G01N 30/465
With specially adapted interfaces between the columns
Official title: {with specially adapted interfaces between the columns}
G01N30/465 (With specially adapted interfaces between the columns) appears on 119 US grants and 141 published applications in this corpus.
Search patents in G01N- Granted patents
- 119
- Published applications
- 141
- Assignees
- 75
- Inventors
- 227
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 3 | 8 |
| 2006 | 1 | 7 |
| 2007 | 5 | 7 |
| 2008 | 2 | 3 |
| 2009 | 6 | 2 |
| 2010 | 5 | 6 |
| 2011 | 0 | 8 |
| 2012 | 5 | 5 |
| 2013 | 6 | 7 |
| 2014 | 4 | 5 |
| 2015 | 5 | 7 |
| 2016 | 5 | 7 |
| 2017 | 7 | 9 |
| 2018 | 3 | 10 |
| 2019 | 12 | 9 |
| 2020 | 8 | 5 |
| 2021 | 8 | 9 |
| 2022 | 3 | 6 |
| 2023 | 6 | 4 |
| 2024 | 8 | 3 |
| 2025 | 4 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Apparatus and method of multi-dimensional chemical separation53US 5,196,039 ASouthern Illinois University at Carbondale · 1993
- Adjustable open-split interface for a gas chromatograph and a mass spectrometer26US 5,281,397 AGeneral Electric Company · 1994
- On-line coupled liquid and gas chromatography system24US 4,935,145 AThe Dow Chemical Company · 1990
- Switching system for a multidimensional gas chromatograph24US 5,108,468 AGeneral Electric Company · 1992
- Retention-time locked comprehensive multidimensional gas chromatography19US 6,494,078 B1Agilent Technologies, Inc. · 2002