G01N 27/44756
Apparatus specially adapted therefor
Official title: {Apparatus specially adapted therefor}
G01N27/44756 (Apparatus specially adapted therefor) appears on 2,560 US grants and 2,854 published applications in this corpus.
Search patents in G01N- Granted patents
- 2,560
- Published applications
- 2,854
- Assignees
- 990
- Inventors
- 4,655
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 7 | 0 |
| 1978 | 11 | 0 |
| 1979 | 7 | 0 |
| 1980 | 12 | 0 |
| 1981 | 10 | 0 |
| 1982 | 13 | 0 |
| 1983 | 12 | 0 |
| 1984 | 13 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 16 | 0 |
| 1988 | 11 | 0 |
| 1989 | 13 | 0 |
| 1990 | 24 | 0 |
| 1991 | 16 | 0 |
| 1992 | 40 | 0 |
| 1993 | 20 | 0 |
| 1994 | 31 | 0 |
| 1995 | 22 | 0 |
| 1996 | 24 | 0 |
| 1997 | 24 | 0 |
| 1998 | 31 | 0 |
| 1999 | 50 | 0 |
| 2000 | 67 | 0 |
| 2001 | 52 | 31 |
| 2002 | 67 | 123 |
| 2003 | 76 | 127 |
| 2004 | 77 | 129 |
| 2005 | 62 | 109 |
| 2006 | 66 | 71 |
| 2007 | 47 | 70 |
| 2008 | 45 | 60 |
| 2009 | 38 | 75 |
| 2010 | 52 | 87 |
| 2011 | 44 | 84 |
| 2012 | 60 | 80 |
| 2013 | 62 | 115 |
| 2014 | 71 | 139 |
| 2015 | 108 | 174 |
| 2016 | 102 | 177 |
| 2017 | 126 | 199 |
| 2018 | 112 | 137 |
| 2019 | 138 | 164 |
| 2020 | 139 | 119 |
| 2021 | 120 | 130 |
| 2022 | 89 | 112 |
| 2023 | 97 | 97 |
| 2024 | 83 | 90 |
| 2025 | 76 | 92 |
| 2026 | 53 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 27/44791Microapparatus1,435
- G01N 27/44782Of a plurality of samples446
- G01N 27/44773Multi-stage electrophoresis368
- G01N 27/44795Isoelectric focusing258
- G01N 27/44769Continuous electrophoresis, i.e. the sample being continuously introduced122
- G01N 27/44786Of the magneto-electrophoresis type30
- G01N 27/44765Of the counter-flow type28
- G01N 27/4476Of the density gradient type10
Recent patents
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- Methods and compositions for electophoretic separations6 Oct 2026US 12,754,165 B2DH Techologies Development Pte. Ltd.
- Microwell microelectrode filtration sensor29 Sep 2026US 12,748,109 B2BioMEMS Diagnostics Inc.
- Composition for nucleic acid analysis, nucleic acid analyzing method, and nucleic acid analyzer15 Sep 2026US 12,735,742 B2Hitachi High-Tech Corporation
- Electrophoresis tank with splicing function and electrophoresis device15 Sep 2026US 12,736,501 B2Shanghai Tanon Life Science Co.,Ltd
- Sample analysis device and method for controlling same1 Oct 2026US 2026/0298869 A1Genemind Biosciences Company Limited
- Inline enrichment and separation of biomolecules in microfluidic devices24 Sep 2026US 2026/0287549 A1Wayne State University
- Sequencing polynucleotides using nanopores17 Sep 2026US 2026/0275415 A1Illumina, Inc.
- Analysis method and capillary electrophoresis device17 Sep 2026US 2026/0276583 A1Hitachi High-Tech Corporation
- Paper based microchip electrophoresis for molecular diagnostic tests17 Sep 2026US 2026/0276584 A1University of Houston System
Most cited
By later US patents
- Silicon semiconductor wafer for analyzing micronic biological samples904US 4,908,112 AE. I. Du Pont de Nemours and Company · 1990
- High throughput screening assay systems in microscale fluidic devices877US 5,942,443 ACaliper Technologies Corp. · 1999
- Microfluidic systems incorporating varied channel dimensions843US 5,842,787 ACaliper Technologies Corp. · 1998
- Manipulation of microparticles in microfluidic systems765US 6,632,655 B1Caliper Technologies Corp. · 2003
- Microfluidic structure and process for its manufacture704US 5,376,252 APharmacia Biosensor AB · 1994