C04B 7/26
From raw materials containing flue dust , i.e. fly ash
Official title: from raw materials containing flue dust {, i.e. fly ash (C04B7/243 takes precedence)}
C04B7/26 (From raw materials containing flue dust , i.e. fly ash) appears on 119 US grants and 131 published applications in this corpus.
Search patents in C04B- Granted patents
- 119
- Published applications
- 131
- Assignees
- 77
- Inventors
- 251
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 4 |
| 2013 | 6 | 9 |
| 2014 | 5 | 13 |
| 2015 | 12 | 18 |
| 2016 | 14 | 11 |
| 2017 | 5 | 3 |
| 2018 | 3 | 3 |
| 2019 | 11 | 7 |
| 2020 | 3 | 10 |
| 2021 | 6 | 9 |
| 2022 | 6 | 4 |
| 2023 | 7 | 7 |
| 2024 | 3 | 7 |
| 2025 | 7 | 9 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for clean and low-carbon in-situ disposal of waste incineration fly ash14 Jul 2026US 12,678,726 B2Zhejiang University
- Method of producing cement clinker and a second calcined material17 Mar 2026US 12,577,156 B2Amrize Technology Switzerland LLC
- Composite mineralizers/fluxes for the production of alite/calcium sulfoaluminate clinkers23 Dec 2025US 12,503,393 B2University of Kentucky Research Foundation
- Geopolymer formulations for construction materials9 Dec 2025US 12,492,147 B2Building Armour Industries LLC
- Compositions and methods for making blended supplementary cementitious materials7 Oct 2025US 12,435,000 B2Roman Cement, LLC
- Cement compositions and methods of making the same from waste27 Aug 2026US 2026/0250190 A1The Board of Trustees of The University of Alabama
- Use of recycled aggregates in a method of making compositions to promote marine-life20 Aug 2026US 2026/0242282 A1Partanna Global, Inc.
- Geopolymer Formulations for Construction Materials9 Jul 2026US 2026/0193134 A1
- Method of producing cement clinker from a source of calcium sulfate11 Jun 2026US 2026/0159444 A1Amrize Technology Switzerland LLC
- Geopolymer Construction Materials with Fire Resistant and Water Repellent Properties2 Apr 2026US 2026/0092007 A1
Most cited
By later US patents
- Masonry cement composition128US 4,268,316 AMartin Marietta Corporation · 1981
- Alkali activated supersulphated binder123US 6,409,819 B1International Mineral Technology AG · 2002
- Synthetic class C fly ash and use thereof as partial cement replacement in general purpose concrete112US 4,992,102 A1991
- Class F. fly ash containing settable composition for general purpose concrete having high early strength and method of making same98US 5,266,111 A1993
- Settable composition for general purpose concrete and method of making same98US 5,520,730 A1996