B01L 2400/0688
Surface tension valves, capillary stop, capillary break
Official title: surface tension valves, capillary stop, capillary break
B01L2400/0688 (Surface tension valves, capillary stop, capillary break) appears on 732 US grants and 1,385 published applications in this corpus.
Search patents in B01L- Granted patents
- 732
- Published applications
- 1,385
- Assignees
- 414
- Inventors
- 1,875
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 7 | 11 |
| 2002 | 17 | 56 |
| 2003 | 20 | 37 |
| 2004 | 20 | 33 |
| 2005 | 14 | 54 |
| 2006 | 17 | 41 |
| 2007 | 15 | 45 |
| 2008 | 27 | 36 |
| 2009 | 15 | 44 |
| 2010 | 26 | 39 |
| 2011 | 28 | 390 |
| 2012 | 28 | 47 |
| 2013 | 41 | 28 |
| 2014 | 31 | 47 |
| 2015 | 35 | 51 |
| 2016 | 27 | 43 |
| 2017 | 37 | 44 |
| 2018 | 47 | 46 |
| 2019 | 36 | 46 |
| 2020 | 31 | 47 |
| 2021 | 32 | 45 |
| 2022 | 40 | 39 |
| 2023 | 35 | 44 |
| 2024 | 20 | 31 |
| 2025 | 21 | 31 |
| 2026 | 18 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Microfluidic sample handling17 Sep 2026US 2026/0273528 A1Vital Biosciences Inc.
- Manipulation of fluids, fluid components and reactions in microfluidic systems10 Sep 2026US 2026/0264083 A1Brandeis University
- Sample collection device11 Jun 2026US 2026/0157736 A1Siro Diagnostics, Inc.
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Most cited
By later US patents
- Capillary flow device951US 4,963,498 ABiotrack, Inc. · 1990
- Chip-based isothermal amplification devices and methods651US 6,379,929 B1The Regents of the University of Michigan · 2002
- Moving microdroplets561US 6,130,098 AThe Regents of the University of Michigan · 2000
- Multi-zoned reaction vessel having pressure-actuatable control means between zones440US 4,426,451 AEastman Kodak Company · 1984
- Liquid distribution system425US 5,846,396 ASarnoff Corporation · 1998