B01L 3/502
With fluid transport
Official title: {with fluid transport, e.g. in multi-compartment structures}
B01L3/502 (With fluid transport) appears on 17,493 US grants and 26,204 published applications in this corpus.
Search patents in B01L- Granted patents
- 17,493
- Published applications
- 26,204
- Assignees
- 6,050
- Inventors
- 35,699
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 17 | 0 |
| 1978 | 25 | 0 |
| 1979 | 14 | 0 |
| 1980 | 18 | 0 |
| 1981 | 12 | 0 |
| 1982 | 15 | 0 |
| 1983 | 9 | 0 |
| 1984 | 16 | 0 |
| 1985 | 10 | 0 |
| 1986 | 11 | 0 |
| 1987 | 20 | 0 |
| 1988 | 27 | 0 |
| 1989 | 34 | 0 |
| 1990 | 50 | 0 |
| 1991 | 51 | 0 |
| 1992 | 69 | 0 |
| 1993 | 87 | 0 |
| 1994 | 65 | 0 |
| 1995 | 64 | 0 |
| 1996 | 63 | 0 |
| 1997 | 96 | 0 |
| 1998 | 124 | 0 |
| 1999 | 147 | 0 |
| 2000 | 162 | 0 |
| 2001 | 170 | 84 |
| 2002 | 218 | 466 |
| 2003 | 235 | 567 |
| 2004 | 235 | 619 |
| 2005 | 224 | 682 |
| 2006 | 263 | 765 |
| 2007 | 288 | 716 |
| 2008 | 303 | 764 |
| 2009 | 318 | 799 |
| 2010 | 481 | 914 |
| 2011 | 511 | 1219 |
| 2012 | 593 | 884 |
| 2013 | 615 | 890 |
| 2014 | 690 | 1072 |
| 2015 | 800 | 1119 |
| 2016 | 783 | 1151 |
| 2017 | 883 | 1163 |
| 2018 | 890 | 1346 |
| 2019 | 953 | 1416 |
| 2020 | 1068 | 1522 |
| 2021 | 1003 | 1649 |
| 2022 | 1053 | 1611 |
| 2023 | 998 | 1562 |
| 2024 | 1042 | 1421 |
| 2025 | 974 | 1122 |
| 2026 | 666 | 681 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01L 3/5027By integrated microfluidic structures, i.e. dimensions of channels and chambers are such13,348
- B01L 3/5025For parallel transport of multiple samples1,338
- B01L 3/5023With a sample being transported to, and subsequently stored in an absorbent1,165
- B01L 3/5021Test tubes specially adapted for centrifugation purposes1,069
- B01L 3/5029Using swabs488
Recent patents
- Fluid control devices and methods of using the same6 Oct 2026US 12,751,652 B2Magnolia Medical Technologies, Inc.
- Fluid control devices and methods of using the same6 Oct 2026US 12,751,653 B2Magnolia Medical Technologies, Inc.
- Pipette tip adapter6 Oct 2026US 12,752,268 B2Mettler-Toledo Rainin, LLC
- Large scale microdroplet generation apparatus and methods of manufacturing thereof6 Oct 2026US 12,752,269 B2The Trustees of the University of Pennsylvania
- Microstructure and molecular detection method6 Oct 2026US 12,752,270 B2Korea University Research and Business Foundation
- Assay device and method of use thereof8 Oct 2026US 2026/0307069 A1Truvian Sciences, Inc.
- Customizable testing cartridges and reader box for nucleic acid amplification assays8 Oct 2026US 2026/0307070 A1Omnibox, Inc.
- Separation basket8 Oct 2026US 2026/0307071 A1Gentueri Inc.
- Experimental chip8 Oct 2026US 2026/0307072 A1Micro-gRx, Inc
- Devices and systems for isolating particles in solution by particle permitivity8 Oct 2026US 2026/0307073 A1Sigil Biosciences, Inc.
Most cited
By later US patents
- Tissue penetration device1,208US 7,025,774 B2Pelikan Technologies, Inc. · 2006
- Mesoscale polynucleotide amplification devices1,091US 5,587,128 AThe Trustees of the University of Pennsylvania · 1996
- Robust system for screening mail for biological agents1,080US 6,887,710 B2MesoSystems Technology, Inc. · 2005
- Mesoscale polynucleotide amplification device and method1,042US 5,498,392 AThe Trustees of the University of Pennsylvania · 1996
- Melt-blown fibrous web1,019US 5,582,907 APall Corporation · 1996