A61M 5/31538
Permanent blocking
Official title: {Permanent blocking, e.g. by medical personnel}
A61M5/31538 (Permanent blocking) appears on 39 US grants and 53 published applications in this corpus.
Search patents in A61M- Granted patents
- 39
- Published applications
- 53
- Assignees
- 28
- Inventors
- 95
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 3 | 5 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 3 | 4 |
| 2018 | 1 | 7 |
| 2019 | 3 | 3 |
| 2020 | 3 | 2 |
| 2021 | 3 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 8 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drive mechanism for an injection device14 Apr 2026US 12,599,725 B2Sanofi
- Injection device with dose interruption fail safe18 Mar 2025US 12,251,539 B2Medmix Switzerland AG
- Injection device with dose interruption fail safe30 Apr 2024US 11,969,583 B2Medmix Switzerland AG
- Plunger sub-assembly for a prefilled medicament injector, a prefilled medicament injector and method for assembling a prefilled medical injector18 Apr 2023US 11,628,256 B2Novo Nordisk A/S
- Dispensing device30 Aug 2022US 11,426,526 B2Tata Elxsi Limited
- Set of a medicament delivery device and a cover25 Sep 2025US 2025/0295859 A1Medmix Switzerland AG
- Dose delivery mechanism and method for providing dose delivery mechanism25 Sep 2025US 2025/0295861 A1Medmix Switzerland AG
- Dose delivery mechanism18 Sep 2025US 2025/0288745 A1Medmix Switzerland AG
- Cartridge holding unit18 Sep 2025US 2025/0288746 A1Medmix Switzerland AG
- Dose delivery mechanism18 Sep 2025US 2025/0288750 A1Medmix Switzerland AG
Most cited
By later US patents
- One-way clutch mechanisms and injector devices404US 6,899,698 B22005
- Self administered injection pen apparatus and method398US 5,514,097 AGenentech, Inc. · 1996
- Pharmaceutical component-mixing delivery assembly332US 5,281,198 AHabley Medical Technology Corporation · 1994
- Injection device194US 5,591,136 AMedico Development Investment Company · 1997
- Reusable injection device for distributing a preselected dose182US 5,244,465 AByk Gulden Lomberg Chemische Fabrik GmbH · 1993