C04B 7/522
After-treatment of ground cement
Official title: {After-treatment of ground cement (C04B7/368 takes precedence)}
C04B7/522 (After-treatment of ground cement) appears on 25 US grants and 25 published applications in this corpus.
Search patents in C04B- Granted patents
- 25
- Published applications
- 25
- Assignees
- 27
- Inventors
- 98
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 5 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 0 | 0 |
| 2022 | 0 | 7 |
| 2023 | 2 | 2 |
| 2024 | 6 | 3 |
| 2025 | 2 | 0 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Use of a hydraulic binder containing calcium aluminate for the production of a construction material12 May 2026US 12,623,963 B2ARDEX Group GmbH
- Method of producing cement clinker and a second calcined material17 Mar 2026US 12,577,156 B2Amrize Technology Switzerland LLC
- Carbon sequestration using hyaloclastite, volcanic ash and pumice pozzolan, cement and concrete using same and method of making and using same17 Feb 2026US 12,552,724 B2
- Hydraulic cement composition, process and use9 Sep 2025US 12,410,356 B2Petroleo Brasileiro S.A. - Petrobras
- Method for the manufacture of hydraulic binders from water treatment residuals15 Apr 2025US 12,275,673 B2ARDEX Group GmbH
- Hydraulic cement composition, process and use22 Aug 2024US 2024/0279530 A1Petroleo Brasileiro S.A. - Petrobras
- Carbon sequestration using hyaloclastite, volcanic ash and pumice pozzolan, cement and concrete using same and method of making and using same27 Jun 2024US 2024/0208875 A1
- Grinding stabilizing additive for vertical roller mills9 May 2024US 2024/0150237 A1GCP Applied Technologies Inc.
- Method of preparing recycled cementitious material by phosphogypsum-assisted carbon sequestration pretreatment process30 Nov 2023US 2023/0382790 A1Hubei University of Technology
- Method of producing cement clinker and a second calcined material5 Jan 2023US 2023/0002277 A1Holcim Technology Ltd
Most cited
By later US patents
- Method for producing cement52US 5,804,175 A1998
- Process for producing blended cements with reduced carbon dioxide emissions44US 6,936,098 B2Procedo Enterprises Etablissement · 2005
- Cement agglomeration31US 5,454,867 AHalliburton Company · 1995
- Method for the treatment of fly ash19US 6,818,058 B2Procedo Enterprises Etablissement · 2004
- Agglomeration of hydraulic cement powder15US 6,500,253 B2Halliburton Energy Services.Inc. · 2002