C04B 38/04
Porous mortars, concrete, artificial stone or ceramic ware: by dissolving-out added substances
Official title: by dissolving-out added substances
C04B38/04 (Porous mortars, concrete, artificial stone or ceramic ware: by dissolving-out added substances) appears on 89 US grants and 80 published applications in this corpus.
Search patents in C04B- Granted patents
- 89
- Published applications
- 80
- Assignees
- 99
- Inventors
- 285
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 3 | 2 |
| 2006 | 1 | 7 |
| 2007 | 0 | 2 |
| 2008 | 4 | 2 |
| 2009 | 0 | 6 |
| 2010 | 2 | 1 |
| 2011 | 4 | 9 |
| 2012 | 1 | 3 |
| 2013 | 3 | 7 |
| 2014 | 3 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 7 |
| 2017 | 3 | 1 |
| 2018 | 7 | 5 |
| 2019 | 1 | 4 |
| 2020 | 2 | 5 |
| 2021 | 2 | 4 |
| 2022 | 5 | 0 |
| 2023 | 3 | 1 |
| 2024 | 5 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Additive manufacture-assisted method for making structural elements having controlled failure characteristics15 Jul 2025US 12,358,225 B2Saudi Arabian Oil Company
- Non-sintered high-strength lightweight aggregate one-shot prepared from sulfur-based and alkaline-based solid wastes by stirring, granulation, foaming, preparation method therefor and use thereof15 Oct 2024US 12,116,313 B1Hubei Changyao New Materials Co., Ltd.
- Hierarchical printed product and composition and method for making the same6 Aug 2024US 12,054,569 B1Triad National Security, LLC
- Particulate composite ceramic material, part comprising said material, and method for the preparation of said part16 Jul 2024US 12,037,292 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Self-assembly of shell-based architected materials11 Jun 2024US 12,006,404 B2California Institute of Technology
- Composition of flexible ceramic nanofibers for thermal insulation applications and method thereof20 Aug 2026US 2026/0242296 A1
- Alumina porous material and its preparation and application25 Jun 2026US 2026/0175210 A1China Petroleum & Chemical Corporation
- Method for the additive manufacturing of casting molds3 Oct 2024US 2024/0326119 A1ETH Zurich
- Additive manufacture-assisted method for making structural elements having controlled failure characteristics19 Oct 2023US 2023/0330936 A1Saudi Arabian Oil Company
- Self-assembly of shell-based architected materials4 Nov 2021US 2021/0340334 A1California Institute of Technology
Most cited
By later US patents
- Three dimensionally periodic structural assemblies on nanometer and longer scales129US 6,261,469 B1Honeywell International Inc. · 2001
- Method of fabricating graphite for use as a skeletal prosthesis and product thereof103US 4,070,514 AThe United States of America as represented by the United States Department of Energy · 1978
- Composition and method for making a proppant88US 7,867,613 B2Oxane Materials, Inc. · 2011
- Process for the preparation of porous material86US 5,958,314 A1999
- Ceramic composite material and porous ceramic material77US 5,981,415 AUbe Industries, Ltd. · 1999