A61M 5/38
Using hydrophilic or hydrophobic filters
Official title: using hydrophilic or hydrophobic filters
A61M5/38 (Using hydrophilic or hydrophobic filters) appears on 270 US grants and 348 published applications in this corpus.
Search patents in A61M- Granted patents
- 270
- Published applications
- 348
- Assignees
- 136
- Inventors
- 585
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 3 |
| 2005 | 0 | 6 |
| 2006 | 3 | 11 |
| 2007 | 1 | 4 |
| 2008 | 4 | 25 |
| 2009 | 3 | 8 |
| 2010 | 7 | 15 |
| 2011 | 8 | 18 |
| 2012 | 16 | 15 |
| 2013 | 16 | 13 |
| 2014 | 11 | 16 |
| 2015 | 8 | 10 |
| 2016 | 11 | 24 |
| 2017 | 15 | 11 |
| 2018 | 8 | 22 |
| 2019 | 16 | 12 |
| 2020 | 18 | 23 |
| 2021 | 11 | 20 |
| 2022 | 12 | 19 |
| 2023 | 18 | 24 |
| 2024 | 14 | 20 |
| 2025 | 11 | 19 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Implantable guide device29 Sep 2026US 12,746,089 B2Neurochase Technologies Limited
- Fluid conduit assembly with gas trapping filter in the fluid flow path29 Sep 2026US 12,746,345 B2Medtronic MiniMed, Inc.
- Inline microgravity air trap device and an intravenous assembly incorporating an inline microgravity air trap device7 Jul 2026US 12,673,170 B2
- Autoinjector air removal apparatus and method of removing air from an autoinjector2 Jun 2026US 12,642,917 B2University of Washington
- Cylinder pump26 May 2026US 12,636,427 B2Meinntech Co., Ltd.
- Systems, apparatus, and methods for filtering air from a fluid line20 Aug 2026US 2026/0241114 A1410 Medical, Inc.
- Gas control in medical fluid filters6 Aug 2026US 2026/0224823 A1Tessen Solutions Limited
- Catheter system having a vent plug and related methods4 Jun 2026US 2026/0151591 A1Becton, Dickinson and Company
- Luer taper with low dead space element14 May 2026US 2026/0130793 A1OcuJect, LLC
- Multi-channel automatic infusion valve9 Apr 2026US 2026/0096923 A1Alcon Inc.
Most cited
By later US patents
- Flow restriction system and method for patient infusion device602US 7,018,360 B2Insulet Corporation · 2006
- Systems and methods allowing for reservoir filling and infusion medium delivery565US 7,828,764 B2Medtronic MiniMed, Inc. · 2010
- Infusion medium delivery device and method with drive device for driving plunger in reservoir505US 8,277,415 B2Medtronic MiniMed, Inc. · 2012
- Infusion pumps and methods and delivery devices and methods with same487US 8,202,250 B2Medtronic MiniMed, Inc. · 2012
- Fluid handling cassette having a spectroscopic sample cell171US 7,481,787 B2OptiScan Biomedical Corporation · 2009