A61M 2005/3101
Leak prevention means for proximal end of syringes, i.e. syringe end opposite
Official title: {Leak prevention means for proximal end of syringes, i.e. syringe end opposite to needle mounting end}
A61M2005/3101 (Leak prevention means for proximal end of syringes, i.e. syringe end opposite) appears on 86 US grants and 60 published applications in this corpus.
Search patents in A61M- Granted patents
- 86
- Published applications
- 60
- Assignees
- 44
- Inventors
- 136
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 5 |
| 2017 | 1 | 4 |
| 2018 | 1 | 8 |
| 2019 | 8 | 4 |
| 2020 | 4 | 3 |
| 2021 | 4 | 6 |
| 2022 | 2 | 6 |
| 2023 | 4 | 1 |
| 2024 | 6 | 1 |
| 2025 | 0 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-piece closure assembly18 Aug 2026US 12,708,723 B1Medical Device Engineering, LLC.
- Components of a fluid transfer apparatus12 May 2026US 12,622,846 B2Equashield Medical Ltd.
- Syringe and gasket systems31 Dec 2024US 12,179,002 B2Sio2 Medical Products, Inc.
- Medical delivery device with laminated stopper17 Sep 2024US 12,090,305 B2W. L. Gore & Associates, Inc.
- Medical delivery device with laminated stopper10 Sep 2024US 12,083,322 B2W. L. Gore & Associates, Inc.
- Plunger rod and plunger rod adapter for pistons20 Aug 2026US 2026/0241108 A1West Pharmaceutical Services, Inc.
- Piston assembly and method for operating a piston assembly23 Jul 2026US 2026/0207850 A1
- Method for Determining a Displacement of a Stopper of a Pre-Filled Medical Container During Thermal and/or Pressure Variations23 Jul 2026US 2026/0210927 A1Becton Dickinson France
- Syringe and gasket systems15 May 2025US 2025/0152833 A1Sio2 Medical Products, Inc.
- Components of a fluid transfer apparatus9 Jan 2025US 2025/0009602 A1Equashield Medical Ltd.
Most cited
By later US patents
- Needle guard and needle assembly for syringe603US 5,360,404 AInviro Medical Devices Ltd. · 1994
- Pre-filled syringe drug delivery system224US 5,785,682 AAbbott Laboratories · 1998
- Self retracting medical needle apparatus and methods190US 5,616,135 ASpecialized Health Products, Inc. · 1997
- Self-retracting medical needle apparatus and methods175US 6,024,727 A2000
- Medical needle safety apparatus and methods172US 5,980,488 ASpecialized Health Products, Inc. · 1999