G01N 2030/3015
Temperature gradients along column
Official title: {temperature gradients along column}
G01N2030/3015 (Temperature gradients along column) appears on 54 US grants and 33 published applications in this corpus.
Search patents in G01N- Granted patents
- 54
- Published applications
- 33
- Assignees
- 23
- Inventors
- 102
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 7 | 1 |
| 2020 | 2 | 4 |
| 2021 | 0 | 3 |
| 2022 | 5 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dynamically adjusting set points for a heating/cooling element of a chromatography column using available information21 Jan 2025US 12,203,906 B2Waters Technologies Corporation
- Reducing thermal gradients in chromatography columns with sub-ambient cooling/super-ambient heating and radial distribution11 Jun 2024US 12,007,370 B2Waters Technologies Corporation
- Heaters and their use in temperature gradient and traveling wave chromatography15 Nov 2022US 11,499,949 B2PerkinElmer Health Sciences, Inc.
- Portable mems GC-MS system14 Jun 2022US 11,360,059 B2Mass Tech, Inc.
- Techniques for accelerating thermal equilibrium in a chromatographic column7 Jun 2022US 11,351,477 B2Waters Technologies Corporation
- Device for a gas chromatograph, in particular a temperature gradient gas chromatograph, and gas chromatograph having such a device8 May 2025US 2025/0146983 A1
- Constant analyte velocity for improved gas chromatography separation18 Aug 2022US 2022/0260533 A1
- Reducing thermal gradients in chromatography columns with sub-ambient cooling/super-ambient heating and radial distribution16 Dec 2021US 2021/0389284 A1Waters Technologies Corporation
- Dynamically adjusting set points for a heating/cooling element of a chromatography column using available information14 Oct 2021US 2021/0318273 A1Waters Technologies Corporation
- Heaters and their use in temperature gradient and traveling wave chromatography8 Jul 2021US 2021/0208115 A1PerkinElmer Health Sciences, Inc.
Most cited
By later US patents
- Fully integrated miniaturized planar liquid sample handling and analysis device556US 5,571,410 AHewlett-Packard Company · 1996
- Temperature control system for liquid chromatographic columns employing a thin film heater/sensor421US 4,484,061 ASys-Tec, Inc. · 1984
- Use of temperature control devices in miniaturized planar column devices and miniaturized total analysis systems214US 5,641,400 AHewlett-Packard Company · 1997
- Miniaturized planar columns in novel support media for liquid phase analysis207US 5,500,071 AHewlett-Packard Company · 1996
- Miniaturized planar columns for use in a liquid phase separation apparatus95US 6,033,628 AAgilent Technologies, Inc. · 2000