B28C 5/08
Apparatus or methods for producing mixtures of cement with other substances: using
Official title: using driven mechanical means affecting the mixing (B28C5/40, B28C5/42, B28C5/48 take precedence; in combination with the action of a fluid B28C5/38)
B28C5/08 (Apparatus or methods for producing mixtures of cement with other substances: using) appears on 475 US grants and 406 published applications in this corpus.
Search patents in B28C- Granted patents
- 475
- Published applications
- 406
- Assignees
- 271
- Inventors
- 912
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 14 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 4 |
| 2002 | 17 | 7 |
| 2003 | 3 | 8 |
| 2004 | 6 | 9 |
| 2005 | 8 | 18 |
| 2006 | 7 | 16 |
| 2007 | 7 | 13 |
| 2008 | 4 | 19 |
| 2009 | 9 | 11 |
| 2010 | 16 | 11 |
| 2011 | 11 | 7 |
| 2012 | 3 | 11 |
| 2013 | 7 | 12 |
| 2014 | 5 | 12 |
| 2015 | 9 | 12 |
| 2016 | 9 | 27 |
| 2017 | 18 | 25 |
| 2018 | 19 | 14 |
| 2019 | 16 | 17 |
| 2020 | 22 | 31 |
| 2021 | 11 | 26 |
| 2022 | 20 | 23 |
| 2023 | 18 | 18 |
| 2024 | 17 | 28 |
| 2025 | 23 | 21 |
| 2026 | 12 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B28C 5/10Mixing in containers not actuated to effect the mixing255
- B28C 5/0806Details124
- B28C 5/18Mixing in containers to which motion is imparted to effect the mixing107
- B28C 5/34Mixing on or by conveyors34
- B28C 5/0893Mobile mixing devices31
- B28C 5/0881Having a stator-rotor system with intermeshing teeth or cages25
- B28C 5/0875Mixing in separate stages involving different containers for each stage22
- B28C 5/0887Provided with sieves or filters13
Recent patents
- Mixer autonomy mode22 Sep 2026US 12,741,395 B2Oshkosh Corporation
- Mixer1 Sep 2026US 12,722,327 B2Saint-Gobain Placo
- Container with interchangeable liner1 Sep 2026US 12,723,413 B2
- Cement premixer, a device for producing a concrete mixture and a method for producing a cement suspension11 Aug 2026US 12,703,122 B2SONOCRETE GmbH
- Mixing drum9 Jun 2026US 12,649,258 B2Oshkosh Corporation
- Wear resistant mixer paddle for use with abrasive slurries30 Jul 2026US 2026/0216918 A1United States Gypsum Company
- Mobile Batch Plant18 Jun 2026US 2026/0166776 A1Rufdiamond Ltd.
- Drywall Mud Mixing Device18 Jun 2026US 2026/0166777 A1
- Hardened gypsum body, and preparation method therefor and use thereof11 Jun 2026US 2026/0158703 A1Hubei Juhai Environmental Technology Co., Ltd.
- Mixer7 May 2026US 2026/0124786 A1Saint-Gobain Placo
Most cited
By later US patents
- Portable concrete mixer with weigh/surge systems163US 5,667,298 ACedarapids, Inc. · 1997
- Method for preparing uniformly foamed gypsum product with less foam agitation159US 5,683,635 AUnited States Gypsum Company · 1997
- Slurry mixer outlet106US 6,494,609 B1United States Gypsum Company · 2002
- Portable mixing/delivery apparatus for pre-blended granular mixtures95US 6,666,573 B22003
- Slurry mixer outlet93US 6,874,930 B2United States Gypsum Company · 2005