C04B 2103/0028
According to api
Official title: {according to API}
C04B2103/0028 (According to api) appears on 124 US grants and 131 published applications in this corpus.
Search patents in C04B- Granted patents
- 124
- Published applications
- 131
- Assignees
- 44
- Inventors
- 239
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 4 |
| 2004 | 3 | 2 |
| 2005 | 1 | 4 |
| 2006 | 3 | 5 |
| 2007 | 3 | 2 |
| 2008 | 1 | 6 |
| 2009 | 1 | 3 |
| 2010 | 4 | 5 |
| 2011 | 4 | 4 |
| 2012 | 6 | 6 |
| 2013 | 6 | 6 |
| 2014 | 6 | 6 |
| 2015 | 1 | 3 |
| 2016 | 2 | 4 |
| 2017 | 4 | 5 |
| 2018 | 4 | 3 |
| 2019 | 22 | 19 |
| 2020 | 2 | 4 |
| 2021 | 3 | 1 |
| 2022 | 4 | 8 |
| 2023 | 7 | 8 |
| 2024 | 12 | 12 |
| 2025 | 4 | 3 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 2103/0035Type gIndexing code58
- C04B 2103/0036Type hIndexing code27
- C04B 2103/0029Type aIndexing code11
- C04B 2103/0031Type cIndexing code6
- C04B 2103/0034Type fIndexing code1
- C04B 2103/0038Type kIndexing code1
- C04B 2103/003Type bIndexing code0
- C04B 2103/0032Type dIndexing code0
All 10 subgroupsShow fewer
Recent patents
- Methods of repairing casings using a red mud sealant composition25 Aug 2026US 12,715,811 B2Saudi Arabian Oil Company
- Methods of sealing a water-bearing formation using a volcanic ash sealant composition18 Aug 2026US 12,709,705 B2Saudi Arabian Oil Company
- Carbon dioxide sequestered cement for well cementing26 May 2026US 12,637,607 B2Chevron U.S.A.Inc.
- Method of reacting CO2 by emulsifying concrete and use in oilwell cementing17 Feb 2026US 12,552,978 B2Saudi Arabian Oil Company
- High-strength Portland cement slurry for ultra-high temperature cementing, preparation method therefor and application thereof16 Dec 2025US 12,497,331 B2China National Petroleum Corporation
- Methods of repairing casings using a red mud sealant composition9 Jul 2026US 2026/0193133 A1Saudi Arabian Oil Company
- Methods of repairing casings using a volcanic ash sealant composition9 Jul 2026US 2026/0193450 A1Saudi Arabian Oil Company
- Methods of sealing a water-bearing formation using a volcanic ash sealant composition9 Jul 2026US 2026/0193517 A1Saudi Arabian Oil Company
- Methods of reducing circulation loss in a wellbore using a using a volcanic ash sealant composition9 Jul 2026US 2026/0193522 A1Saudi Arabian Oil Company
- Well Barriers For Subterranean Storage Of Carbon Dioxide5 Feb 2026US 2026/0035607 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Cementation product and use for cementing oil wells or the like137US 6,656,265 B1Schlumberger Technology Corporation · 2003
- Cement compositions for cementing wells, allowing pressure gas-channeling in the cemented annulus to be controlled111US 4,537,918 AEtudes et Fabrication Dowell Schlumberger · 1985
- Methods of cementing67US 6,793,730 B2Halliburton Energy Services.Inc. · 2004
- Low-density and low-porosity cementing slurry for oil wells or the like55US 6,626,991 B12003
- Modified polysaccharides47US 7,727,945 B2Akzo Nobel N. V. · 2010