A61M 2206/12
The flow being spirally in a plane
Official title: the flow being spirally in a plane, e.g. against a plane side of a membrane filter element
A61M2206/12 (The flow being spirally in a plane) appears on 40 US grants and 55 published applications in this corpus.
Search patents in A61M- Granted patents
- 40
- Published applications
- 55
- Assignees
- 40
- Inventors
- 126
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 0 | 4 |
| 2020 | 1 | 4 |
| 2021 | 6 | 7 |
| 2022 | 0 | 8 |
| 2023 | 2 | 3 |
| 2024 | 7 | 9 |
| 2025 | 5 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Blood collection and processing system252US 5,100,564 APall Corporation · 1992
- System and method for processing biological fluid150US 5,217,627 APall Corporation · 1993
- Method for obtaining platelets98US 5,258,126 APall Corporation · 1993
- System for processing biological fluid82US 5,587,070 APall Corporation · 1996
- In-line liquid filtration device useable for blood, blood products or the like57US 6,274,055 B1Hemasure, Inc. · 2001