C04B 40/024
Steam hardening
Official title: {Steam hardening, e.g. in an autoclave}
C04B40/024 (Steam hardening) appears on 28 US grants and 31 published applications in this corpus.
Search patents in C04B- Granted patents
- 28
- Published applications
- 31
- Assignees
- 35
- Inventors
- 122
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 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 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 5 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for producing autoclaved aerated concrete using silica raw materials having higher solubility than quartz18 Aug 2026US 12,709,576 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Construction panel with high resistance to fire and a method for producing a construction panel with high resistance to fire17 Sep 2024US 12,091,854 B2Knauf Performance Materials GmbH
- 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
- Sound-absorbing material particle and preparation method thereof30 May 2023US 11,661,348 B2Goertek Inc.
- Method for producing construction aggregate from fly ash and the aggregate obtained with this method18 Apr 2023US 11,629,097 B2
- Cementitious, self-binding material with reduced or no cement30 Jul 2026US 2026/0217604 A1King Abdullah University of Science and Technology
- Core wall-thinning design method for prestressed high-performance concrete cylinder pipe22 Jan 2026US 2026/0022072 A1Zhengzhou University
- Processes for using reactive lime and/or magnesia-containing materials in concrete by low temperature and low-pressure hydrothermal densification processes and related compositions and apparatus2 Oct 2025US 2025/0304508 A1CarbonBuilt
- Fire resistant composite rebar for concrete structures25 Sep 2025US 2025/0296880 A1Saudi Arabian Oil Company
- Compositions and Methods for the Removal of Phosphates and Other Contaminants from Aqueous Solutions28 Aug 2025US 2025/0270115 A1NClear Inc.
Most cited
By later US patents
- Process for the manufacture of calcium silicate hydrate objects31US 4,131,638 AJohns Manville · 1978
- Modified polylactic acid, polymeric blends and methods of making the same24US 8,628,718 B2Fina Technology, Inc. · 2014
- Calcium silicate board and method of manufacturing same17US 6,139,620 AAsk S.A. · 2000
- Extruded fiber reinforced cementitious products having stone-like properties and methods of making the same14US 9,028,606 B2E. Khashoggi Industries · 2015
- Cement composition containing dune sand and limestone powder, concrete products and method for making concrete products11US 9,039,830 B2King Saud University · 2015