C04B 18/125
Slate residues
Official title: {Slate residues, e.g. colliery shale or oil shale or oil shale ash}
C04B18/125 (Slate residues) appears on 18 US grants and 9 published applications in this corpus.
Search patents in C04B- Granted patents
- 18
- Published applications
- 9
- Assignees
- 18
- Inventors
- 54
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 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 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Use of mineral fines to reduce clinker content of cementitious compositions26 Nov 2024US 12,151,974 B2Roman Cement, LLC
- Concrete with oil shale waste residue as aggregates and preparation method thereof29 Oct 2024US 12,129,203 B1Northeast Electric Power University
- Oil shale semicoke adsorption inhibitor and application thereof in concrete preparation5 Dec 2023US 11,834,373 B2Gansu Road & Bridge Construction Group
- Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings31 May 2022US 11,345,844 B2Southwest Petroleum University Enviormental Protection Technology (Chengdu) Co., Ltd
- Synthetic source rocks1 Feb 2022US 11,236,020 B2Saudi Arabian Oil Company
- Binder Composition and Method Thereof26 Sep 2024US 2024/0317645 A1
- Oil shale semicoke adsorption inhibitor and application thereof in concrete preparation17 Aug 2023US 2023/0257305 A1Gansu Road & Bridge Construction Group
- Use of mineral fines to reduce clinker content of cementitious compositions20 Jan 2022US 2022/0017419 A1Roman Cement, LLC
- Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings17 Dec 2020US 2020/0392393 A1Southwest Petroleum University Environmental Protection Technology(Chengdu) Co., Ltd
- High performance concretes and methods of making thereof2 Apr 2020US 2020/0102248 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Method of cementing well casing using a high temperature cement system15US 4,069,870 AUnion Oil Company of California · 1978
- Method for cementing high temperature wells15US 4,114,692 AUnion Oil Company of California · 1978
- High temperature cement system15US 4,144,077 AUnion Oil Company of California · 1979
- Method for coating mineral granules to improve bonding to hydrocarbon-based substrate and coloring of same15US 8,568,524 B2Michigan Technology University · 2013
- Method for cementing high temperature wells12US 4,200,153 AUnion Oil Company of California · 1980