A61J 1/2044
Having slits
Official title: {having slits}
A61J1/2044 (Having slits) appears on 123 US grants and 92 published applications in this corpus.
Search patents in A61J- Granted patents
- 123
- Published applications
- 92
- Assignees
- 66
- Inventors
- 148
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 1 | 7 |
| 2003 | 5 | 2 |
| 2004 | 4 | 2 |
| 2005 | 2 | 6 |
| 2006 | 3 | 6 |
| 2007 | 2 | 3 |
| 2008 | 2 | 6 |
| 2009 | 0 | 1 |
| 2010 | 5 | 11 |
| 2011 | 2 | 2 |
| 2012 | 5 | 5 |
| 2013 | 6 | 2 |
| 2014 | 4 | 3 |
| 2015 | 3 | 3 |
| 2016 | 2 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 7 |
| 2019 | 2 | 4 |
| 2020 | 7 | 3 |
| 2021 | 5 | 1 |
| 2022 | 3 | 5 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 5 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid transfer devices for use with intravenous (IV) bottles30 Sep 2025US 12,427,091 B2West Pharma. Services IL, Ltd.
- Intravenous fluid bag with an integrated valve having a seal with a compressed state that permits fluid flow into the bag and a relaxed state preventing fluid flow12 Aug 2025US 12,383,464 B2Parasol Medical, LLC
- Closed system stress resistant membrane6 May 2025US 12,290,491 B2Becton, Dickinson and Company
- Devices and methods for needleless and needled extraction of contents from vials4 Feb 2025US 12,213,945 B2Klim-Loc, LLC
- Methods and devices for fracturing a hydrogel prior to delivery through a needle28 Jan 2025US 12,208,249 B2Advanced Aesthetic Technologies, Inc.
- Connector with hermetic closure, which can be opened by pressure and is automatically reclosable with improved manoeuvrability16 Jul 2026US 2026/0199188 A1Paolo Gobbi Frattini S.R.L.
- Spikeless and needleless couplings for liquid containers28 May 2026US 2026/0144711 A1Klim-Loc Medical, Inc.
- Devices And Methods For Needleless And Needled Extraction Of Contents From Vials14 May 2026US 2026/0130827 A1Klim-Loc Medical, Inc.
- Closed System Stress Resistant Membrane17 Jul 2025US 2025/0228743 A1Becton, Dickinson and Company
- Methods and devices for fracturing a hydrogel prior to delivery through a needle8 May 2025US 2025/0144313 A1Advanced Aesthetic Technologies, Inc.
Most cited
By later US patents
- Medical injection system and method, gas spring thereof and launching device using gas spring488US 5,599,302 AMedi-Ject Corporation · 1997
- Pre-slit injection site407US 5,100,394 ABaxter International Inc. · 1992
- Luer-receiving medical valve and fluid transfer method399US 5,549,651 A1996
- Medical adapter having needleless valve and sharpened cannula353US 5,839,715 AAlaris Medical Systems, Inc. · 1998
- Vial access adapter337US 6,139,534 ABracco Diagnostics Inc. · 2000