C04B 7/19
Portland cements
C04B7/19 (Portland cements) appears on 27 US grants and 20 published applications in this corpus.
Search patents in C04B- Granted patents
- 27
- Published applications
- 20
- Assignees
- 28
- Inventors
- 104
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 5 |
| 2024 | 3 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Slag-based hydraulic binder, dry mortar composition comprising same and system for activating a slag-based binder23 Jun 2026US 12,662,421 B2Sika Technology AG
- Reactive grinding aids and strength-enhancing agents for slag and other materials5 Aug 2025US 12,378,158 B1Verdment Brazil Ltda.
- Efficient integration of manufacturing of upcycled concrete product into power plants15 Oct 2024US 12,116,322 B2Arizona Board of Regents on behalf of Arizona State University
- Method for enhancing compressive strength of lead smelting water-quenched slag-based cementitious material by mechanical activation5 Mar 2024US 11,919,826 B1Xi'an University of Architecture and Technology
- Ultra-high performance concrete with waste brick powder and preparation method and application thereof20 Feb 2024US 11,905,213 B2Zhengzhou University
- Process for the combined manufacture of steel and cement clinker26 Sep 2024US 2024/0318271 A1Cambridge Enterprise Limited
- Cement dispersant comprising a naphthalenesulfonic acid polycondensate and at least one of a phosphorylated polycondensate and a polycarboxylate ether, and construction composition29 Aug 2024US 2024/0286955 A1Construction Research & Technology GmbH
- Efficient integration of manufacturing of upcycled concrete product into power plants22 Feb 2024US 2024/0059607 A1Arizona Board of Regents on behalf of Arizona State University
- Ultra-high performance concrete with waste brick powder and preparation method and application thereof28 Dec 2023US 2023/0416147 A1Zhengzhou University
- Elevator element, manufacturing method thereof and elevator9 Nov 2023US 2023/0357079 A1Kone Corporation
Most cited
By later US patents
- Process for producing a binder for slurry, mortar, and concrete39US 4,306,912 AFlowcon Oy · 1981
- Cement composition38US 6,840,996 B2Denki Kagaku Kogyo Kabushiki Kaisha · 2005
- Cement, method of preparing such cement and method of making products using such cement35US 5,084,102 AEerste Nederlandse Cement Industrie (ENCI) N. V. · 1992
- Cement composition and method for the preparation thereof19US 5,393,342 APelt & Hooykaas B.V. · 1995
- Method for treating granulated blast furnace slag15US 4,242,142 ABethlehem Steel Corporation · 1980