A61M 60/258
Piston pumps
A61M60/258 (Piston pumps) appears on 136 US grants and 146 published applications in this corpus.
Search patents in A61M- Granted patents
- 136
- Published applications
- 146
- Assignees
- 76
- Inventors
- 275
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 4 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 7 |
| 2011 | 5 | 18 |
| 2012 | 1 | 5 |
| 2013 | 5 | 6 |
| 2014 | 6 | 7 |
| 2015 | 12 | 7 |
| 2016 | 8 | 9 |
| 2017 | 6 | 7 |
| 2018 | 4 | 1 |
| 2019 | 6 | 8 |
| 2020 | 4 | 6 |
| 2021 | 6 | 10 |
| 2022 | 3 | 4 |
| 2023 | 7 | 9 |
| 2024 | 6 | 10 |
| 2025 | 7 | 6 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blood pump28 Jul 2026US 12,691,276 B2Charite-Universitaetsmedizin Berlin
- Magnetic drive apparatus for translating rotational motion to nutational motion20 Jan 2026US 12,531,464 B2Magvad LLC
- Electrocardiogramagered piston pump23 Dec 2025US 12,502,523 B2University of Louisiana at Lafayette
- Linear cardiac assist pulsatile pump2 Dec 2025US 12,485,267 B2SummaCor, Inc.
- Method of fixating a heart help device14 Oct 2025US 12,440,664 B2
- Pulsatile ventricular assist devices10 Sep 2026US 2026/0263775 A1
- Determination of ejected volume in a pneumatic pump system27 Aug 2026US 2026/0249070 A1Syncardia Systems, LLC
- Modular biological cell processing system13 Aug 2026US 2026/0232888 A1Fenwal, Inc.
- Linear cardiac assist pulsatile pump13 Aug 2026US 2026/0232987 A1SummaCor, Inc.
- Blood pump23 Jul 2026US 2026/0207924 A1ABIOMED, Inc.
Most cited
By later US patents
- Blood pumping and processing system359US 5,423,738 A1995
- Apparatus and methods for treating congestive heart disease337US 7,335,192 B2FlowMedica, Inc. · 2008
- Apparatus and methods for treating congestive heart disease294US 6,749,598 B1FlowMedica, Inc. · 2004
- Surgically implantable pump arrangement and method for pumping body fluids286US 5,676,651 AElectric Boat Corporation · 1997
- Biocompatible ventricular assist and arrhythmia control device263US 4,925,443 A1990