A61M 1/3604
In opposite directions
Official title: {in opposite directions}
A61M1/3604 (In opposite directions) appears on 32 US grants and 19 published applications in this corpus.
Search patents in A61M- Granted patents
- 32
- Published applications
- 19
- Assignees
- 18
- Inventors
- 43
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 4 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Syringe-based manual extracorporeal blood treatment systems and methods employing batch processing3 Jun 2025US 12,318,526 B2Stavro Medical, Inc.
- Dampening element for fluid management system1 Apr 2025US 12,263,292 B2Boston Scientific Scimed, Inc.
- Compact reverse flow centrifuge system30 Jul 2024US 12,048,937 B2Scinogy Products Pty Ltd
- Measuring access flow rate by use of blood treatment machine28 May 2024US 11,992,589 B2Gambro Lundia AB
- Collection of mononuclear cells and peripheral blood stem cells28 Nov 2023US 11,826,677 B2Fenwal, Inc.
- Dampening element for fluid management system3 Jul 2025US 2025/0213774 A1Boston Scientific Scimed, Inc.
- Compact reverse flow centrifuge system23 Jan 2025US 2025/0025892 A1Scinogy Products Pty Ltd
- Measuring access flow rate by use of blood treatment machine8 Aug 2024US 2024/0267473 A1Gambro Lundia AB
- Syringe-based manual extracorporeal blood treatment systems and methods employing batch processing22 Sep 2022US 2022/0296797 A1Stavro Medical, Inc.
- Collection Of Mononuclear Cells And Peripheral Blood Stem Cells7 Jul 2022US 2022/0212128 A1Fenwal, Inc.
Most cited
By later US patents
- Autologous blood recovery membrane system and method473US 5,055,198 A1991
- Autotransfusion membrane system with means for providing reverse filtration109US 5,215,519 A1993
- Process/apparatus for the withdrawal/return of body fluids105US 4,655,742 ARhone-Poulenc Inc. · 1987
- Plasmapheresis by reciprocatory pulsatile filtration102US 4,735,726 AE. I. Du Pont de Nemours and Company · 1988
- Method and apparatus for hemodialysis with a single needle99US 5,120,303 A1992