B28C 5/12
With stirrers sweeping through the materials
Official title: with stirrers sweeping through the materials {, e.g. with incorporated feeding or discharging means or with oscillating stirrers}
B28C5/12 (With stirrers sweeping through the materials) appears on 247 US grants and 227 published applications in this corpus.
Search patents in B28C- Granted patents
- 247
- Published applications
- 227
- Assignees
- 163
- Inventors
- 567
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 0 | 3 |
| 2002 | 12 | 3 |
| 2003 | 3 | 5 |
| 2004 | 4 | 3 |
| 2005 | 1 | 8 |
| 2006 | 4 | 7 |
| 2007 | 3 | 7 |
| 2008 | 2 | 10 |
| 2009 | 6 | 7 |
| 2010 | 6 | 9 |
| 2011 | 5 | 4 |
| 2012 | 2 | 7 |
| 2013 | 5 | 3 |
| 2014 | 2 | 5 |
| 2015 | 4 | 6 |
| 2016 | 2 | 8 |
| 2017 | 6 | 19 |
| 2018 | 12 | 10 |
| 2019 | 10 | 8 |
| 2020 | 14 | 18 |
| 2021 | 4 | 16 |
| 2022 | 15 | 17 |
| 2023 | 12 | 6 |
| 2024 | 10 | 17 |
| 2025 | 14 | 18 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B28C 5/1238For materials flowing continuously through the mixing device and with incorporated feeding94
- B28C 5/14The stirrers having motion about a horizontal or substantially horizontal axis83
- B28C 5/16The stirrers having motion about a vertical or steeply inclined axis61
- B28C 5/1215Independent stirrer-drive units24
- B28C 5/1223Discontinuously operating mixing devices22
- B28C 5/1207With means for elevating the stirrer9
Recent patents
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- Drywall Mud Mixing Device18 Jun 2026US 2026/0166777 A1
- Mixer7 May 2026US 2026/0124786 A1Saint-Gobain Placo
- Containerized concrete batch plant25 Dec 2025US 2025/0387949 A1Nj IP Holding Company LLC
- Apparatus and Method for Manufacturing Cementitious Slurry Comprising Foam, and Channel for Such Apparatus20 Nov 2025US 2025/0353212 A1
Most cited
By later US patents
- 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
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