B01L 3/502746
Characterised by the means for controlling flow resistance
Official title: {characterised by the means for controlling flow resistance, e.g. flow controllers, baffles or throttle valves}
B01L3/502746 (Characterised by the means for controlling flow resistance) appears on 1,253 US grants and 1,883 published applications in this corpus.
Search patents in B01L- Granted patents
- 1,253
- Published applications
- 1,883
- Assignees
- 750
- Inventors
- 3,507
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 6 |
| 2002 | 7 | 27 |
| 2003 | 16 | 36 |
| 2004 | 15 | 41 |
| 2005 | 12 | 55 |
| 2006 | 23 | 82 |
| 2007 | 22 | 97 |
| 2008 | 14 | 50 |
| 2009 | 26 | 54 |
| 2010 | 40 | 59 |
| 2011 | 35 | 76 |
| 2012 | 46 | 63 |
| 2013 | 49 | 73 |
| 2014 | 59 | 81 |
| 2015 | 63 | 64 |
| 2016 | 59 | 85 |
| 2017 | 75 | 96 |
| 2018 | 67 | 116 |
| 2019 | 71 | 107 |
| 2020 | 79 | 116 |
| 2021 | 110 | 99 |
| 2022 | 74 | 89 |
| 2023 | 61 | 99 |
| 2024 | 66 | 95 |
| 2025 | 64 | 74 |
| 2026 | 36 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Large scale microdroplet generation apparatus and methods of manufacturing thereof6 Oct 2026US 12,752,269 B2The Trustees of the University of Pennsylvania
- Microfluidic device chamber pillars29 Sep 2026US 12,746,547 B2Hewlett-Packard Development Company, L. P.
- Microfluidic device for manufacturing uniform nanoparticles22 Sep 2026US 12,741,281 B2Mepsgen Co., Ltd.
- Interposer with first and second adhesive layers15 Sep 2026US 12,734,520 B2Illumina, Inc.
- Microfluidic chip, temperature measurement method using the same, and analysis device using the same1 Sep 2026US 12,722,153 B2Beijing Boe Optoelectronics Technology Co., Ltd.
- Device and process for recovering organelle vesicles from cells, using a microfluidic extraction unit24 Sep 2026US 2026/0284661 A1Centre National De La Recherche Scientifique
- System and method for octahedral microfluidic manipulation24 Sep 2026US 2026/0284662 A1The Regents of the University of California
- Multiplex assay reader and microfluidic test cartridge17 Sep 2026US 2026/0273529 A1Cleu Diagnostics, LLC
- Manipulation of fluids, fluid components and reactions in microfluidic systems10 Sep 2026US 2026/0264083 A1Brandeis University
- Laser welded enclosure for electronics, circuitry or sensors3 Sep 2026US 2026/0257218 A1Schott AG
Most cited
By later US patents
- Tissue penetration device1,208US 7,025,774 B2Pelikan Technologies, Inc. · 2006
- Methods and apparatus for the detection of an analyte utilizing mesoscale flow systems1,006US 5,637,469 AThe Trustees of the University of Pennsylvania · 1997
- Integrated nucleic acid diagnostic device1,005US 5,856,174 AAffymetrix, Inc. · 1999
- Integrated nucleic acid diagnostic device989US 5,922,591 AAffymetrix, Inc. · 1999
- Microfluidic systems incorporating varied channel dimensions843US 5,842,787 ACaliper Technologies Corp. · 1998