G01N 2030/3023
Using cryogenic fluids
Official title: {using cryogenic fluids}
G01N2030/3023 (Using cryogenic fluids) appears on 32 US grants and 18 published applications in this corpus.
Search patents in G01N- Granted patents
- 32
- Published applications
- 18
- Assignees
- 24
- Inventors
- 69
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 4 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal modulator8 Sep 2026US 12,730,095 B2Leco Corporation
- Thermal modulator19 Dec 2023US 11,846,614 B2Leco Corporation
- Thermal modulator27 Jul 2021US 11,073,502 B2Leco Corporation
- Inverted wick type temperature control system16 Mar 2021US 10,948,461 B2Anton Paar Quantatec, Inc.
- Flow-field-induced temperature gradient gas chromatography5 May 2020US 10,641,748 B2
- Tandem evolved gas - gas chromatography - mass spectrometry28 May 2026US 2026/0146978 A1
- High-pressure fluid chromatography system using interior-to-exterior column pressure equalization26 Feb 2026US 2026/0055937 A1Supercritical Fluid Technologies, Inc.
- Thermal modulator3 Oct 2024US 2024/0329013 A1Leco Corporation
- Metal reinforced cryogenic trap for thermal desorber21 Mar 2024US 2024/0094172 A1
- Thermal Modulator18 Nov 2021US 2021/0356441 A1Leco Corporation
Most cited
By later US patents
- Gas chromatography methods and apparatus48US 5,028,243 AUniversity of Dayton · 1991
- Process and apparatus for determining the quality of impurities in a gas by chromatography in gas phase and utilization for measuring the quantity of doping impurities in silane45US 5,152,176 AL'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes · 1992
- Gas chromatography methods and apparatus44US 4,923,486 AUniversity of Dayton · 1990
- Gas chromatograph having cyro blast coolings34US 4,948,389 AHewlett-Packard Company · 1990
- On-column capillary gas chromatographic injector31US 4,422,860 AVarian Associates, Inc. · 1983