C04B 2201/20
Mortars, concrete or artificial stone characterised by specific physical values: for the
Official title: for the density
C04B2201/20 (Mortars, concrete or artificial stone characterised by specific physical values: for the) appears on 277 US grants and 371 published applications in this corpus.
Search patents in C04B- Granted patents
- 277
- Published applications
- 371
- Assignees
- 180
- Inventors
- 820
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 3 |
| 2003 | 5 | 2 |
| 2004 | 4 | 10 |
| 2005 | 7 | 4 |
| 2006 | 5 | 10 |
| 2007 | 3 | 10 |
| 2008 | 4 | 8 |
| 2009 | 3 | 7 |
| 2010 | 13 | 8 |
| 2011 | 5 | 6 |
| 2012 | 9 | 11 |
| 2013 | 2 | 5 |
| 2014 | 6 | 9 |
| 2015 | 2 | 6 |
| 2016 | 6 | 14 |
| 2017 | 9 | 10 |
| 2018 | 9 | 29 |
| 2019 | 20 | 25 |
| 2020 | 27 | 28 |
| 2021 | 17 | 23 |
| 2022 | 13 | 21 |
| 2023 | 14 | 25 |
| 2024 | 21 | 41 |
| 2025 | 28 | 32 |
| 2026 | 14 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thixotropic slurry with enhanced reliability for use in a wellbore8 Sep 2026US 12,729,335 B2Halliburton Energy Services.Inc.
- 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.
- Compositions and methods for branched calcium lignosulfonate cement dispersants18 Aug 2026US 12,709,706 B2Saudi Arabian Oil Company
- Building materials and components and methods of making the same4 Aug 2026US 12,698,237 B2University of Wyoming
- Methods and compositions for polymer concrete and polymer mortar28 Jul 2026US 12,692,193 B2Saudi Arabian Oil Company
- Process for obtaining fibre-reinforced composite materials8 Oct 2026US 2026/0308065 A1Aeronautical Service S.R.L.
- Compositions of controlled crystal growths and methods of producing the same10 Sep 2026US 2026/0265127 A1
- Building materials and components and methods of making the same10 Sep 2026US 2026/0265146 A1University of Wyoming
- Geopolymer cementing composition3 Sep 2026US 2026/0258293 A1King Fahd University of Petroleum and Minerals
- Method for the Treatment of a Gypsum Recyclate13 Aug 2026US 2026/0234059 A1Knauf Gips KG
Most cited
By later US patents
- High temperature wellbore cement slurry319US 5,226,961 AShell Oil Company · 1993
- Methods of using settable compositions comprising cement kiln dust158US 7,077,203 B1Halliburton Energy Services.Inc. · 2006
- Settable spotting fluid compositions and methods151US 6,138,759 AHalliburton Energy Services.Inc. · 2000
- Lightweight cement compositions and methods of cementing in subterranean formations136US 6,689,208 B1Halliburton Energy Services.Inc. · 2004
- Settable fluids and methods for use in subterranean formations118US 6,908,508 B2Halliburton Energy Services.Inc. · 2005