G01N 2030/167
On-column injection
Official title: {on-column injection}
G01N2030/167 (On-column injection) appears on 55 US grants and 29 published applications in this corpus.
Search patents in G01N- Granted patents
- 55
- Published applications
- 29
- Assignees
- 35
- Inventors
- 110
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 9 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Column device14 Apr 2026US 12,601,719 B2Roche Diagnostics Operations, Inc.
- Gas chromatograph24 Mar 2026US 12,584,891 B2Shimadzu Corporation
- Temperature-assisted on-column focusing17 Mar 2026US 12,576,344 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Pressure driven fluidic injection for chemical separations25 Apr 2023US 11,635,407 B2The University of North Carolina at Chapel Hill
- Method for separating diastereomers of pristane26 Apr 2022US 11,313,840 B2Northwest Institute of Eco-Environment and Resources, Cas
- Liquid chromatograph system and control method24 Sep 2026US 2026/0287564 A1Shimadzu Corporation
- Method and apparatus for material analysis9 Jul 2026US 2026/0194500 A1Samsung Electronics Co., Ltd.
- Gas chromatograph20 Jun 2024US 2024/0201141 A1Shimadzu Corporation
- Column device30 Nov 2023US 2023/0384269 A1Roche Diagnostics Operations, Inc.
- Method for separating diastereomers of pristane2 Dec 2021US 2021/0372973 A1Northwest Institute of Eco-Environment and Resources, Cas
Most cited
By later US patents
- High speed detection of vapors of specific compounds57US 5,092,155 AThermedics Inc. · 1992
- Vapor collector/desorber with non-conductive tube bundle55US 5,551,278 AThermedics Inc. · 1996
- Selective detection of explosives vapors45US 5,092,218 AThermedics Inc. · 1992
- Resistively heated gas chromatograph system44US 5,005,399 ABrunswick Corporation · 1991
- Selective detection with high speed gas chromatography35US 5,310,681 AThermedics Inc. · 1994