C04B 28/18
Containing mixtures of the silica-lime type
Official title: containing mixtures of the silica-lime type
C04B28/18 (Containing mixtures of the silica-lime type) appears on 548 US grants and 513 published applications in this corpus.
Search patents in C04B- Granted patents
- 548
- Published applications
- 513
- Assignees
- 298
- Inventors
- 1,106
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 10 | 0 |
| 1994 | 17 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 9 | 7 |
| 2003 | 8 | 7 |
| 2004 | 5 | 7 |
| 2005 | 6 | 6 |
| 2006 | 6 | 11 |
| 2007 | 5 | 5 |
| 2008 | 3 | 14 |
| 2009 | 5 | 10 |
| 2010 | 11 | 15 |
| 2011 | 6 | 11 |
| 2012 | 8 | 16 |
| 2013 | 7 | 14 |
| 2014 | 14 | 35 |
| 2015 | 12 | 15 |
| 2016 | 17 | 30 |
| 2017 | 23 | 45 |
| 2018 | 29 | 27 |
| 2019 | 33 | 25 |
| 2020 | 31 | 37 |
| 2021 | 21 | 34 |
| 2022 | 27 | 35 |
| 2023 | 29 | 39 |
| 2024 | 21 | 25 |
| 2025 | 29 | 23 |
| 2026 | 11 | 20 |
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.
- Hyaloclastite, sideromelane or tachylite pozzolan-based geopolymer cement and concrete and method of making and using same30 Jun 2026US 12,668,536 B2
- Gypsum based building material2 Jun 2026US 12,643,823 B2Knauf Gips KG
- Structural implant for bone repair19 May 2026US 12,629,457 B2Rutgers, The State University of New Jersey
- Carbonized brick of recycled concrete powders and preparation method thereof14 Apr 2026US 12,600,058 B2Shandong High-Speed Group Co., Ltd.
- In-line carbonation and 3d-printing of calcium silicate-based cement paste with cellular architecture24 Sep 2026US 2026/0284930 A1The Trustees of Princeton University
- Synthesis of cement from alternative raw materials and fuels that reduces or eliminates co2 emissions6 Aug 2026US 2026/0225957 A1Batuga Tech LLC
- Mechanochemical synthesis of hydraulically reactive cements30 Jul 2026US 2026/0217602 A1Georgia Tech Research Corporation
- Cementitious, self-binding material with reduced or no cement30 Jul 2026US 2026/0217604 A1King Abdullah University of Science and Technology
- Dental anhydrous varnish composition23 Jul 2026US 2026/0207437 A1Septodont Ou Septodont SAS Ou Specialites Septodont
Most cited
By later US patents
- Settable spotting fluid compositions and methods151US 6,138,759 AHalliburton Energy Services.Inc. · 2000
- Coal slag universal fluid139US 5,337,824 AShell Oil Company · 1994
- Low-cost, high early strength, acid-resistant pozzolanic cement139US 5,352,288 ADynastone LC · 1994
- Lightweight cement compositions and methods of cementing in subterranean formations136US 6,689,208 B1Halliburton Energy Services.Inc. · 2004
- Utilizing drilling fluid in well cementing operations124US 5,327,968 AHalliburton Company · 1994