G01N 2001/227
Separating gas from solid
Official title: {separating gas from solid, e.g. filter}
G01N2001/227 (Separating gas from solid) appears on 79 US grants and 72 published applications in this corpus.
Search patents in G01N- Granted patents
- 79
- Published applications
- 72
- Assignees
- 74
- Inventors
- 198
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 6 |
| 2004 | 3 | 9 |
| 2005 | 1 | 2 |
| 2006 | 6 | 0 |
| 2007 | 4 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 4 |
| 2017 | 0 | 2 |
| 2018 | 1 | 5 |
| 2019 | 7 | 2 |
| 2020 | 3 | 7 |
| 2021 | 2 | 4 |
| 2022 | 1 | 3 |
| 2023 | 5 | 12 |
| 2024 | 7 | 3 |
| 2025 | 5 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gasification tar monitoring system, gasification tar monitoring method and gasification tar monitoring device27 Jan 2026US 12,535,421 B2Civil Aviation University of China
- Diluter, analysis system, and analysis method13 Jan 2026US 12,523,581 B2Horiba, Ltd.
- Gas measuring device and gas measuring system9 Dec 2025US 12,492,967 B2National University Corporation Toyohashi University of Technology
- Modular platform for measuring volatile organic compound profiles from exhaled breath and correlating those profiles to physiological and pathological states10 Sep 2026US 2026/0269021 A1
- Analyzing gases from inclusions in minerals17 Jul 2025US 2025/0231155 A1Saudi Arabian Oil Company
- Optical extinction analyzer with continuous airflow sampling22 May 2025US 2025/0164393 A1Nikira Labs Inc.
- Gas analysis device, gas analysis method, and program for gas analysis device30 Jan 2025US 2025/0035544 A1Horiba, Ltd.
- Method for determining the absolute humidity and apparatus for carrying out the method19 Dec 2024US 2024/0416269 A1ATEX Explosionsschutz GmbH
Most cited
By later US patents
- Dilution stack sampling apparatus34US 5,423,228 AMonitor Labs, Inc. · 1995
- Carbon black sampling for particle surface area measurement using laser-induced incandescence and reactor process control based thereon34US 7,167,240 B2Columbian Chemicals Company · 2007
- Filter assembly for gas analyzer27US 5,049,170 AAndros Incorporated · 1991
- Fast mixing condensation nucleus counter27US 6,567,157 B1California Institute of Technology · 2003
- Inertial dilution filter probe26US 5,237,881 AAnarad, Inc. · 1993