A61M 5/16804
Active flow controllers
Official title: {Active flow controllers}
A61M5/16804 (Active flow controllers) appears on 2,353 US grants and 3,023 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,353
- Published applications
- 3,023
- Assignees
- 793
- Inventors
- 3,824
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 16 | 0 |
| 1987 | 14 | 0 |
| 1988 | 7 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 6 | 0 |
| 1995 | 20 | 0 |
| 1996 | 15 | 0 |
| 1997 | 13 | 0 |
| 1998 | 20 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 5 |
| 2002 | 15 | 30 |
| 2003 | 24 | 48 |
| 2004 | 24 | 65 |
| 2005 | 30 | 63 |
| 2006 | 22 | 66 |
| 2007 | 16 | 72 |
| 2008 | 21 | 94 |
| 2009 | 29 | 94 |
| 2010 | 62 | 88 |
| 2011 | 59 | 116 |
| 2012 | 76 | 132 |
| 2013 | 111 | 125 |
| 2014 | 92 | 147 |
| 2015 | 119 | 143 |
| 2016 | 118 | 145 |
| 2017 | 120 | 123 |
| 2018 | 126 | 158 |
| 2019 | 154 | 184 |
| 2020 | 129 | 165 |
| 2021 | 118 | 189 |
| 2022 | 151 | 197 |
| 2023 | 150 | 182 |
| 2024 | 140 | 151 |
| 2025 | 136 | 130 |
| 2026 | 64 | 111 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 5/16827Controlling delivery of multiple fluids903
- A61M 5/16813By controlling the degree of opening of the flow line678
- A61M 5/16809By repeated filling and emptying of an intermediate volume458
- A61M 5/16822By controlling air intake into infusion reservoir40
- A61M 5/16818By changing the height of the reservoir35
Recent patents
- Apparatus, system and method for fluid delivery6 Oct 2026US 12,751,899 B2DEKA Products Limited Partnership
- Infusion pump6 Oct 2026US 12,752,050 B2Insulet Corporation
- Apparatus, system and method for fluid delivery29 Sep 2026US 12,747,046 B2DEKA Products Limited Partnership
- Bilaterally driven intelligent control infusion device22 Sep 2026US 12,741,087 B2Medtrum Technologies Inc.
- Pressure-regulating and adjusting connector for infusion15 Sep 2026US 12,734,293 B2CareFusion 303, Inc.
- Drug infusion device for tumor interventional therapy8 Oct 2026US 2026/0306735 A1Guangzhou Institute of Cancer Research, the Affiliated Cancer Hospital, Guangzhou Medical University
- System and method having transition phase in multi-phase injection protocol1 Oct 2026US 2026/0295147 A1Bayer HealthCare LLC
- A method of establishing a flow delivery rate of a medicament delivery device1 Oct 2026US 2026/0295155 A1Shl Medical AG
- Universal flow limiter assembly1 Oct 2026US 2026/0295157 A1CareFusion 303, Inc.
- Methods and systems for controlling an infusion pump1 Oct 2026US 2026/0295159 A1DEKA Products Limited Partnership
Most cited
By later US patents
- Handheld personal data assistant (PDA) with a medical device and method of using the same2,420US 6,641,533 B2Medtronic MiniMed, Inc. · 2003
- Handheld personal data assistant (PDA) with a medical device and method of using the same2,273US 6,558,320 B1Medtronic MiniMed, Inc. · 2003
- Modular infusion device and method1,554US 6,749,587 B2Insulet Corporation · 2004
- Devices, systems and methods for patient infusion1,085US 7,137,964 B2Insulet Corporation · 2006
- Devices, systems and methods for patient infusion909US 6,740,059 B2Insulet Corporation · 2004