G01N 2030/3069
Electrical resistance used to determine control temperature
Official title: {electrical resistance used to determine control temperature}
G01N2030/3069 (Electrical resistance used to determine control temperature) appears on 25 US grants and 12 published applications in this corpus.
Search patents in G01N- Granted patents
- 25
- Published applications
- 12
- Assignees
- 10
- Inventors
- 52
- Latest grant
- 7 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 10 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 5 | 3 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Techniques for accelerating thermal equilibrium in a chromatographic column7 Jun 2022US 11,351,477 B2Waters Technologies Corporation
- Chromatographic system temperature control system10 Dec 2019US 10,502,721 B2Valco Instruments Company, L.P.
- Techniques for accelerating thermal equilibrium in a chromatographic column19 Nov 2019US 10,478,750 B2Waters Technologies Corporation
- Chromatographic system temperature control system19 Nov 2019US 10,481,136 B2Valco Instruments Company, L.P.
- Chromatographic system temperature control system19 Nov 2019US 10,481,137 B2Valco Instruments Company, L.P.
- Intelligent automatic control system for mine gas chromatographs and its control method6 Jul 2023US 2023/0213488 A1
- Techniques for accelerating thermal equilibrium in a chromatographic column7 May 2020US 2020/0139264 A1Waters Technologies Corporation
- Chromatographic System Temperature Control System24 Oct 2019US 2019/0323999 A1Valco Instruments Company, L.P.
- Chromatographic System Temperature Control System29 Aug 2019US 2019/0265208 A1Valco Instruments Company, L.P.
- Chromatographic System Temperature Control System29 Aug 2019US 2019/0265209 A1Valco Instruments Company, L.P.
Most cited
By later US patents
- Temperature control system for liquid chromatographic columns employing a thin film heater/sensor421US 4,484,061 ASys-Tec, Inc. · 1984
- High speed gas chromatography68US 5,808,178 AThermedics Detection Inc. · 1998
- 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