C04B 33/1327
Containing heavy metals
Official title: {containing heavy metals}
C04B33/1327 (Containing heavy metals) appears on 13 US grants and 10 published applications in this corpus.
Search patents in C04B- Granted patents
- 13
- Published applications
- 10
- Assignees
- 13
- Inventors
- 48
- 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biochar for stable solidification of heavy metals8 Sep 2026US 12,729,162 B2Chinese Research Academy of Environmental Sciences
- Method of making waterproof magnesium oxychloride refractory brick by fly ash from municipal solid waste incineration22 Mar 2022US 11,279,655 B2Tsinghua University
- Ceramic waste form production from used nuclear fuel24 Mar 2020US 10,600,527 B1U. S. Department of Energy
- Methods of consolidating radioactive containing materials by hot isostatic pressing17 Jun 2014US 8,754,282 B2American Isostatic Presses, Inc.
- Eco-resource slag effective utilization system16 Jul 2013US 8,486,262 B2Kantokanzai Co., Ltd.
- Biochar for stable solidification of heavy metals30 May 2024US 2024/0174572 A1Chinese Research Academy of Environmental Sciences
- Ceramic membrane and method for manufacturing ceramic membrane by recycling municipal solid waste incinerator fly ash31 Dec 2020US 2020/0407278 A1Tamkang University
- Method of making waterproof magnesium oxychloride refractory brick by fly ash from municipal solid waste incineration24 Dec 2020US 2020/0399182 A1Tsinghua University
- Ceramic waste form production from used nuclear fuel12 Mar 2020US 2020/0082955 A1Energy, United States Department of
- Beneficial reuse of drill cuttings14 Nov 2019US 2019/0345060 A1Newalta Corporation
Most cited
By later US patents
- 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
- Methods of treating nuclear hydroxyapatite materials9US 5,994,609 A1999