A61M 5/2422
Using emptying means to expel or eject media
Official title: {using emptying means to expel or eject media, e.g. pistons, deformation of the ampoule, or telescoping of the ampoule}
A61M5/2422 (Using emptying means to expel or eject media) appears on 414 US grants and 567 published applications in this corpus.
Search patents in A61M- Granted patents
- 414
- Published applications
- 567
- Assignees
- 218
- Inventors
- 987
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 13 |
| 2003 | 12 | 4 |
| 2004 | 4 | 12 |
| 2005 | 1 | 3 |
| 2006 | 3 | 6 |
| 2007 | 4 | 10 |
| 2008 | 3 | 4 |
| 2009 | 2 | 8 |
| 2010 | 5 | 20 |
| 2011 | 10 | 12 |
| 2012 | 6 | 14 |
| 2013 | 10 | 27 |
| 2014 | 12 | 15 |
| 2015 | 6 | 19 |
| 2016 | 13 | 14 |
| 2017 | 13 | 30 |
| 2018 | 20 | 36 |
| 2019 | 17 | 40 |
| 2020 | 20 | 32 |
| 2021 | 32 | 38 |
| 2022 | 30 | 46 |
| 2023 | 13 | 35 |
| 2024 | 25 | 48 |
| 2025 | 27 | 47 |
| 2026 | 21 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Support structure, medicament delivery device and method of assemblying29 Sep 2026US 12,746,336 B2Shl Medical AG
- Delivery device for a flexible liquid container15 Sep 2026US 12,734,296 B2Shl Medical AG
- Medicament delivery device15 Sep 2026US 12,734,297 B2Shl Medical AG
- Drug cartridge, drug injection device, and drug injection system15 Sep 2026US 12,734,298 B2Phc Holdings Corporation
- Dual chamber syringe for administering a hormone encapsulated by a hydrogel25 Aug 2026US 12,714,677 B2Vitalte Lifesciences Inc.
- Medicament delivery device and medicament delivery assembly8 Oct 2026US 2026/0306745 A1Shl Medical AG
- Medication delivery device with needle carrier8 Oct 2026US 2026/0306746 A1Eli Lilly and Company
- Mechanism for an automatic medicament delivery device24 Sep 2026US 2026/0284309 A1Medmix Switzerland AG
- An apparatus for subcutaneous delivery of a medicament24 Sep 2026US 2026/0284315 A1Shl Medical AG
- Medicament container support assembly24 Sep 2026US 2026/0284316 A1Shl Medical AG
Most cited
By later US patents
- Drug delivery systems and methods719US 6,645,181 B1Elan Pharma International Limited · 2003
- Multipathway electronically-controlled drug delivery system329US 5,860,957 ASarcos Corp. · 1999
- Disposable injector device307US 6,102,896 ACambridge Biostability Limited · 2000
- Disposable fluid injection module299US 6,045,534 ASarcos Corp. · 2000
- Selected dose pharmaceutical dispenser231US 5,378,233 AHabley Medical Technology Corporation · 1995