A61M 1/3448
By mechanically linked pumps in both ultra-filtrate and substitution flow line
Official title: {by mechanically linked pumps in both ultra-filtrate and substitution flow line}
A61M1/3448 (By mechanically linked pumps in both ultra-filtrate and substitution flow line) appears on 34 US grants and 34 published applications in this corpus.
Search patents in A61M- Granted patents
- 34
- Published applications
- 34
- Assignees
- 15
- Inventors
- 49
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 2 |
| 2003 | 6 | 1 |
| 2004 | 2 | 8 |
| 2005 | 3 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 5 |
| 2020 | 5 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Blood purification apparatus19 Mar 2024US 11,931,498 B2Nikkiso Co., Ltd.
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- Flow balancing devices, methods, and systems9 Aug 2022US 11,406,744 B2NxStage Medical, Inc.
- A dialysis apparatus which ultra-filters blood and a related method28 Aug 2025US 2025/0269101 A1Ipswich Medical Research Limited
- Flow Balancing Devices, Methods, and Systems7 Mar 2024US 2024/0075191 A1NxStage Medical, Inc.
- Flow Balancing Devices, Methods, and Systems18 May 2023US 2023/0149606 A1NxStage Medical, Inc.
- Signal Activated Method for Draining an Effluent Bag and Devices15 Dec 2022US 2022/0395618 A1
- Flow Balancing Devices, Methods, and Systems4 Mar 2021US 2021/0060226 A1NxStage Medical, Inc.
Most cited
By later US patents
- Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge310US 6,579,253 B1NxStage Medical, Inc. · 2003
- Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge281US 6,852,090 B2NxStage Medical, Inc. · 2005
- Interactive systems and methods for supporting hemofiltration therapies245US 6,673,314 B1NxStage Medical, Inc. · 2004
- Synchronized volumetric fluid balancing systems and methods240US 6,638,478 B1NxStage Medical, Inc. · 2003
- Measurement of fluid pressure in a blood treatment device195US 7,147,613 B2NxStage Medical, Inc. · 2006