G01N 30/66
Thermal conductivity detectors
G01N30/66 (Thermal conductivity detectors) appears on 117 US grants and 104 published applications in this corpus.
Search patents in G01N- Granted patents
- 117
- Published applications
- 104
- Assignees
- 76
- Inventors
- 285
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 4 |
| 2003 | 4 | 1 |
| 2004 | 3 | 9 |
| 2005 | 3 | 4 |
| 2006 | 3 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 3 | 2 |
| 2013 | 2 | 2 |
| 2014 | 0 | 6 |
| 2015 | 5 | 7 |
| 2016 | 4 | 7 |
| 2017 | 5 | 5 |
| 2018 | 5 | 7 |
| 2019 | 6 | 7 |
| 2020 | 5 | 8 |
| 2021 | 7 | 4 |
| 2022 | 9 | 1 |
| 2023 | 3 | 5 |
| 2024 | 4 | 1 |
| 2025 | 3 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for enhanced detection and quantification of chemical species31 Mar 2026US 12,590,941 B1Koloma, Inc.
- Analysis apparatus, analysis method, and computer-readable recording medium for detecting deterioration in tcd17 Feb 2026US 12,553,870 B2Yokogawa Electric Corporation
- Thermal conductivity detector15 Jul 2025US 12,360,068 B2Shimadzu Corporation
- Thermal conductivity detector3 Jun 2025US 12,320,789 B2Shimadzu Corporation
- Unitary distribution plate and configurable diaphragm18 Mar 2025US 12,253,497 B2ABB Schweiz AG
- Methods of performing high-flow chromatography under adiabatic conditions3 Sep 2026US 2026/0259184 A1Waters Technologies Corporation
- Systems and methods for enhanced detection and quantification of chemical species9 Jul 2026US 2026/0194511 A1Koloma, Inc.
- Thermal Conductivity Detector (TCD) Based Gas Chromatography (GC) Device21 May 2026US 2026/0140096 A1ABB Schweiz AG
- Gas sensor12 Mar 2026US 2026/0072001 A1TDK Corporation
- Compact thermal conductivity housing for gas chromatograph2 Oct 2025US 2025/0305998 A1
Most cited
By later US patents
- Removing low frequency interference in a digital FM receiver115US 5,680,418 AEricsson Inc. · 1997
- Gas chromatography system and detector and method53US 4,471,647 ABoard of Regents of Stanford University · 1984
- Thermal conductivity detector38US 5,379,630 AHewlett-Packard Company · 1995
- Parallel gas chromatograph with microdetector array38US 6,701,774 B2Symyx Technologies, Inc. · 2004
- Electric circuits37US 4,080,821 ARosemount Engineering Company Limited · 1978