G01N 1/2294
Sampling soil gases or the like
Official title: {Sampling soil gases or the like}
G01N1/2294 (Sampling soil gases or the like) appears on 136 US grants and 131 published applications in this corpus.
Search patents in G01N- Granted patents
- 136
- Published applications
- 131
- Assignees
- 112
- Inventors
- 282
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 5 |
| 2004 | 3 | 8 |
| 2005 | 2 | 2 |
| 2006 | 3 | 1 |
| 2007 | 5 | 4 |
| 2008 | 1 | 4 |
| 2009 | 5 | 4 |
| 2010 | 0 | 3 |
| 2011 | 2 | 3 |
| 2012 | 1 | 6 |
| 2013 | 4 | 8 |
| 2014 | 7 | 3 |
| 2015 | 4 | 1 |
| 2016 | 3 | 5 |
| 2017 | 6 | 10 |
| 2018 | 3 | 4 |
| 2019 | 5 | 8 |
| 2020 | 8 | 6 |
| 2021 | 8 | 10 |
| 2022 | 7 | 5 |
| 2023 | 7 | 7 |
| 2024 | 8 | 7 |
| 2025 | 4 | 9 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Passive diffusion bag samplers with improved performance18 Aug 2026US 12,710,340 B2Aeris Scientific, LLC
- Automatic sampling device and method for determining greenhouse gas emission flux from farmland28 Apr 2026US 12,613,165 B2Zhejiang University
- System, apparatus and method for landfill gas sensing14 Apr 2026US 12,601,659 B2The Remediation Group Pty Ltd.
- Soil respiration device, a system having such devices, and methods of using the systems13 Jan 2026US 12,523,578 B2
- Gas sampling valve apparatus and method25 Nov 2025US 12,480,844 B1Stratum Reservoir (US), LLC
- System for sampling gas from a solid porous medium24 Sep 2026US 2026/0287478 A1Engie
- Tube for volatile and semi-volatile compound sampling and sampling process13 Aug 2026US 2026/0235479 A1Vsol AnáLises Ambientais Ltda
- Soil contamination evaluation method13 Aug 2026US 2026/0235574 A1Shimizu Corporation
- Method for extracting volatile material from moon soil, and gas collection system using the same23 Jul 2026US 2026/0210813 A1Korea Institute of Geoscience and Mineral Resources
- System and method for analyzing carbon isotopes of carbon dioxide in inclusions21 May 2026US 2026/0140097 A1Beijing Urban Construction Exploration & Surveying Design Research Institute Co., Ltd
Most cited
By later US patents
- Landfill gas extraction constant flow control method and device78US 6,999,883 B12006
- Soil analysis assembly and system73US 5,887,491 AAg-Chem Equipment Co., Inc. · 1999
- Method of underground fluid sampling72US 4,804,050 AK-V Associates, Inc. · 1989
- Environmental contamination detection and analyzing system and method63US 5,010,776 AIIT Research Institute · 1991
- Designs for enhanced reliability and calibration of landfill gas measurement and control devices49US 10,705,063 B2Loci Controls, Inc. · 2020