A61M 5/31
Details
A61M5/31 (Details) appears on 15,418 US grants and 17,934 published applications in this corpus.
Search patents in A61M- Granted patents
- 15,418
- Published applications
- 17,934
- Assignees
- 3,732
- Inventors
- 18,588
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 48 | 0 |
| 1977 | 45 | 0 |
| 1978 | 31 | 0 |
| 1979 | 22 | 0 |
| 1980 | 41 | 0 |
| 1981 | 33 | 0 |
| 1982 | 33 | 0 |
| 1983 | 38 | 0 |
| 1984 | 44 | 0 |
| 1985 | 39 | 0 |
| 1986 | 60 | 0 |
| 1987 | 73 | 0 |
| 1988 | 85 | 0 |
| 1989 | 152 | 0 |
| 1990 | 183 | 0 |
| 1991 | 193 | 0 |
| 1992 | 190 | 0 |
| 1993 | 213 | 0 |
| 1994 | 271 | 0 |
| 1995 | 191 | 0 |
| 1996 | 225 | 0 |
| 1997 | 204 | 0 |
| 1998 | 234 | 0 |
| 1999 | 249 | 0 |
| 2000 | 204 | 0 |
| 2001 | 216 | 99 |
| 2002 | 191 | 276 |
| 2003 | 282 | 349 |
| 2004 | 197 | 427 |
| 2005 | 156 | 371 |
| 2006 | 173 | 317 |
| 2007 | 127 | 483 |
| 2008 | 154 | 470 |
| 2009 | 168 | 509 |
| 2010 | 313 | 519 |
| 2011 | 307 | 534 |
| 2012 | 362 | 740 |
| 2013 | 459 | 811 |
| 2014 | 508 | 829 |
| 2015 | 545 | 851 |
| 2016 | 655 | 1008 |
| 2017 | 714 | 893 |
| 2018 | 670 | 1027 |
| 2019 | 938 | 1029 |
| 2020 | 881 | 1068 |
| 2021 | 801 | 1049 |
| 2022 | 803 | 927 |
| 2023 | 739 | 969 |
| 2024 | 704 | 1010 |
| 2025 | 759 | 822 |
| 2026 | 495 | 547 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 5/32Needles9,489
- A61M 5/315Pistons6,871
- A61M 5/3129Syringe barrels2,644
- A61M 2005/3125Display meansIndexing code1,151
- A61M 2005/3103Leak prevention means for distal end of syringes, i.e. syringe end forIndexing code1,103
- A61M 2005/3117Means preventing contamination of the medicament compartment of a syringeIndexing code660
- A61M 2005/3128Incorporating one-way valvesIndexing code529
- A61M 5/3146Priming452
All 16 subgroupsShow fewer
- A61M 2005/3123Having air entrapping or venting meansIndexing code317
- A61M 2005/3114Filling or refillingIndexing code248
- A61M 5/3148Means for causing or aiding aspiration or plunger retraction248
- A61M 5/3145Filters incorporated in syringes236
- A61M 2005/3143Damping means for syringe components executing relative movementsIndexing code128
- A61M 2005/3101Leak prevention means for proximal end of syringes, i.e. syringe end oppositeIndexing code86
- A61M 2005/3112Incorporating self-aspirating meansIndexing code53
- A61M 5/3147Syringe accessories0
Recent patents
- Ketamine formulation6 Oct 2026US 12,751,918 B2Fresenius Kabi USA, LLC
- Cannula and infusion devices6 Oct 2026US 12,752,052 B2Unomedical A/S
- Magnetic autoinjector6 Oct 2026US 12,752,056 B2
- Syringe assembly including pressurized sterile air6 Oct 2026US 12,752,057 B2
- Medicament delivery device6 Oct 2026US 12,752,058 B2Shl Medical AG
- Sterile Cover for Medical Devices and Methods Thereof8 Oct 2026US 2026/0305971 A1Bard Access Systems, Inc.
- A storage case for an electromechanical medicament delivery device8 Oct 2026US 2026/0306733 A1Shl Medical AG
- Drug delivery device8 Oct 2026US 2026/0306743 A1Sanofi
- Injection apparatus8 Oct 2026US 2026/0306744 A1Owen Mumford Limited
- Medication delivery device with needle carrier8 Oct 2026US 2026/0306746 A1Eli Lilly and Company
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
- Insertion device for an insertion set and method of using the same1,511US 6,293,925 B1MiniMed Inc. · 2001
- Catheter with stick protection1,381US 5,419,766 ACritikon, Inc. · 1995
- Applicator1,350US 5,951,516 AN. J. Phillips Pty. Limited · 1999