C04B 18/08
Flue dust , i.e. fly ash
Official title: Flue dust {, i.e. fly ash}
C04B18/08 (Flue dust , i.e. fly ash) appears on 358 US grants and 453 published applications in this corpus.
Search patents in C04B- Granted patents
- 358
- Published applications
- 453
- Assignees
- 281
- Inventors
- 1,049
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 15 |
| 2003 | 4 | 13 |
| 2004 | 15 | 12 |
| 2005 | 3 | 4 |
| 2006 | 0 | 5 |
| 2007 | 2 | 14 |
| 2008 | 9 | 10 |
| 2009 | 3 | 23 |
| 2010 | 9 | 10 |
| 2011 | 16 | 5 |
| 2012 | 9 | 11 |
| 2013 | 11 | 14 |
| 2014 | 9 | 11 |
| 2015 | 14 | 12 |
| 2016 | 8 | 12 |
| 2017 | 13 | 24 |
| 2018 | 14 | 17 |
| 2019 | 13 | 21 |
| 2020 | 12 | 27 |
| 2021 | 19 | 32 |
| 2022 | 22 | 30 |
| 2023 | 26 | 25 |
| 2024 | 30 | 33 |
| 2025 | 22 | 33 |
| 2026 | 14 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cement system for CO2 injection and sequestration in mafic/ultramafic rock and method of use8 Sep 2026US 12,729,607 B2Protostar Group Ltd.
- Cementitious binders for geopolymer, geopolymers, and uses thereof4 Aug 2026US 12,698,236 B2Sika Technology AG
- Heat and fire resistant geopolymer materials21 Jul 2026US 12,686,637 B2
- Compositions of steel-microfiber reinforced ultra high performance concrete (UHPC) using recycled glass powder and processes for making the same30 Jun 2026US 12,668,540 B2Integrated Composite Construction Systems, LLC
- Cementitious composition23 Jun 2026US 12,662,423 B2Summa-Magna 1 Corporation
- Hydraulic composition for ultra-high performance concrete and ultra-high performance grout8 Oct 2026US 2026/0308054 A1Sika Technology AG
- Hardened body of hydraulic composition8 Oct 2026US 2026/0308056 A1Kuraray Co., Ltd.
- Method for producing geopolymer material from silicate- and aluminate-rich waste8 Oct 2026US 2026/0308061 A1
- Composition and treatment method thereof for 3d pringting material8 Oct 2026US 2026/0308063 A1Nano and Advanced Materials Institute Limited
- High Tensile Strength Cementitious Matrix For Use In FRCM Systems17 Sep 2026US 2026/0274749 A1Universite Laval
Most cited
By later US patents
- Method for the recovery of minerals and production of by-products from coal ash109US 4,652,433 AFlorida Progress Corporation · 1987
- Lightweight cementitious compositions and methods of their production and use95US 5,580,378 A1996
- Method and apparatus for reducing carbon content in fly ash84US 5,513,755 AJTM Industries, Inc. · 1996
- Cement, reduced-carbon ash and controlled mineral formation using sub- and supercritical high-velocity free-jet expansion into fuel-fired combustor fireballs72US 6,240,859 B1Four Corners Group, Inc. · 2001
- Method for increasing the rate of compressive strength gain in hardenable mixtures containing fly ash71US 5,681,384 ANew Jersey Institute of Technology · 1997