A61M 5/19
Having more than one chamber
Official title: having more than one chamber
A61M5/19 (Having more than one chamber) appears on 944 US grants and 1,400 published applications in this corpus.
Search patents in A61M- Granted patents
- 944
- Published applications
- 1,400
- Assignees
- 485
- Inventors
- 2,067
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 13 |
| 2003 | 11 | 5 |
| 2004 | 7 | 13 |
| 2005 | 6 | 11 |
| 2006 | 3 | 12 |
| 2007 | 2 | 30 |
| 2008 | 4 | 31 |
| 2009 | 5 | 20 |
| 2010 | 19 | 40 |
| 2011 | 18 | 33 |
| 2012 | 23 | 48 |
| 2013 | 41 | 71 |
| 2014 | 25 | 94 |
| 2015 | 43 | 77 |
| 2016 | 53 | 80 |
| 2017 | 53 | 100 |
| 2018 | 61 | 81 |
| 2019 | 81 | 85 |
| 2020 | 51 | 91 |
| 2021 | 56 | 89 |
| 2022 | 64 | 81 |
| 2023 | 58 | 96 |
| 2024 | 60 | 73 |
| 2025 | 50 | 68 |
| 2026 | 45 | 57 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of treating a child with central precocious puberty using an extended release composition6 Oct 2026US 12,751,990 B2Tolmar International Limited
- Implantable guide device29 Sep 2026US 12,746,089 B2Neurochase Technologies Limited
- Iodine labeled hydrogels and precursors thereof with improved radiopacity29 Sep 2026US 12,746,296 B2Boston Scientific Scimed, Inc.
- Multi-compartment syringe with pump mechanism29 Sep 2026US 12,746,333 B2Regents of the University of Minnesota
- Pharmaceutical formulations22 Sep 2026US 12,741,013 B2Novo Nordisk A/S
- Mixing syringe assemblies and methods24 Sep 2026US 2026/0284317 A1Clearstream Technologies Limited
- Mixing syringe assemblies and methods24 Sep 2026US 2026/0284318 A1Clearstream Technologies Limited
- System and method for safety syringe17 Sep 2026US 2026/0273188 A1Credence Medsystems, Inc.
- Drug delivery device fixture for testing system and methods17 Sep 2026US 2026/0273189 A1Regeneron Pharmaceuticals, Inc.
- Fluid Transfer Device and Method of Use Thereof for Caustic Medication Delivery27 Aug 2026US 2026/0249008 A1Becton, Dickinson and Company
Most cited
By later US patents
- Devices and methods for mixing and extruding medically useful compositions1,070US 7,135,027 B2Baxter Healthcare S. A. · 2006
- Medical apparatus for use by a patient for medical self treatment of diabetes793US 6,302,855 B1Novo Nordisk A/S · 2001
- Drug delivery systems and methods719US 6,645,181 B1Elan Pharma International Limited · 2003
- Manifold medication injection apparatus and method434US 5,505,704 AEli Lilly and Company · 1996
- Multi-cartridge medication injection device416US 5,584,815 AEli Lilly and Company · 1996