A61B 5/150251
Collection chamber divided into at least two compartments
Official title: {Collection chamber divided into at least two compartments, e.g. for division of samples (injection syringes having more than one chamber A61M5/19; syringes for injection of two or more media A61M5/2448, A61M5/284; sample preparation for further analysis A61B5/150755)}
A61B5/150251 (Collection chamber divided into at least two compartments) appears on 344 US grants and 438 published applications in this corpus.
Search patents in A61B- Granted patents
- 344
- Published applications
- 438
- Assignees
- 152
- Inventors
- 527
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 18 |
| 2004 | 0 | 0 |
| 2005 | 1 | 8 |
| 2006 | 1 | 10 |
| 2007 | 7 | 25 |
| 2008 | 3 | 5 |
| 2009 | 8 | 6 |
| 2010 | 8 | 4 |
| 2011 | 14 | 20 |
| 2012 | 15 | 7 |
| 2013 | 7 | 11 |
| 2014 | 11 | 21 |
| 2015 | 16 | 23 |
| 2016 | 11 | 17 |
| 2017 | 8 | 23 |
| 2018 | 23 | 31 |
| 2019 | 15 | 26 |
| 2020 | 18 | 25 |
| 2021 | 15 | 25 |
| 2022 | 24 | 31 |
| 2023 | 26 | 27 |
| 2024 | 24 | 35 |
| 2025 | 18 | 22 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid control devices and methods of using the same6 Oct 2026US 12,751,653 B2Magnolia Medical Technologies, Inc.
- Device for the attached flow of blood29 Sep 2026US 12,745,936 B2Becton, Dickinson and Company
- Fluid control devices and methods of using the same15 Sep 2026US 12,733,848 B2Magnolia Medical Technologies, Inc.
- Fluid control devices and methods of using the same15 Sep 2026US 12,733,849 B2Magnolia Medical Technologies, Inc.
- Blood collection instrument and blood collection plate16 Jun 2026US 12,653,431 B2Hundred Co., Ltd.
- Apparatus and method for bodily fluid sample collection8 Oct 2026US 2026/0305995 A1Magnolia Medical Technologies, Inc.
- Fluid control devices and methods of using the same10 Sep 2026US 2026/0262977 A1Magnolia Medical Technologies, Inc.
- Methods for delivery of bodily fluids onto a fibrous substrate10 Sep 2026US 2026/0263053 A1Tasso, Inc.
- Blood sample optimization device20 Aug 2026US 2026/0240469 A1Kurin, Inc.
- Fluid diversion mechanism for bodily-fluid sampling13 Aug 2026US 2026/0232235 A1Magnolia Medical Technologies, Inc.
Most cited
By later US patents
- Process for determining parameters of interest in living organisms625US 5,097,834 AAvl AG · 1992
- Medical device for analyte monitoring and drug delivery548US 7,291,497 B2Theranos, Inc. · 2007
- Point-of-care fluidic systems and uses thereof394US 7,635,594 B2Theranos, Inc. · 2009
- Contamination-free method and apparatus for measuring body fluid chemical parameters386US 5,145,565 ASpaceLabs, Inc. · 1992
- Method and apparatus for penetrating tissue237US 7,374,544 B2Pelikan Technologies, Inc. · 2008