C04B 33/138
From metallurgical processes
Official title: from metallurgical processes, e.g. slag, furnace dust, galvanic waste
C04B33/138 (From metallurgical processes) appears on 48 US grants and 39 published applications in this corpus.
Search patents in C04B- Granted patents
- 48
- Published applications
- 39
- Assignees
- 43
- Inventors
- 138
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 4 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 3 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 6 |
| 2020 | 2 | 2 |
| 2021 | 2 | 4 |
| 2022 | 3 | 0 |
| 2023 | 3 | 3 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Homogenizing method and device for mixing cow dung granules into clay bricks5 May 2026US 12,617,124 B2
- Usage of ferrochrome slag with optimized particle size as a blasting abrasive24 Feb 2026US 12,558,759 B2Saudi Arabian Oil Company
- Industrial solid waste based construction and technical ceramics23 Apr 2024US 11,964,914 B2Seramic Materials Limited
- Plant and method for the recovery of exhausted refractory material5 Mar 2024US 11,920,214 B2Deref S.P.A.
- Heating cooker using ceramic heating element and manufacturing method therefor7 Nov 2023US 11,805,937 B2Pellytech Co., Ltd.
- Lead-zinc tailings-based ceramsite21 May 2026US 2026/0138925 A1Henan Building Materials Research and Design Institute Co., Ltd.
- Porous material and method of forming the same29 May 2025US 2025/0171358 A1Industrial Technology Research Institute
- Homogenizing method and device for mixing cow dung granules into clay bricks8 Feb 2024US 2024/0042648 A1Inner Mongolia University of Technology
- Elaboration of ceramic materials made from refractory waste for high-temperature thermal energy storage applications11 Jan 2024US 2024/0010571 A1Seramic Materials Limited
- Usage of ferrochrome slag with optimized particle size as a blasting abrasive17 Aug 2023US 2023/0256566 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Synthetic aggregates comprising sewage sludge and other waste materials and methods for producing such aggregates40US 7,655,088 B2Alkemy, Ltd. · 2010
- Method of treating spent potliner material from aluminum reduction cells32US 5,723,097 AGoldendale Aluminum Company · 1998
- Method for producing light-weight molded articles containing ceramic fibers23US 4,735,756 ADidier-Werke AG · 1988
- Method of treating spent potliner material from aluminum reduction cells22US 5,955,042 AGoldendale Aluminum Company · 1999
- Ceramic composition made from waste materials and method for manufacturing the same15US 6,342,461 B12002