G01N 2030/123
Using more than one trap
Official title: {using more than one trap}
G01N2030/123 (Using more than one trap) appears on 44 US grants and 23 published applications in this corpus.
Search patents in G01N- Granted patents
- 44
- Published applications
- 23
- Assignees
- 27
- Inventors
- 60
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 10 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 0 | 4 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 2 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Chromatographic apparatus for online enrichment of trace and ultra-trace components and method for analyzing trace and ultra-trace components using same27 Aug 2024US 12,072,321 B2Asicotech Company Limited
- Water removal method for gas concentration sampling, sampling method and device therefor12 Mar 2024US 11,927,572 B2Chengdu Colin Analysis Technology Co., Ltd.
- Thermal desorption tube collection system and method26 Dec 2023US 11,852,617 B2Mls Acq, Inc.
- System and method for real time monitoring of a chemical sample10 Jan 2023US 11,549,921 B2Entech Instruments Inc.
- Pyrolysis to determine hydrocarbon expulsion efficiency of hydrocarbon source rock6 Dec 2022US 11,518,941 B2Saudi Arabian Oil Company
- Volatile pfas-fvc analysis system and method24 Jul 2025US 2025/0237627 A1Entech Instruments Inc.
- Methods and Systems for Concentrating a Gas Sample21 Mar 2024US 2024/0094101 A1Mecanique Analytique Inc.
- Thermal desorption tube collection system and method11 Aug 2022US 2022/0252554 A1MLS ACQ, Inc. D/B/A Max Analytical Technologies
- Water removal method for gas concentration, sampling, and sample feeding method and device therefor13 Jan 2022US 2022/0011277 A1Chengdu Colin Analysis Technology Co., Ltd.
- Chromatographic apparatus for online enrichment of trace and ultra-trace components and method for analyzing trace and ultra-trace components using same25 Nov 2021US 2021/0364483 A1Asicotech (SHANGHAI) Company Limited
Most cited
By later US patents
- Chromatographic technique and apparatus83US 5,135,549 ABoard of Trustees of Southern Illinois University · 1992
- Micropump78US 6,720,710 B1Berkeley Microinstruments, Inc. · 2004
- 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