C04B 40/02
Selection of the hardening environment
C04B40/02 (Selection of the hardening environment) appears on 325 US grants and 398 published applications in this corpus.
Search patents in C04B- Granted patents
- 325
- Published applications
- 398
- Assignees
- 274
- Inventors
- 948
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 4 |
| 2002 | 4 | 3 |
| 2003 | 3 | 2 |
| 2004 | 4 | 4 |
| 2005 | 0 | 2 |
| 2006 | 2 | 6 |
| 2007 | 2 | 2 |
| 2008 | 0 | 8 |
| 2009 | 2 | 5 |
| 2010 | 2 | 0 |
| 2011 | 1 | 7 |
| 2012 | 2 | 8 |
| 2013 | 2 | 3 |
| 2014 | 8 | 16 |
| 2015 | 10 | 24 |
| 2016 | 8 | 12 |
| 2017 | 10 | 16 |
| 2018 | 13 | 23 |
| 2019 | 11 | 20 |
| 2020 | 20 | 27 |
| 2021 | 9 | 25 |
| 2022 | 20 | 31 |
| 2023 | 25 | 36 |
| 2024 | 21 | 46 |
| 2025 | 30 | 43 |
| 2026 | 19 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 40/0231Carbon dioxide hardening136
- C04B 40/0263Hardening promoted by a rise in temperature46
- C04B 40/0277Hardening promoted by using additional water31
- C04B 40/024Steam hardening28
- C04B 40/0204Making use of electric or wave energy or particle radiation22
- C04B 40/0259Hardening promoted by a rise in pressure15
- C04B 40/0295Inhomogeneous curing or hardening12
- C04B 40/0272Hardening under vacuum or reduced pressure6
All 10 subgroupsShow fewer
Recent patents
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- Graphene oxide fine aggregate in cement composites7 Jul 2026US 12,673,894 B2Washington State University
- Compositions and methods relating to increased carbon dioxide uptake in mixing and curing of concrete5 May 2026US 12,617,717 B2Saudi Arabian Oil Company
- Method and apparatus for binding carbon dioxide, obtained product and use thereof1 Oct 2026US 2026/0296982 A1Carbonaide Oy
- System and Method for Monolithic Fusion24 Sep 2026US 2026/0285773 A1
- Compositions and methods of making cementitious binders10 Sep 2026US 2026/0265133 A1
- Cement compositions and methods of making the same from waste27 Aug 2026US 2026/0250190 A1The Board of Trustees of The University of Alabama
- Material preparation systems and related devices and methods of preparing cementitious materials27 Aug 2026US 2026/0250209 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Method for the manufacture of concrete and like products102US 4,093,690 AU.S. Terrazzo Panels, Inc. · 1978
- Process and plant for manufacture of aerated concrete102US 4,902,211 ASvanholm Engineering AB · 1990
- Method and apparatus for curing concrete products99US 4,427,610 AConger/Murray Systems, Inc. · 1984
- Methods of sealing expandable pipe in well bores and sealing compositions92US 6,722,433 B2Halliburton Energy Services.Inc. · 2004
- Method of casting concrete89US 4,362,679 A1982