C02F 11/10
Treatment of sludge: by pyrolysis
Official title: by pyrolysis
C02F11/10 (Treatment of sludge: by pyrolysis) appears on 216 US grants and 211 published applications in this corpus.
Search patents in C02F- Granted patents
- 216
- Published applications
- 211
- Assignees
- 180
- Inventors
- 565
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 12 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 3 |
| 2006 | 1 | 6 |
| 2007 | 2 | 6 |
| 2008 | 2 | 6 |
| 2009 | 5 | 5 |
| 2010 | 3 | 3 |
| 2011 | 6 | 7 |
| 2012 | 2 | 3 |
| 2013 | 1 | 10 |
| 2014 | 7 | 6 |
| 2015 | 1 | 8 |
| 2016 | 7 | 11 |
| 2017 | 7 | 9 |
| 2018 | 5 | 6 |
| 2019 | 5 | 13 |
| 2020 | 9 | 14 |
| 2021 | 5 | 16 |
| 2022 | 14 | 17 |
| 2023 | 14 | 25 |
| 2024 | 8 | 14 |
| 2025 | 16 | 5 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gasification furnace operating method and gasification furnace18 Aug 2026US 12,709,714 B2Ebara Environmental Plant Co., Ltd.
- Water treatment method, water treatment system, carbonized combustion material, and method for producing carbonized combustion material24 Feb 2026US 12,559,399 B2Novelgen Co., Ltd.
- Method for manufacturing useful products containing carbonized solids by treating organic wastes containing heavy metals27 Jan 2026US 12,533,719 B2Matsui Consulting Firm Co., Ltd.
- Systems and methods of processing waste to generate energy and green hydrogen27 Jan 2026US 12,534,677 B2Integrated Energy, LLC
- Process for anaerobic digestion of carbonaceous material6 Jan 2026US 12,515,975 B2Suez International
- A fertiliser composition based on a biotised, sewage sludge pyrolysis product20 Aug 2026US 2026/0242304 A1Groown S.R.O.
- Removal of nitrogen from renewable products23 Jul 2026US 2026/0209615 A1Topsoe A/S
- Integrated devices for drying organic solid wastes and extracting metals and methods thereof9 Jul 2026US 2026/0193540 A1Harbin Normal University
- Method of biochar formation and machine for conversion of biomass to biochar11 Jun 2026US 2026/0159398 A1Rda Technologies Limited
- Tannic acid-modified iron-biochar conductive carrier and preparation method thereof and anaerobic treatment method for wastewater30 Apr 2026US 2026/0116797 A1Nankai University
Most cited
By later US patents
- Indirectly heated thermochemical reactor apparatus and processes143US 5,059,404 AManufacturing and Technology Conversion International, Inc. · 1991
- Apparatus and process for the pyrolysis of agricultural biomass113US 7,943,014 B2Agri-Therm Limited · 2011
- Process for detoxifying waste materials by steam reformation through endothermic gasification reactions104US 6,149,765 AManufacturing and Technology Conversion International, Inc. · 2000
- Indirectly heated thermochemical reactor apparatus and processes101US 5,306,481 AManufacturing and Technology Conversion International, Inc. · 1994
- Endothermic spent liquor recovery process89US 5,637,192 AManufacturing and Technology Conversion International, Inc. · 1997