C04B 35/62204
Using waste materials or refuse
Official title: {using waste materials or refuse (clay-wares containing waste materials C04B33/132)}
C04B35/62204 (Using waste materials or refuse) appears on 203 US grants and 240 published applications in this corpus.
Search patents in C04B- Granted patents
- 203
- Published applications
- 240
- Assignees
- 199
- Inventors
- 590
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 10 | 0 |
| 2002 | 3 | 8 |
| 2003 | 1 | 4 |
| 2004 | 4 | 7 |
| 2005 | 4 | 8 |
| 2006 | 4 | 3 |
| 2007 | 3 | 3 |
| 2008 | 4 | 4 |
| 2009 | 4 | 15 |
| 2010 | 2 | 10 |
| 2011 | 8 | 9 |
| 2012 | 5 | 14 |
| 2013 | 9 | 5 |
| 2014 | 8 | 15 |
| 2015 | 6 | 10 |
| 2016 | 10 | 13 |
| 2017 | 8 | 9 |
| 2018 | 10 | 9 |
| 2019 | 7 | 13 |
| 2020 | 8 | 6 |
| 2021 | 8 | 14 |
| 2022 | 8 | 11 |
| 2023 | 9 | 14 |
| 2024 | 12 | 15 |
| 2025 | 7 | 11 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for preparing cremation crystals using catalyst obtained through reduction of phosphorus in skeletal remains29 Sep 2026US 12,747,514 B2
- Refractory lining design and separation via destructive hydration7 Apr 2026US 12,595,211 B2HarbisonWalker International, Inc.
- Two-stage sintering method for preparing porous biphasic calcium phosphate ceramic from calcium-containing biological waste7 Apr 2026US 12,595,212 B2Council of Agriculture, Executive Yuan
- Impurity removal method of silicate solid waste and its application31 Mar 2026US 12,589,420 B2Wuhan University of Technology
- Method for separating impurities from silicon carbide, and temperature-treated and purified silicon carbide powder24 Mar 2026US 12,583,752 B2ESK-SIC GmbH
- Method for preparing porous ceramic with uniform micro-nano pores8 Oct 2026US 2026/0308066 A1Central South University
- Ceramic particles for use in a solar power tower17 Sep 2026US 2026/0276244 A1Carbo Ceramics Inc.
- Method for producing recycled zirconia13 Aug 2026US 2026/0234067 A1National Institute for Materials Science
- Method for reducing carbon-based emissions and/or carbon-based casting defects during a moulding cycle of a moulding material containing smectite containing clay, said moulding cycle comprising two or more cycles16 Jul 2026US 2026/0199963 A1HüTtenes-Albertus Chemische Werke Gesellschaft Mit BeschräNkter Haftung
- Moulding material for producing a clay-bonded mould, and use thereof in a moulding material cycle16 Jul 2026US 2026/0200801 A1HüTtenes-Albertus Chemische Werke Gesellschaft Mit BeschräNkter Haftung
Most cited
By later US patents
- Alumina-zirconia abrasive165US 4,457,767 ANorton Company · 1984
- Method of obtaining a fiber-containing composite58US 4,944,904 AGeneral Electric Company · 1990
- Method of treating spent potliner material from aluminum reduction cells32US 5,723,097 AGoldendale Aluminum Company · 1998
- Process for treatment of reactive fines31US 5,613,996 APlasma Processing Corporation · 1997
- Sintered materials produced from zircon and zirconia30US 6,121,177 ASociete Europeenne des Produits Refractaires · 2000