A61M 3/0254
The liquid being pumped
Official title: {the liquid being pumped (by the patient's weight A61M3/0225)}
A61M3/0254 (The liquid being pumped) appears on 811 US grants and 1,013 published applications in this corpus.
Search patents in A61M- Granted patents
- 811
- Published applications
- 1,013
- Assignees
- 385
- Inventors
- 1,690
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 10 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 11 | 6 |
| 2002 | 20 | 11 |
| 2003 | 24 | 28 |
| 2004 | 8 | 21 |
| 2005 | 9 | 22 |
| 2006 | 9 | 25 |
| 2007 | 11 | 24 |
| 2008 | 4 | 26 |
| 2009 | 8 | 11 |
| 2010 | 14 | 35 |
| 2011 | 17 | 38 |
| 2012 | 17 | 32 |
| 2013 | 26 | 29 |
| 2014 | 35 | 39 |
| 2015 | 19 | 34 |
| 2016 | 24 | 38 |
| 2017 | 32 | 65 |
| 2018 | 32 | 50 |
| 2019 | 36 | 50 |
| 2020 | 32 | 68 |
| 2021 | 41 | 66 |
| 2022 | 44 | 78 |
| 2023 | 33 | 50 |
| 2024 | 44 | 62 |
| 2025 | 34 | 73 |
| 2026 | 34 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fecal management systems and methods6 Oct 2026US 12,752,046 B2CM Technologies, Inc.
- Nasal specimen collection system22 Sep 2026US 12,740,770 B2Board of Regents of the University of Nebraska
- Device and method for administering liquid to the ear canal1 Sep 2026US 12,721,982 B2The Regents of the University of California
- Ophthalmic surgical cartridge25 Aug 2026US 12,714,776 B2Carl Zeiss Meditec AG
- Systems and methods for sensorless blockage detection in a surgical fluid management system18 Aug 2026US 12,708,704 B2Medtronic Xomed, Inc.
- Cleaning device for private parts8 Oct 2026US 2026/0306732 A1Shenzhen Hengnengda Technology Co., Ltd.
- Irrigation system with improved inflation control1 Oct 2026US 2026/0295145 A1Wellspect AB
- Feminine care device1 Oct 2026US 2026/0295146 A1
- Wound Therapy System With Wound Volume Estimation10 Sep 2026US 2026/0263683 A1Solventum Intellectual Properties Company
- Devices and methods for delivering synergistic active agents to target sites3 Sep 2026US 2026/0257005 A1
Most cited
By later US patents
- Irrigation system for endoscopic surgery1,585US 6,358,224 B1Tyco Healthcare Group LP · 2002
- Automatic fluid control system for use in open and laparoscopic laser surgery and electrosurgery and method therefor816US 5,836,909 A1998
- System and method for controlled infusion and pressure monitoring658US 6,159,160 AEthicon, Inc. · 2000
- Method of controlling a surgical system based on a load on the cutting tip of a handpiece647US 7,625,388 B2Alcon Inc. · 2009
- Surgical irrigation apparatus and methods for use502US 6,162,194 AApollo Camera, LLC · 2000