B09C
Reclamation of contaminated soil
Official title: RECLAMATION OF CONTAMINATED SOIL (gatherers for removing stone or the like from the soil A01B43/00; sterilising soil by steam A01G11/00; removing undesirable matter, e.g. rubbish, from the land E01H15/00)
B09C (Reclamation of contaminated soil) appears on 3,357 US grants and 2,375 published applications in this corpus.
Search patents in B09C- Granted patents
- 3,357
- Published applications
- 2,375
- Assignees
- 1,818
- Inventors
- 6,440
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 14 | 0 |
| 1987 | 19 | 0 |
| 1988 | 27 | 0 |
| 1989 | 34 | 0 |
| 1990 | 40 | 0 |
| 1991 | 76 | 0 |
| 1992 | 98 | 0 |
| 1993 | 145 | 0 |
| 1994 | 149 | 0 |
| 1995 | 127 | 0 |
| 1996 | 158 | 0 |
| 1997 | 157 | 0 |
| 1998 | 145 | 0 |
| 1999 | 155 | 0 |
| 2000 | 122 | 0 |
| 2001 | 139 | 18 |
| 2002 | 94 | 107 |
| 2003 | 97 | 115 |
| 2004 | 79 | 116 |
| 2005 | 69 | 95 |
| 2006 | 72 | 99 |
| 2007 | 65 | 94 |
| 2008 | 72 | 109 |
| 2009 | 40 | 88 |
| 2010 | 72 | 89 |
| 2011 | 46 | 78 |
| 2012 | 54 | 80 |
| 2013 | 54 | 88 |
| 2014 | 60 | 96 |
| 2015 | 74 | 111 |
| 2016 | 55 | 87 |
| 2017 | 92 | 104 |
| 2018 | 73 | 91 |
| 2019 | 90 | 105 |
| 2020 | 83 | 111 |
| 2021 | 81 | 98 |
| 2022 | 59 | 93 |
| 2023 | 64 | 85 |
| 2024 | 66 | 79 |
| 2025 | 61 | 75 |
| 2026 | 42 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Control method and system of front-end conveying device for soil leaching remediation6 Oct 2026US 12,752,322 B2Central South University
- Silica-based nanoparticles for PFAS remediation6 Oct 2026US 12,752,323 B2Regents of the University of Minnesota
- Method for heat enhanced reductive bioremediation6 Oct 2026US 12,753,344 B2Tersus Environmental LLC
- Method for in-situ remediation of contaminated soil through multi-technology coupling29 Sep 2026US 12,746,586 B2Bceg Environment Remediation Co., Ltd
- Application of alkali-tolerant microbial bacteria PDC-1 and its in-situ remediation of organic contaminated soil in mining areas22 Sep 2026US 12,742,148 B2Chinese Research Academy of Environmental Sciences
- Equipment and method for removing a supernatant phase from a body of water in a polluted groundwater8 Oct 2026US 2026/0307123 A1ENI S. p. A.
- Complexated biomolecules for use in contaminated soil or groundwater cleanup8 Oct 2026US 2026/0308334 A1BlueHalo, LLC
- Method for extracting a solid energetic material from contaminated soil1 Oct 2026US 2026/0295646 A1
- Increasing carbon storage capacity and pollutant remediation in soils using applied hydrogel methods1 Oct 2026US 2026/0296986 A1University of Washington
- Enhanced Microbial Production of Biosurfactants and Other Products, and Uses Thereof17 Sep 2026US 2026/0273600 A1Locus Solutions Ipco, LLC
Most cited
By later US patents
- Vacuum method for removing soil contamination utilizing surface electrical heating367US 4,984,594 AShell Oil Company · 1991
- Electrical heater360US 6,023,554 AShell Oil Company · 2000
- Vacuum method for removing soil contaminants utilizing thermal conduction heating341US 5,318,116 AShell Oil Company · 1994
- Vacuum method for removing soil contaminants utilizing thermal conduction heating337US 5,190,405 AShell Oil Company · 1993
- Method for recovering contaminants from soil utilizing electrical heating315US 5,656,239 AShell Oil Company · 1997