C04B 18/023
Fired or melted materials
Official title: {Fired or melted materials}
C04B18/023 (Fired or melted materials) appears on 129 US grants and 118 published applications in this corpus.
Search patents in C04B- Granted patents
- 129
- Published applications
- 118
- Assignees
- 112
- Inventors
- 324
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 7 |
| 2005 | 2 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 3 | 4 |
| 2009 | 0 | 3 |
| 2010 | 7 | 4 |
| 2011 | 1 | 3 |
| 2012 | 3 | 5 |
| 2013 | 4 | 1 |
| 2014 | 5 | 7 |
| 2015 | 4 | 5 |
| 2016 | 5 | 6 |
| 2017 | 1 | 2 |
| 2018 | 3 | 5 |
| 2019 | 5 | 6 |
| 2020 | 4 | 7 |
| 2021 | 5 | 5 |
| 2022 | 2 | 14 |
| 2023 | 4 | 5 |
| 2024 | 7 | 7 |
| 2025 | 7 | 12 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light weight ceramic aggregates made by agglomerating ceramic fibers22 Sep 2026US 12,741,908 B2Unifrax I LLC
- Nano-titanium dioxide/biochar composite, and preparation method and use thereof21 Apr 2026US 12,606,485 B2Quingdao University of Technology
- Method of preparing high-performance green building material based on combustion flue gas carbon dioxide mineralization23 Sep 2025US 12,421,171 B2Southeast University
- Lightweight solid waste porous aggregate, and preparation method and use thereof20 May 2025US 12,304,861 B1Inner Mongolia University of Technology
- Artificial agglomerate stone article comprising synthetic silicate granules8 Apr 2025US 12,269,771 B2Cosentino Research & Development, S.L.
- Phosphogypsum-based building material, and preparation and uset thereof29 Jan 2026US 2026/0028274 A1Hubei Juhai Environmental Technology Co., Ltd.
- Cementitious reagents, methods of manufacturing and uses thereof27 Nov 2025US 2025/0361179 A1Terra Co2 Technology Holdings, Inc.
- Method for preparing lightweight aggregates9 Oct 2025US 2025/0313510 A1Seegex
- Hybrid structural polymer-binder composite construction and paving material10 Jul 2025US 2025/0223445 A1New Village Initiative LLC
- Shaped Aggregate Reinforcements for Concrete26 Jun 2025US 2025/0206664 A1MAA'VA Inc.
Most cited
By later US patents
- Municipal solid waste disposal process92US 5,280,757 A1994
- Plasma torch furnace processing of spent potliner from aluminum smelters90US 5,222,448 AColumbia Ventures Corporation · 1993
- Process for forming aggregate; and product55US 5,500,044 AGreengrove Corporation · 1996
- Spheroidal slag particles and apparatus and process for producing spheroidal slag and fly ash particles53US 6,258,456 B1Black Diamond Granules, Inc. · 2001
- Method for producing insoluble industrial raw material from waste49US 5,087,375 AAggio Recovery · 1992