A61M 39/20
Closure caps or plugs for connectors or open ends of tubes
A61M39/20 (Closure caps or plugs for connectors or open ends of tubes) appears on 778 US grants and 1,063 published applications in this corpus.
Search patents in A61M- Granted patents
- 778
- Published applications
- 1,063
- Assignees
- 321
- Inventors
- 1,607
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 7 | 8 |
| 2003 | 4 | 11 |
| 2004 | 5 | 12 |
| 2005 | 5 | 11 |
| 2006 | 7 | 9 |
| 2007 | 5 | 17 |
| 2008 | 3 | 20 |
| 2009 | 5 | 20 |
| 2010 | 11 | 24 |
| 2011 | 15 | 33 |
| 2012 | 18 | 30 |
| 2013 | 26 | 45 |
| 2014 | 27 | 45 |
| 2015 | 30 | 35 |
| 2016 | 33 | 53 |
| 2017 | 36 | 52 |
| 2018 | 41 | 49 |
| 2019 | 52 | 71 |
| 2020 | 56 | 62 |
| 2021 | 48 | 97 |
| 2022 | 60 | 69 |
| 2023 | 57 | 82 |
| 2024 | 54 | 107 |
| 2025 | 61 | 58 |
| 2026 | 43 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Universal single-use cap for male and female connectors6 Oct 2026US 12,752,095 B2Becton, Dickinson and Company
- Two-section combination nasogastric tube15 Sep 2026US 12,734,114 B2
- Disinfecting cap8 Sep 2026US 12,728,253 B2Medline Industries, Inc.
- Disinfecting cap for needleless connectors with multi-part housing and automatic lock25 Aug 2026US 12,714,841 B2Becton, Dickinson and Company
- Drainage spigot guard18 Aug 2026US 12,708,739 B2Spigot Guard LLC
- Co-Molded Rigid Cap With Integrated RFID and Cap End Torque Transmission Feature8 Oct 2026US 2026/0306822 A1Becton Dickinson France
- Pre-primed giving set and compounding apparatus' and methods1 Oct 2026US 2026/0295179 A1Tessen Solutions Limited
- Disinfecting cap for male and female connectors17 Sep 2026US 2026/0273117 A1Becton, Dickinson and Company
- Priming cap10 Sep 2026US 2026/0263773 A1ICU Medical, Inc.
- Closure cap for the sterilization or filling of a medical article10 Sep 2026US 2026/0263774 A1Fresenius Medical Care Deutschland GmbH
Most cited
By later US patents
- Antibacterial closure1,300US 4,417,890 ABaxter Travenol Laboratories, Inc. · 1983
- Medication reservoir504US 8,303,572 B2Medtronic MiniMed, Inc. · 2012
- Method and apparatus for detection of occlusions437US 6,362,591 B1MiniMed Inc. · 2002
- Luer-receiving medical valve and fluid transfer method399US 5,549,651 A1996
- Antiseptic catheter coupling septum308US 5,242,425 AGish Biomedical, Inc. · 1993