C10J 2300/0923
Sludge
Official title: Sludge, e.g. from water treatment plant
C10J2300/0923 (Sludge) appears on 87 US grants and 114 published applications in this corpus.
Search patents in C10J- Granted patents
- 87
- Published applications
- 114
- Assignees
- 66
- Inventors
- 232
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 7 |
| 2009 | 1 | 3 |
| 2010 | 0 | 7 |
| 2011 | 0 | 2 |
| 2012 | 4 | 3 |
| 2013 | 6 | 9 |
| 2014 | 4 | 8 |
| 2015 | 5 | 6 |
| 2016 | 6 | 1 |
| 2017 | 5 | 3 |
| 2018 | 2 | 3 |
| 2019 | 0 | 2 |
| 2020 | 6 | 10 |
| 2021 | 2 | 6 |
| 2022 | 4 | 10 |
| 2023 | 5 | 12 |
| 2024 | 5 | 5 |
| 2025 | 10 | 7 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for gasifying biomass14 Jul 2026US 12,680,038 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Thermal sludge to energy transformer14 Jul 2026US 12,680,695 B2Gate 5 Energy Partners, Inc.
- Systems and methods of processing waste to generate energy and green hydrogen27 Jan 2026US 12,534,677 B2Integrated Energy, LLC
- Inline particle size control for rotary drum drier recycle material30 Dec 2025US 12,510,295 B2Aries Clean Technologies LLC
- Chemical looping gasification method for iron-rich sludge23 Dec 2025US 12,503,659 B2Shandong University of Science and Technology
- Method for the treatment of complex waste24 Sep 2026US 2026/0285732 A1Suez International
- System and method for preparing hydrogen-rich syngas by taking biogas as composite gasification agent for gasification of biogas residue30 Apr 2026US 2026/0117134 A1Tianjin University
- Actively cooled screw feeder for gasification reactors19 Mar 2026US 2026/0078311 A1Aries Clean Technologies LLC
- Plasma/ionic reactor for processing biosolids materials5 Feb 2026US 2026/0035629 A1Cogent Energy Systems, Inc.
- System and method for producing clean syngas from biosolid materials having fluorocarbon materials therein5 Feb 2026US 2026/0035630 A1Cogent Energy Systems, Inc.
Most cited
By later US patents
- Integrated gasification process72US 4,353,713 A1982
- Partial oxidation of sewage sludge70US 4,983,296 ATexaco Inc. · 1991
- Filler on the basis of particulate composite56US 7,091,258 B2Ivoclar Vivadent AG · 2006
- Down-draft fixed bed gasifier system29US 4,929,254 ASET Technology B.V. · 1990
- Partial oxidation of sewage sludge29US 5,230,211 ATexaco Inc. · 1993