B01L 3/50215
Using a float to separate phases
Official title: {using a float to separate phases}
B01L3/50215 (Using a float to separate phases) appears on 328 US grants and 330 published applications in this corpus.
Search patents in B01L- Granted patents
- 328
- Published applications
- 330
- Assignees
- 111
- Inventors
- 354
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 7 | 8 |
| 2003 | 3 | 2 |
| 2004 | 3 | 7 |
| 2005 | 0 | 5 |
| 2006 | 4 | 8 |
| 2007 | 5 | 10 |
| 2008 | 5 | 9 |
| 2009 | 5 | 11 |
| 2010 | 12 | 16 |
| 2011 | 15 | 22 |
| 2012 | 13 | 18 |
| 2013 | 19 | 32 |
| 2014 | 6 | 18 |
| 2015 | 20 | 22 |
| 2016 | 18 | 19 |
| 2017 | 20 | 12 |
| 2018 | 15 | 20 |
| 2019 | 11 | 6 |
| 2020 | 12 | 10 |
| 2021 | 6 | 15 |
| 2022 | 15 | 18 |
| 2023 | 14 | 12 |
| 2024 | 12 | 16 |
| 2025 | 13 | 7 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Leukocyte concentration separation device, blood collection container, and method for separating leukocytes29 Sep 2026US 12,746,542 B2Sekisui Medical Co., Ltd.
- Viral infections—treatment with convalescent plasma/serum16 Jun 2026US 12,654,163 B2Regen Lab USA LLC
- Kit including biotin for harvesting platelet-rich plasma2 Dec 2025US 12,485,412 B2
- Apparatus and methods for separating blood components28 Oct 2025US 12,453,968 B2New Orleans
- Sample containers adapted for acoustic ejections and sample preservation and methods thereof14 Oct 2025US 12,440,833 B2Labcyte Inc.
- Viral infections - treatment with convalescent plasma/serum24 Sep 2026US 2026/0284652 A1Regen Lab USA LLC
- Penetrable gel in a reaction vessel13 Aug 2026US 2026/0233216 A1Atila Biosystems, Inc.
- Stabilized blood derived composition using antifibrinolytic agents23 Jul 2026US 2026/0207670 A1
- Solid-body separator for separating at least two constituents of a bodily liquid23 Jul 2026US 2026/0208183 A1
- Stable interface systems and compositions19 Mar 2026US 2026/0078455 A1Flambeau Diagnostics, LLC
Most cited
By later US patents
- Apparatus and method for separating and concentrating fluids containing multiple components196US 7,179,391 B2Biomet Manufacturing, LLC · 2007
- Apparatus for collecting blood176US 5,019,243 A1991
- Separator float for blood collection tubes with water swellable material176US 5,736,033 A1998
- Plasma separator with barrier to eject sealant174US 3,957,654 ABecton, Dickinson and Company · 1976
- Blood phase separator device158US 4,417,981 ABecton, Dickinson and Company · 1983