F23G 2209/24
Contaminated soil
Official title: Contaminated soil; foundry sand
F23G2209/24 (Contaminated soil) appears on 40 US grants and 22 published applications in this corpus.
Search patents in F23G- Granted patents
- 40
- Published applications
- 22
- Assignees
- 28
- Inventors
- 91
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for thermal remediation of contaminant impacted media with hybrid energy systems13 Jan 2026US 12,523,373 B1
- Method and system for pyrolysis9 Dec 2025US 12,492,345 B2Royal Melbourne Institute of Technology
- Method for the destruction of organic contaminants through smoldering combustion19 Jul 2022US 11,389,845 B2Geosyntec Consultants, Inc.
- Method for manipulating smoldering combustion to remediate porous media impacted by recalcitrant compounds22 Mar 2022US 11,278,942 B2Geosyntec Consultants, Inc.
- Method for the destruction of organic contaminants through smoldering combustion30 Mar 2021US 10,960,446 B2Geosyntec Consultants, Inc.
- System and Method for Pyrolysis26 Mar 2026US 2026/0085243 A1Royal Melbourne Institute of Technology
- Vacuum-assisted bulk material treatment23 Oct 2025US 2025/0327571 A11078822 B.C. Ltd.
- Vacuum-assisted bulk material treatment23 Oct 2025US 2025/0327572 A11078822 B.C. Ltd.
- Systems and methods for thermal destruction of undesired substances by smoldering combustion29 Aug 2024US 2024/0286180 A1Chevron U.S.A.Inc.
- Method and arrangement for treating a mineral solid mixture26 Jan 2023US 2023/0028601 A1Grenzebach Bsh GmbH
Most cited
By later US patents
- Adsorption powder for removing mercury from high temperature, high moisture gas streams86US 6,533,842 B1Merck & Co., Inc. · 2003
- Process for treating metal-contaminated materials48US 5,556,447 APhysical Sciences, Inc. · 1996
- Oxygen-enriched gas burner for incinerating waste materials46US 5,724,901 AGaz Metropolitan and Company Limited · 1998
- Apparatus and process for removing drilling fluid from drill cuttings46US 6,530,438 B12003
- System and method for the treatment of hazardous waste material31US 5,471,937 AMEI, Inc. · 1995