G01N 1/38
Diluting, dispersing or mixing samples
G01N1/38 (Diluting, dispersing or mixing samples) appears on 1,461 US grants and 1,788 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,461
- Published applications
- 1,788
- Assignees
- 1,064
- Inventors
- 4,362
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 1 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 16 | 0 |
| 1994 | 15 | 0 |
| 1995 | 11 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 17 | 0 |
| 2000 | 18 | 0 |
| 2001 | 14 | 6 |
| 2002 | 10 | 27 |
| 2003 | 8 | 20 |
| 2004 | 14 | 27 |
| 2005 | 17 | 26 |
| 2006 | 11 | 32 |
| 2007 | 9 | 22 |
| 2008 | 18 | 31 |
| 2009 | 12 | 39 |
| 2010 | 40 | 42 |
| 2011 | 23 | 40 |
| 2012 | 22 | 50 |
| 2013 | 43 | 66 |
| 2014 | 47 | 57 |
| 2015 | 55 | 72 |
| 2016 | 54 | 88 |
| 2017 | 55 | 97 |
| 2018 | 65 | 109 |
| 2019 | 70 | 133 |
| 2020 | 101 | 142 |
| 2021 | 96 | 143 |
| 2022 | 103 | 132 |
| 2023 | 98 | 110 |
| 2024 | 92 | 119 |
| 2025 | 91 | 96 |
| 2026 | 58 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 2001/386Other diluting or mixing processesIndexing code231
- G01N 2001/383Collecting and diluting in a flow of liquidIndexing code139
- G01N 2001/382Using pistons of different sectionsIndexing code28
- G01N 2001/381By membrane diffusionIndexing code21
- G01N 2001/385Diluting by adsorbing a fraction of the sampleIndexing code10
Recent patents
- Systems and methods for meso-dissection6 Oct 2026US 12,754,109 B2Roche Molecular Systems, Inc.
- Sample processing apparatus and use method therefor29 Sep 2026US 12,748,021 B2Nanjing GenScript Biotech Co., Ltd.
- Apparatus and method for testing a drill cuttings dispersion15 Sep 2026US 12,736,447 B2Schlumberger Technology Corporation
- Sampling systems and techniques to collect hazardous contaminants with high pickup and shedding efficiencies25 Aug 2026US 12,716,820 B2Becton, Dickinson and Company
- Deaerator and electrolyte measurement system18 Aug 2026US 12,710,395 B2Hitachi High-Tech Corporation
- Method for particle size analysis of bed material sediment and related device8 Oct 2026US 2026/0309609 A1China Three Gorges University
- Specimen testing plate structure, specimen testing apparatus, and specimen testing method1 Oct 2026US 2026/0298779 A1Canon Kabushiki Kaisha
- Automated Sample Preparation for Spent Media Analysis1 Oct 2026US 2026/0298780 A1IDEX Health & Science LLC
- A multi-stage apparatus for automated sample preparation and online peptide mapping analysis1 Oct 2026US 2026/0298782 A1Hoffmann-La Roche Inc.
- Field test for determining emulsifier concentrations in drilling fluids24 Sep 2026US 2026/0287572 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Methods and apparatus for in situ concentration and/or dilution of materials in microfluidic systems431US 5,869,004 ACaliper Technologies Corp. · 1999
- Integrated chemical synthesizers388US 5,580,523 A1996
- Dilution and mixing cartridge343US 5,104,813 ABiotrack, Inc. · 1992
- Capillary stop-flow junction having improved stability against accidental fluid flow311US 5,230,866 ABiotrack, Inc. · 1993
- Analytical cartridge277US 5,919,711 ACareside, Inc. · 1999