2025/0235615 A1Becton, Dickinson and Company
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Most cited
By later US patents
- Pre-filled ampule and non-invasive hypodermic injection device assembly693US 4,941,880 ABioject, Inc. · 1990
- Non-invasive hypodermic injection device685US 4,790,824 ABioject, Inc. · 1988
- Patient-fillable and non-invasive hypodermic injection device assembly381US 4,940,460 ABioject, Inc. · 1990
- Pre-filled drug-delivery device and method of manufacture and assembly of same329US 6,500,150 B1Elan Pharma International Limited · 2002
- Automatic injector243US 4,822,340 ADuphar International Research B.V. · 1989