A61M 5/1411
Drip chambers
Official title: {Drip chambers (A61M5/1689, A61M5/40 take precedence)}
A61M5/1411 (Drip chambers) appears on 330 US grants and 388 published applications in this corpus.
Search patents in A61M- Granted patents
- 330
- Published applications
- 388
- Assignees
- 140
- Inventors
- 591
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 3 |
| 2003 | 6 | 9 |
| 2004 | 5 | 8 |
| 2005 | 3 | 5 |
| 2006 | 1 | 15 |
| 2007 | 4 | 5 |
| 2008 | 7 | 5 |
| 2009 | 4 | 5 |
| 2010 | 7 | 10 |
| 2011 | 5 | 7 |
| 2012 | 6 | 12 |
| 2013 | 7 | 9 |
| 2014 | 5 | 18 |
| 2015 | 9 | 8 |
| 2016 | 9 | 21 |
| 2017 | 17 | 15 |
| 2018 | 10 | 22 |
| 2019 | 24 | 27 |
| 2020 | 13 | 32 |
| 2021 | 11 | 30 |
| 2022 | 24 | 35 |
| 2023 | 26 | 26 |
| 2024 | 16 | 21 |
| 2025 | 24 | 24 |
| 2026 | 7 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow metering insert and/or device28 Jul 2026US 12,691,219 B2
- Method for producing a drip chamber, drip chamber, infusion system or transfusion system21 Jul 2026US 12,685,812 B2B. Braun Melsungen AG
- Drip chamber assembly14 Jul 2026US 12,678,554 B2CareFusion 303, Inc.
- Drip chamber insert for an infusion device of a medical infusion system23 Jun 2026US 12,661,445 B2B. Braun Melsungen AG
- System for blood cell separation28 Apr 2026US 12,611,679 B2Fresenius Kabi Deutschland GmbH
- Drip chamber assembly1 Oct 2026US 2026/0295148 A1CareFusion 303, Inc.
- Systems, apparatus, and methods for filtering air from a fluid line20 Aug 2026US 2026/0241114 A1410 Medical, Inc.
- A flushing apparatus for use with an iv infusion set and an iv infusion set having an automatic flushing function6 Aug 2026US 2026/0224802 A1Droplet IV ApS
- Automated positioning of an infusion container30 Jul 2026US 2026/0216428 A1CareFusion 303, Inc.
- Anti-bubble drip chamber2 Jul 2026US 2026/0183474 A1CareFusion 303, Inc.
Most cited
By later US patents
- Fluid filtration device and system265US 9,867,914 B2Buffalo Filter LLC · 2018
- Fluid monitoring device223US 7,327,273 B22008
- Needleless valve for use in intravenous infusion222US 5,645,538 A1997
- Rapid infusion system206US 6,554,791 B1Smisson-Cartledge Biomedical LLC · 2003
- Self-priming drip chamber with extended field of vision187US 5,906,598 ABaxter International Inc. · 1999