C02F 11/06
Treatment of sludge: by oxidation
Official title: by oxidation (incinerators for burning waste liquors, e.g. sulfite liquor from paper-making plant F23G7/04)
C02F11/06 (Treatment of sludge: by oxidation) appears on 576 US grants and 412 published applications in this corpus.
Search patents in C02F- Granted patents
- 576
- Published applications
- 412
- Assignees
- 372
- Inventors
- 1,303
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 8 | 0 |
| 1978 | 15 | 0 |
| 1979 | 9 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 18 | 0 |
| 1994 | 14 | 0 |
| 1995 | 16 | 0 |
| 1996 | 21 | 0 |
| 1997 | 15 | 0 |
| 1998 | 22 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 13 | 1 |
| 2002 | 12 | 8 |
| 2003 | 7 | 8 |
| 2004 | 10 | 14 |
| 2005 | 9 | 11 |
| 2006 | 4 | 12 |
| 2007 | 8 | 15 |
| 2008 | 9 | 15 |
| 2009 | 12 | 15 |
| 2010 | 12 | 17 |
| 2011 | 16 | 13 |
| 2012 | 8 | 12 |
| 2013 | 10 | 20 |
| 2014 | 6 | 16 |
| 2015 | 13 | 18 |
| 2016 | 10 | 14 |
| 2017 | 9 | 21 |
| 2018 | 20 | 20 |
| 2019 | 15 | 17 |
| 2020 | 16 | 22 |
| 2021 | 13 | 27 |
| 2022 | 19 | 17 |
| 2023 | 11 | 22 |
| 2024 | 14 | 19 |
| 2025 | 9 | 28 |
| 2026 | 13 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method embodiments for treating produced water using supercritical water desalination coupled with supercritical water oxidation6 Oct 2026US 12,753,101 B1Triad National Security, LLC
- Ore pelletizing compositions, devices, systems, and methods using automotive paint sludge as a binder15 Sep 2026US 12,734,565 B2Colorado School of Mines
- Apparatus and method for treating oil-containing sludge with metal-friched biochar4 Aug 2026US 12,698,227 B2Shenzhen Polytechnic
- Methods and systems for treating fluid using a biochemical process under vacuum pressure7 Jul 2026US 12,673,886 B2U.S. Peroxide, LLC
- Methods and systems for treating fluid using a biochemical process under vacuum pressure2 Jun 2026US 12,643,806 B2U.S. Peroxide, LLC
- Method for the treatment of complex waste24 Sep 2026US 2026/0285732 A1Suez International
- Synergistic integrated methods for processing hydrocarbon/organic matter containing water streams17 Sep 2026US 2026/0274728 A1
- Methods and systems for treating fluid using a biochemical process under vacuum pressure3 Sep 2026US 2026/0257953 A1U.S. Peroxide, LLC
- Remediation systems and thermal management systems13 Aug 2026US 2026/0233272 A1ASRC Energy Services, LLC
- Applying chemical oxygen demand and heating value diagnostics to enhance performance of a scwo process16 Jul 2026US 2026/0200782 A1374Water Inc.
Most cited
By later US patents
- Method for processing lignocellulosic material150US 6,555,350 B2Forskningscenter Riso · 2003
- Processing methods for the oxidation of organics in supercritical water136US 4,543,190 AModar, Inc. · 1985
- Processing methods for the oxidation of organics in supercritical water132US 4,338,199 AModar, Inc. · 1982
- Pressurized wet combustion at increased temperature108US 5,050,375 ADipac Associates · 1991
- Supercritical oxidation reactor100US 5,384,051 A1995