G01N 30/467
All columns being identical
Official title: {all columns being identical}
G01N30/467 (All columns being identical) appears on 29 US grants and 36 published applications in this corpus.
Search patents in G01N- Granted patents
- 29
- Published applications
- 36
- Assignees
- 33
- Inventors
- 81
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 4 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 3 | 4 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 3 | 4 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Analysis system and analysis execution method20 May 2025US 12,306,148 B2Shimadzu Corporation
- Valve manifolds for simulated moving bed chromatography16 May 2023US 11,648,490 B2Cytiva Sweden AB
- Method and apparatus for chromatographic purification28 Feb 2023US 11,590,434 B2Merck Patent GmbH
- Single-use, disposable high-pressure liquid chromatography columns for high-throughput analysis20 Dec 2022US 11,531,009 B2PureHoney Technologies, Inc.
- High performance sub-ambient temperature multi-capillary column preconcentration system for volatile chemical analysis by gas chromatography2 Nov 2021US 11,162,925 B2Entech Instruments Inc.
- High pressure flow proportioning for staggered chromatography using a single pump27 Mar 2025US 2025/0102477 A1Waters Technologies Corporation
- Mutually independent dual online liquid chromatography device and control method thereof27 Jul 2023US 2023/0236158 A1Bertis Inc
- Analysis system and analysis execution method5 May 2022US 2022/0137011 A1Shimadzu Corporation
- Packing of Chromatography Columns10 Jun 2021US 2021/0170303 A1Cytiva BioProcess R&D AB
- Valve Manifolds for Simulated Moving Bed Chromatography25 Mar 2021US 2021/0086101 A1Cytiva Sweden AB
Most cited
By later US patents
- Separation media, multiple electrospray nozzle system and method61US 6,596,988 B2Advion BioSciences, Inc. · 2003
- Integrated instrument for supercritical fluid sample extraction, sample separation and concentration36US 5,198,115 AAnalytical Bio-Chemistry Laboratories, Inc. · 1993
- Method and device for parallel chromatography31US 6,197,198 B1Solvay Pharmaceuticals GmbH · 2001
- Chromatography method28US 7,901,581 B2GE Healthcare Bio-Sciences AB · 2011
- Methods and apparatus for gel-free qualitative and quantitative proteome analysis, and uses therefore22US 6,908,740 B22005