G01N 2030/6008
Capillary restrictors
Official title: {capillary restrictors}
G01N2030/6008 (Capillary restrictors) appears on 27 US grants and 20 published applications in this corpus.
Search patents in G01N- Granted patents
- 27
- Published applications
- 20
- Assignees
- 19
- Inventors
- 52
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scanning unit, system, and method4 Nov 2025US 12,461,074 B2ACE BioAnalysis Inc.
- GC interface assembly16 Nov 2021US 11,175,267 B2Micromass UK Limited
- Interface probe27 Oct 2020US 10,816,518 B2Micromass UK Limited
- Integrated particle trap for capillary plot columns7 Jul 2015US 9,075,068 B2Agilent Technologies, Inc.
- Non-seizing tapers for use in purged connections of capillary tubing used in gas chromatography30 Sep 2014US 8,845,794 B2
- High pressure fluid handling device for liquid chromatography8 Oct 2026US 2026/0309684 A1IDEX Health & Science LLC
- Spring loaded fitting for connecting and disconnecting capillaries13 Aug 2026US 2026/0235234 A1Agilent Technologies, Inc.
- Spring force limiting liquid chromatography fitting for connecting and disconnecting capillaries13 Aug 2026US 2026/0235235 A1Agilent Technologies, Inc.
- Spring force limiting liquid chromatography fitting for connecting and disconnecting capillaries13 Aug 2026US 2026/0235561 A1Agilent Technologies, Inc.
- Spring force limiting liquid chromatography fitting for connecting and disconnecting capillaries13 Aug 2026US 2026/0235562 A1Agilent Technologies, Inc.
Most cited
By later US patents
- Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography73US 5,601,707 AIsco, Inc. · 1997
- Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography55US 5,614,089 AIsco, Inc. · 1997
- Chromatography columns with cast porous plugs and methods of fabricating same41US 4,793,920 ALee Scientific, Inc. · 1988
- Restrictor heating in supercritical fluid chromatography41US 4,982,597 AHewlett-Packard Company · 1991
- Thermospray methods and apparatus for interfacing chromatography and mass spectrometry40US 4,902,891 AVestec Corporation · 1990