A61M 5/14593
The diaphragm being actuated by fluid pressure
Official title: {the diaphragm being actuated by fluid pressure}
A61M5/14593 (The diaphragm being actuated by fluid pressure) appears on 200 US grants and 230 published applications in this corpus.
Search patents in A61M- Granted patents
- 200
- Published applications
- 230
- Assignees
- 112
- Inventors
- 405
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 2 |
| 2003 | 5 | 6 |
| 2004 | 3 | 2 |
| 2005 | 4 | 4 |
| 2006 | 2 | 8 |
| 2007 | 1 | 5 |
| 2008 | 3 | 11 |
| 2009 | 3 | 12 |
| 2010 | 5 | 9 |
| 2011 | 7 | 25 |
| 2012 | 10 | 11 |
| 2013 | 6 | 9 |
| 2014 | 11 | 27 |
| 2015 | 17 | 11 |
| 2016 | 10 | 11 |
| 2017 | 12 | 12 |
| 2018 | 14 | 9 |
| 2019 | 11 | 13 |
| 2020 | 11 | 14 |
| 2021 | 4 | 6 |
| 2022 | 8 | 9 |
| 2023 | 9 | 7 |
| 2024 | 7 | 4 |
| 2025 | 3 | 3 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Pressure relief valve for drug delivery device7 Apr 2026US 12,594,378 B2Amgen Inc.
- Wearable drug delivery device24 Mar 2026US 12,582,766 B1Fresenius Kabi Deutschland GmbH
- Syringe rolling apparatus and method13 Jan 2026US 12,521,483 B2Bayer HealthCare LLC
- An Extended Duration Infusion System25 Dec 2025US 2025/0387564 A1University of Galway
- Perfusion for treatment of medical conditions4 Dec 2025US 2025/0367353 A1
- Medical pump with flow control13 Mar 2025US 2025/0082851 A1Quasuras, Inc.
- Implantable continuous-flow pumps1 Aug 2024US 2024/0252743 A1MiniPumps, LLC
- Medication bladder for medication storage25 Jul 2024US 2024/0245855 A1
Most cited
By later US patents
- Subcutaneous drug delivery device with improved filling system1,081US 6,186,982 B1Elan Corporation, plc · 2001
- Intradermal drug delivery device and method for intradermal delivery of drugs978US 5,527,288 AElan Medical Technologies Limited · 1996
- Intradermal drug delivery device835US 5,997,501 AElan Corporation, plc · 1999
- Portable injection appliance820US 4,886,499 AHoffmann-La Roche Inc. · 1989
- Intradermal drug delivery device and method for intradermal delivery of drugs690US 5,848,991 AElan Medical Technologies Limited Athlone, Co. · 1998