C04B 33/1325
Hazardous waste other than combustion residues
Official title: {Hazardous waste other than combustion residues (dredging sludge C04B33/1321)}
C04B33/1325 (Hazardous waste other than combustion residues) appears on 29 US grants and 24 published applications in this corpus.
Search patents in C04B- Granted patents
- 29
- Published applications
- 24
- Assignees
- 26
- Inventors
- 81
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 4 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 0 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biochar for stable solidification of heavy metals8 Sep 2026US 12,729,162 B2Chinese Research Academy of Environmental Sciences
- Building materials comprising digestate3 Dec 2024US 12,157,701 B2Renescience A/S
- Industrial solid waste based construction and technical ceramics23 Apr 2024US 11,964,914 B2Seramic Materials Limited
- Synergistic disposal method of hazardous waste incineration residues and solid wastes, ceramsite and application thereof23 Aug 2022US 11,420,906 B2Tianjin Yicheng Environmental Control and Testing Technology Co., Ltd.
- Method of making waterproof magnesium oxychloride refractory brick by fly ash from municipal solid waste incineration22 Mar 2022US 11,279,655 B2Tsinghua University
- Biochar for stable solidification of heavy metals30 May 2024US 2024/0174572 A1Chinese Research Academy of Environmental Sciences
- Synergistic disposal method of hazardous waste incineration residues and solid wastes, ceramsite and application thereof21 Oct 2021US 2021/0323877 A1Tianjin University of Technology
- Industrial solid waste based construction and technical ceramics1 Jul 2021US 2021/0198151 A1Seramic Materials Limited
- Building materials comprising digestate6 May 2021US 2021/0130238 A1Renescience A/S
- Ceramic membrane and method for manufacturing ceramic membrane by recycling municipal solid waste incinerator fly ash31 Dec 2020US 2020/0407278 A1Tamkang University
Most cited
By later US patents
- Method of treating spent potliner material from aluminum reduction cells22US 5,955,042 AGoldendale Aluminum Company · 1999
- Process for the chemical bonding of heavy metals from sludge in the silicate structure of clays and shales and the manufacture of building and construction materials therewith17US 4,882,067 ACeramic Bonding, Inc. · 1989
- Ceramic composition made from waste materials and method for manufacturing the same15US 6,342,461 B12002
- Safe ceramic encapsulation of hazardous waste with specific shale material10US 5,678,235 A1997
- Electric arc furnace dust as raw material for brick9US 5,278,111 A1994