G01N 30/06
Preparation
G01N30/06 (Preparation) appears on 1,733 US grants and 1,771 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,733
- Published applications
- 1,771
- Assignees
- 1,036
- Inventors
- 4,378
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 13 | 0 |
| 1982 | 10 | 0 |
| 1983 | 9 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 7 | 0 |
| 1989 | 16 | 0 |
| 1990 | 24 | 0 |
| 1991 | 25 | 0 |
| 1992 | 38 | 0 |
| 1993 | 31 | 0 |
| 1994 | 34 | 0 |
| 1995 | 41 | 0 |
| 1996 | 29 | 0 |
| 1997 | 28 | 0 |
| 1998 | 36 | 0 |
| 1999 | 36 | 0 |
| 2000 | 29 | 0 |
| 2001 | 23 | 8 |
| 2002 | 33 | 34 |
| 2003 | 24 | 37 |
| 2004 | 29 | 55 |
| 2005 | 23 | 44 |
| 2006 | 20 | 43 |
| 2007 | 32 | 33 |
| 2008 | 23 | 39 |
| 2009 | 21 | 36 |
| 2010 | 25 | 38 |
| 2011 | 22 | 45 |
| 2012 | 31 | 43 |
| 2013 | 35 | 55 |
| 2014 | 30 | 54 |
| 2015 | 40 | 75 |
| 2016 | 52 | 74 |
| 2017 | 54 | 75 |
| 2018 | 57 | 85 |
| 2019 | 78 | 123 |
| 2020 | 81 | 119 |
| 2021 | 94 | 125 |
| 2022 | 83 | 131 |
| 2023 | 81 | 110 |
| 2024 | 111 | 126 |
| 2025 | 88 | 84 |
| 2026 | 66 | 80 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 30/12By evaporation508
- G01N 30/08Using an enricher353
- G01N 30/14By elimination of some components297
- G01N 2030/062Extracting sample from raw materialIndexing code266
- G01N 2030/067By reactionIndexing code116
- G01N 30/10Using a splitter99
- G01N 2030/065Using different phases to separate parts of sampleIndexing code60
Recent patents
- Isolation and analysis of terpenes6 Oct 2026US 12,754,110 B2Orange Photonics, Inc.
- Analysis device and analysis method for quality index of natural gas product and application6 Oct 2026US 12,754,171 B2PetroChina Company Limited
- Monitoring analysis device and monitoring analysis method6 Oct 2026US 12,754,173 B2Shimadzu Corporation
- Predicted bias correction for drilling fluids15 Sep 2026US 12,736,516 B2Halliburton Energy Services.Inc.
- Chelator based eluents for solid phase extraction of phosphorylated compounds8 Sep 2026US 12,730,040 B2Waters Technologies Corporation
- Two-in-one chromatography systems for use with small volume samples and with automated liquid handlers8 Oct 2026US 2026/0306967 A1Integrated Micro-Chromatography Systems, Inc.
- Propane-position carbon isotope testing method and testing system8 Oct 2026US 2026/0309682 A1China Petroleum & Chemical Corporation
- Quantitative Analysis of Polysorbate Oxidation1 Oct 2026US 2026/0298885 A1
- Preparation liquid for analyzing hemoglobin component, and method for measuring hemoglobin component24 Sep 2026US 2026/0287560 A1Tosoh Corporation
- Phytofunctional compositions24 Sep 2026US 2026/0287561 A1
Most cited
By later US patents
- Method and apparatus for determination of analyte concentration307US 5,954,954 ASuprex Corporation · 1999
- Extraction and separation method and apparatus using supercritical fluid189US 5,013,443 ANihon Bunko Kogyo Kabushiki Kaisha · 1991
- Micro-reactor device for minute sample analysis179US 5,480,614 AHitachi, Ltd. · 1996
- Method and apparatus for sample analysis143US 6,865,926 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Portland State University · 2005
- Cartridge system for effecting sample acquisition and introduction137US 5,827,481 AHewlett-Packard Company · 1998