G01N 30/78
Using more than one detector
Official title: using more than one detector
G01N30/78 (Using more than one detector) appears on 156 US grants and 173 published applications in this corpus.
Search patents in G01N- Granted patents
- 156
- Published applications
- 173
- Assignees
- 130
- Inventors
- 447
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 4 |
| 2004 | 2 | 13 |
| 2005 | 7 | 7 |
| 2006 | 1 | 4 |
| 2007 | 2 | 4 |
| 2008 | 5 | 5 |
| 2009 | 5 | 5 |
| 2010 | 1 | 1 |
| 2011 | 4 | 5 |
| 2012 | 3 | 4 |
| 2013 | 5 | 8 |
| 2014 | 3 | 6 |
| 2015 | 10 | 11 |
| 2016 | 3 | 7 |
| 2017 | 3 | 7 |
| 2018 | 7 | 15 |
| 2019 | 8 | 16 |
| 2020 | 11 | 11 |
| 2021 | 13 | 10 |
| 2022 | 6 | 5 |
| 2023 | 4 | 2 |
| 2024 | 7 | 8 |
| 2025 | 7 | 6 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Analysis device and analysis method for quality index of natural gas product and application6 Oct 2026US 12,754,171 B2PetroChina Company Limited
- Spectroscopy systems and methods for analyzing liquids at vacuum ultraviolet (VUV) wavelengths27 Jan 2026US 12,535,408 B2VUV Analytics, Inc.
- System and method for detecting fluid mixture30 Dec 2025US 12,510,517 B2Tsinghua University
- Flow splitter for gas chromatography systems14 Oct 2025US 12,442,803 B2Leco Corporation
- Determination of antidepressants by mass spectrometry19 Aug 2025US 12,394,612 B2Quest Diagnostics Investments Incorporated
- Gas analyzer20 Aug 2026US 2026/0243739 A1Shimadzu Corporation
- Measuring method and measuring device for greenhouse gases2 Jul 2026US 2026/0185970 A1Shimadzu Corporation
- Gas chromatography instrument for determining a concentration of a volatile marker7 May 2026US 2026/0126419 A1Koninklijke Philips N. V.
- Process for differentiation of high-value natural essential oil-based aroma chemicals from synthetic analogues5 Mar 2026US 2026/0063603 A1Council of Scientific and Industrial Research
- Data processing device for liquid chromatograph26 Feb 2026US 2026/0056172 A1Shimadzu Corporation
Most cited
By later US patents
- Sensor devices234US 5,194,133 AGeneral Electric Company · 1993
- Portable gas chromatograph94US 5,611,846 ABoard of Supervisors of Louisiana State University and Agricultural and Mechanical College · 1997
- Sensor array for toxic gas detection77US 4,670,405 AThe United States of America as represented by the United States Department of Energy · 1987
- Method and system for gathering a library of response patterns for sensor arrays55US 5,106,756 AThe United States of America as represented by the United States Department of Energy · 1992
- Method and apparatus for concentrating samples for analysis53US 6,952,945 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Portland State University · 2005