A61M 1/304
Treatment chamber used as reservoir
Official title: {Treatment chamber used as reservoir, e.g. centrifuge bowl or filter with movable membrane}
A61M1/304 (Treatment chamber used as reservoir) appears on 49 US grants and 45 published applications in this corpus.
Search patents in A61M- Granted patents
- 49
- Published applications
- 45
- Assignees
- 18
- Inventors
- 104
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 3 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 6 |
| 2019 | 2 | 4 |
| 2020 | 1 | 6 |
| 2021 | 6 | 6 |
| 2022 | 3 | 2 |
| 2023 | 3 | 9 |
| 2024 | 4 | 2 |
| 2025 | 5 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for high-throughput blood component collection22 Sep 2026US 12,741,074 B2Terumo BCT, Inc.
- System and methods incorporating replacement fluid maximization11 Aug 2026US 12,702,738 B2Fenwal, Inc.
- Method and systems for high-throughput blood component collection10 Mar 2026US 12,569,610 B2Terumo BCT, Inc.
- Systems and methods for converting an apheresis fluid processing circuit to single or double needle mode24 Feb 2026US 12,558,469 B2Fenwal, Inc.
- Methods and systems for high-throughput blood component collection7 Oct 2025US 12,433,988 B2Terumo BCT, Inc.
- Methods And Systems For High-Throughput Blood Component Collection15 Jan 2026US 2026/0014308 A1Terumo BCT, Inc.
- Fluid control and bypass features for an apheresis system27 Nov 2025US 2025/0360259 A1Terumo BCT, Inc.
- Methods And Systems For High-Throughput Blood Component Collection6 Feb 2025US 2025/0041501 A1Terumo BCT, Inc.
- Systems And Methods For Using Microfluidic Devices With Apheresis Systems8 Aug 2024US 2024/0261487 A1Terumo BCT, Inc.
- Methods And Systems For High-Throughput Blood Component Collection2 May 2024US 2024/0139399 A1Terumo BCT, Inc.
Most cited
By later US patents
- Hemofiltration and plasmafiltration devices and methods308US 5,919,369 AHemocleanse, Inc. · 1999
- Plasmapheresis apparatus284US 4,086,924 AHaemonetics Corporation · 1978
- Apheresis apparatus and method245US 5,494,592 AHaemonetics Corporation · 1996
- Hemofiltration and plasmafiltration devices and methods214US 5,536,412 AHemocleanse, Inc. · 1996
- Apheresis apparatus for separating an intermediate density component from whole blood209US 5,607,579 AHaemonetics Corporation · 1997