A61M 5/504
For blocking the fluid passageway
Official title: {for blocking the fluid passageway}
A61M5/504 (For blocking the fluid passageway) appears on 34 US grants and 33 published applications in this corpus.
Search patents in A61M- Granted patents
- 34
- Published applications
- 33
- Assignees
- 23
- Inventors
- 105
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 5 |
| 2015 | 0 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Syringe with suction-based automatic disabling14 Apr 2026US 12,599,727 B2Becton, Dickinson and Company
- Systems and methods related to syringes28 May 2024US 11,992,669 B2
- Micropump10 Oct 2023US 11,779,699 B2Lynntech, Inc.
- Medical injection device15 Nov 2022US 11,497,861 B2B. Braun Melsungen AG
- Drug delivery device with retaining member8 Jun 2021US 11,027,069 B2Warsaw Orthopedic, Inc.
- Systems and methods related to syringes26 Dec 2024US 2024/0424227 A1Plas-Tech Engineering, Inc.
- Syringe with Suction-Based Automatic Disabling2 May 2024US 2024/0139437 A1Becton, Dickinson and Company
- Micropump18 Jan 2024US 2024/0017002 A1Lynntech, Inc.
- Micropump23 Jun 2022US 2022/0193329 A2Lynntech, Inc.
- Device for preventing needle reuse and injury, syringe, and method14 Apr 2022US 2022/0111155 A1Intact Pur-Needle LLC
Most cited
By later US patents
- Single-use, self-annulling injection syringe141US 4,781,683 AThe Johns Hopkins University · 1988
- Syringe needle isolation device96US 5,893,842 ABecton, Dickinson and Company · 1999
- Anti-drug abuse single-use syringe77US 4,233,975 A1980
- Non-reusable hypodermic syringe75US 5,254,093 AMedical Appliances, Inc. · 1993
- Single use syringes74US 5,527,284 A1996