A61M 5/31536
Blocking means to immobilize a selected dose
Official title: {Blocking means to immobilize a selected dose, e.g. to administer equal doses}
A61M5/31536 (Blocking means to immobilize a selected dose) appears on 331 US grants and 428 published applications in this corpus.
Search patents in A61M- Granted patents
- 331
- Published applications
- 428
- Assignees
- 90
- Inventors
- 490
- Latest grant
- 22 Sep 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 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 6 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 5 |
| 2008 | 6 | 12 |
| 2009 | 0 | 11 |
| 2010 | 7 | 8 |
| 2011 | 7 | 8 |
| 2012 | 2 | 17 |
| 2013 | 14 | 18 |
| 2014 | 7 | 20 |
| 2015 | 17 | 19 |
| 2016 | 16 | 47 |
| 2017 | 35 | 37 |
| 2018 | 18 | 32 |
| 2019 | 38 | 32 |
| 2020 | 32 | 33 |
| 2021 | 23 | 21 |
| 2022 | 20 | 32 |
| 2023 | 22 | 20 |
| 2024 | 12 | 17 |
| 2025 | 20 | 14 |
| 2026 | 13 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Devices and methods for precision dose delivery22 Sep 2026US 12,741,098 B2Regeneron Pharmaceuticals, Inc.
- Devices and methods for precision dose delivery15 Sep 2026US 12,734,300 B2Regeneron Pharmaceuticals, Inc.
- Devices and methods for precision dose delivery28 Jul 2026US 12,691,227 B2Regeneron Pharmaceuticals, Inc.
- Medicament delivery device28 Jul 2026US 12,691,229 B1Genzyme Corporation
- Device for the dosed administration of a fluid product, adapted for the replacement of a container14 Jul 2026US 12,678,568 B2Ypsomed AG
- Medicament delivery system with dose divider8 Oct 2026US 2026/0306747 A1Sanofi Pasteur Limited
- Precise dosing syringe assembly1 Oct 2026US 2026/0295170 A1Pacto Medical Inc.
- A drug injection device24 Sep 2026US 2026/0284321 A1
- Actuator Assembly for Drug Delivery System10 Sep 2026US 2026/0263701 A1Becton, Dickinson and Company
- Drug delivery device and methods of delivering a drug13 Aug 2026US 2026/0232913 A1Amgen Inc.
Most cited
By later US patents
- Multiple dose injection pen552US 5,226,895 AEli Lilly and Company · 1993
- Medication delivery pen528US 6,277,099 B1Becton, Dickinson and Company · 2001
- Manifold medication injection apparatus and method434US 5,505,704 AEli Lilly and Company · 1996
- One-way clutch mechanisms and injector devices404US 6,899,698 B22005
- Self administered injection pen apparatus and method398US 5,514,097 AGenentech, Inc. · 1996