B09C 1/002
Involving in-situ ground water treatment
Official title: {involving in-situ ground water treatment}
B09C1/002 (Involving in-situ ground water treatment) appears on 791 US grants and 709 published applications in this corpus.
Search patents in B09C- Granted patents
- 791
- Published applications
- 709
- Assignees
- 467
- Inventors
- 1,408
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 15 | 0 |
| 1994 | 18 | 0 |
| 1995 | 12 | 0 |
| 1996 | 21 | 0 |
| 1997 | 19 | 0 |
| 1998 | 25 | 0 |
| 1999 | 28 | 0 |
| 2000 | 29 | 0 |
| 2001 | 41 | 3 |
| 2002 | 22 | 39 |
| 2003 | 31 | 39 |
| 2004 | 33 | 30 |
| 2005 | 19 | 40 |
| 2006 | 24 | 40 |
| 2007 | 30 | 38 |
| 2008 | 30 | 43 |
| 2009 | 23 | 39 |
| 2010 | 27 | 26 |
| 2011 | 21 | 20 |
| 2012 | 15 | 17 |
| 2013 | 20 | 26 |
| 2014 | 18 | 19 |
| 2015 | 14 | 26 |
| 2016 | 19 | 25 |
| 2017 | 26 | 34 |
| 2018 | 24 | 22 |
| 2019 | 21 | 39 |
| 2020 | 27 | 30 |
| 2021 | 27 | 29 |
| 2022 | 14 | 23 |
| 2023 | 20 | 25 |
| 2024 | 21 | 11 |
| 2025 | 10 | 11 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and kit for remediation of environments contaminated with halogenated organic compounds15 Sep 2026US 12,734,568 B2Photon Remediation Technology N.V.
- System for in situ filtration of water supply25 Aug 2026US 12,715,786 B1Loureiro Engineering Associates, Inc.
- Methods and system for delivering amendments to subsurface14 Jul 2026US 12,678,845 B2Chevron U.S.A.Inc.
- Automated fluid injection system26 May 2026US 12,636,689 B2Cascade Drilling, L.P.
- Complexated biomolecules for use in contaminated soil or groundwater cleanup21 Apr 2026US 12,606,678 B2BlueHalo, LLC
- 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.
- System for in situ filtration of water supply27 Aug 2026US 2026/0250159 A1Loureiro Engineering Associates, Inc.
- Composite material for remedying soils with contamination of heavy metals and method therefor20 Aug 2026US 2026/0241363 A1Beijing University of Chemical Technology
- Passive groundwater treatment barrier system20 Aug 2026US 2026/0242248 A1
- Method and Composition for the Remediation of Contaminants30 Jul 2026US 2026/0216771 A1Orin Technologies, LLC
Most cited
By later US patents
- Methods for indication of at least one subsurface barrier characteristic and methods of use220US 7,234,895 B2Battelle Energy Alliance, LLC · 2007
- Isolation of soil with a low temperature barrier prior to conductive thermal treatment of the soil128US 6,854,929 B2Board of Regents, The University of Texas System · 2005
- In-situ remediation system and method for contaminated groundwater121US 4,832,122 AThe United States of America as represented by the United States Department of Energy · 1989
- Subsurface contaminant remediation, biodegradation and extraction methods and apparatuses101US 5,221,159 AEnvironmental Improvement Technologies, Inc. · 1993
- Floating layer recovery apparatus99US 4,998,585 AQ.E.D. Environmental Systems, Inc. · 1991