A61M 5/3129
Syringe barrels
Official title: {Syringe barrels (A61M5/3205, A61M5/50 take precedence)}
A61M5/3129 (Syringe barrels) appears on 2,644 US grants and 3,488 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,644
- Published applications
- 3,488
- Assignees
- 1,037
- Inventors
- 4,742
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 17 | 0 |
| 1993 | 14 | 0 |
| 1994 | 33 | 0 |
| 1995 | 28 | 0 |
| 1996 | 24 | 0 |
| 1997 | 30 | 0 |
| 1998 | 41 | 0 |
| 1999 | 33 | 0 |
| 2000 | 27 | 0 |
| 2001 | 33 | 15 |
| 2002 | 37 | 47 |
| 2003 | 48 | 40 |
| 2004 | 29 | 64 |
| 2005 | 18 | 54 |
| 2006 | 27 | 51 |
| 2007 | 19 | 83 |
| 2008 | 16 | 87 |
| 2009 | 25 | 88 |
| 2010 | 52 | 95 |
| 2011 | 52 | 115 |
| 2012 | 56 | 122 |
| 2013 | 91 | 150 |
| 2014 | 88 | 146 |
| 2015 | 96 | 188 |
| 2016 | 116 | 197 |
| 2017 | 136 | 184 |
| 2018 | 131 | 197 |
| 2019 | 174 | 209 |
| 2020 | 161 | 237 |
| 2021 | 166 | 219 |
| 2022 | 170 | 197 |
| 2023 | 151 | 212 |
| 2024 | 145 | 217 |
| 2025 | 137 | 158 |
| 2026 | 113 | 116 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 5/3137With finger grip means680
- A61M 5/3134Characterised by constructional features of the distal end, i.e. end closest to612
- A61M 5/3135Characterised by constructional features of the proximal end270
- A61M 2005/3131Specially adapted for improving sealing or slidingIndexing code265
- A61M 2005/3142Modular constructionsIndexing code193
- A61M 2005/3132Having flow passages for injection agents at the distal end of theIndexing code189
- A61M 2005/314Flat shaped barrel formsIndexing code52
Recent patents
- Ketamine formulation6 Oct 2026US 12,751,918 B2Fresenius Kabi USA, LLC
- Formulations, methods, and pre-filled multi-dose injection devices without cloud point29 Sep 2026US 12,746,340 B2W. L. Gore & Associates, Inc.
- Delivery devices for administering drugs29 Sep 2026US 12,746,343 B2Amgen Inc.
- Reuse prevention flush syringe22 Sep 2026US 12,741,104 B2Becton, Dickinson and Company
- Ball joint-style, non-fixed coupling between a pusher plate and plunger in a syringe barrel15 Sep 2026US 12,734,292 B2Becton, Dickinson and Company
- Multimode nasal medication injector and methods related thereto8 Oct 2026US 2026/0306765 A1Flxion Medical, Inc.
- Autoinjector with a signaling device1 Oct 2026US 2026/0295165 A1Ypsomed AG
- Readable Syringe for Dosage Verification System1 Oct 2026US 2026/0295167 A1Retractable Technologies, Inc.
- Readable Syringe for Dosage Verification System1 Oct 2026US 2026/0295168 A1Retractable Technologies, Inc.
- Finger grip1 Oct 2026US 2026/0295169 A1Terumo Europe N.V.
Most cited
By later US patents
- Interchangeable tools for surgical instruments2,056US 8,758,391 B2Ethicon Endo-Surgery, Inc. · 2014
- Medication delivery device with a microprocessor and characteristic monitor1,907US 5,925,021 AVisionary Medical Products, Inc. · 1999
- Coupling for injection devices1,183US 8,574,199 B2Novo Nordisk A/S · 2013
- Shear-sensitive injectable delivery system1,099US 6,699,214 B2SciMed Life Systems, Inc. · 2004
- Medication delivery device with a microprocessor and characteristic monitor841US 5,593,390 AVisionary Medical Products, Inc. · 1997