A61M 2205/3379
Masses, volumes, levels of fluids in reservoirs, flow rates
A61M2205/3379 (Masses, volumes, levels of fluids in reservoirs, flow rates) appears on 2,700 US grants and 3,482 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,700
- Published applications
- 3,482
- Assignees
- 971
- Inventors
- 4,836
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 12 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 15 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 35 | 0 |
| 1998 | 37 | 0 |
| 1999 | 23 | 0 |
| 2000 | 25 | 0 |
| 2001 | 21 | 10 |
| 2002 | 24 | 25 |
| 2003 | 32 | 30 |
| 2004 | 24 | 28 |
| 2005 | 16 | 48 |
| 2006 | 18 | 45 |
| 2007 | 23 | 68 |
| 2008 | 24 | 57 |
| 2009 | 29 | 57 |
| 2010 | 42 | 78 |
| 2011 | 51 | 101 |
| 2012 | 61 | 98 |
| 2013 | 83 | 94 |
| 2014 | 79 | 132 |
| 2015 | 77 | 136 |
| 2016 | 92 | 158 |
| 2017 | 123 | 206 |
| 2018 | 106 | 187 |
| 2019 | 186 | 251 |
| 2020 | 202 | 264 |
| 2021 | 178 | 270 |
| 2022 | 203 | 272 |
| 2023 | 227 | 225 |
| 2024 | 201 | 265 |
| 2025 | 225 | 231 |
| 2026 | 98 | 146 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 2205/3389Continuous level detectionIndexing code811
- A61M 2205/3393By weighing the reservoirIndexing code587
- A61M 2205/3386Low level detectorsIndexing code381
- A61M 2205/3382Upper level detectorsIndexing code338
- A61M 2205/3396Reservoirs being alternately filled and emptied for measuring flow rate or deliveredIndexing code65
Recent patents
- Apparatus, system and method for fluid delivery6 Oct 2026US 12,751,899 B2DEKA Products Limited Partnership
- Fluid measuring reservoir for breast pumps6 Oct 2026US 12,754,055 B2Willow Innovations, Inc.
- Automated peritoneal dialysis cycler having gravimetric control29 Sep 2026US 12,746,314 B2Vantive Health GmbH
- Systems and methods for implementing different versions of a blood separation procedure29 Sep 2026US 12,746,319 B2Fenwal, Inc.
- Sub-atmospheric wound-care system29 Sep 2026US 12,746,321 B2J&M Shuler Medical, Inc.
- Extracorporeal life support system with air purge control8 Oct 2026US 2026/0306728 A1LivaNova Deutschland GmbH
- Status indication using a disposable accessory for negative pressure wound therapy and treatment8 Oct 2026US 2026/0306731 A1T.J. Smith and Nephew, Limited
- Breast Pump1 Oct 2026US 2026/0295131 A1Medela Holding AG
- System for flushing a body cavity, a measurement unit and a smart tubing assembly for the system1 Oct 2026US 2026/0295140 A1Haermonics BV
- Irrigation system with improved inflation control1 Oct 2026US 2026/0295145 A1Wellspect AB
Most cited
By later US patents
- Wound treatment employing reduced pressure2,003US 5,636,643 AWake Forest University · 1997
- Method of treating tissue damage and apparatus for same1,737US 5,645,081 AWake Forest University · 1997
- Wearable, variable rate suction/collection device1,362US 4,710,165 A1987
- Portable wound treatment apparatus715US 6,142,982 AKCI Medical Limited · 2000
- Wound therapy device624US 6,695,823 B1KCI Licensing, Inc. · 2004