B28C 9/004
Making slurries
Official title: {Making slurries, e.g. with discharging means for injecting in a well or projecting against a wall}
B28C9/004 (Making slurries) appears on 49 US grants and 54 published applications in this corpus.
Search patents in B28C- Granted patents
- 49
- Published applications
- 54
- Assignees
- 25
- Inventors
- 127
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 5 |
| 2003 | 3 | 5 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 4 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 4 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 4 |
| 2020 | 1 | 4 |
| 2021 | 1 | 2 |
| 2022 | 4 | 3 |
| 2023 | 4 | 1 |
| 2024 | 3 | 6 |
| 2025 | 4 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cement mixer and multiple purpose pumper (CMMP) for land rig14 Oct 2025US 12,442,271 B2Schlumberger Technology Corporation
- Methodology and system for utilizing rig power and mud pump assembly5 Aug 2025US 12,378,841 B2Schlumberger Technology Corporation
- Methodology and system for utilizing rig mud pump assembly10 Jun 2025US 12,326,061 B2Schlumberger Technology Corporation
- Systems for bulk blending of cement powders25 Mar 2025US 12,257,740 B2Adaptive Industrial, Inc.
- Centrifugal intelligent construction device for excavation concrete structure, and application thereof17 Sep 2024US 12,091,974 B2Zhejiang University
- Drywall Mud Mixing Device18 Jun 2026US 2026/0166777 A1
- Cement dry additive system26 Feb 2026US 2026/0054416 A1Schlumberger Technology Corporation
- Cement mixer and multiple purpose pumper (cmmp) for land rig5 Feb 2026US 2026/0034844 A1Schlumberger Technology Corporation
- Methodology and system for utilizing rig power and mud pump assembly20 Nov 2025US 2025/0354454 A1Schlumberger Technology Corporation
- Cement mixer and multiple purpose pumper (cmmp) for land rig26 Sep 2024US 2024/0318525 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Pivoting skid blender trailer235US 4,311,395 AHalliburton Company · 1982
- Continuous multi-component slurrying process at oil or gas well121US 5,570,743 AHalliburton Company · 1996
- Cementitious coatings and method68US 4,088,804 A1978
- Mud-mixing machine for drywall texturing and other applications38US 5,570,953 A1996
- Process of cementing wells28US 4,003,431 AByron Jackson Inc. · 1977