B28C 9/0463
With a mixing discharge trough with a free end
Official title: {with a mixing discharge trough with a free end, e.g. provided with a mixing screw or pivotable about a vertical or horizontal axis}
B28C9/0463 (With a mixing discharge trough with a free end) appears on 60 US grants and 44 published applications in this corpus.
Search patents in B28C- Granted patents
- 60
- Published applications
- 44
- Assignees
- 22
- Inventors
- 61
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 5 |
| 2018 | 2 | 2 |
| 2019 | 3 | 1 |
| 2020 | 4 | 9 |
| 2021 | 4 | 3 |
| 2022 | 6 | 3 |
| 2023 | 4 | 4 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Motor mounting arrangement on a mixing auger127US 4,538,916 A1985
- Portable volumetric concrete mixer/silo111US 4,922,463 ADel Zotto Manufacturing Co. · 1990
- Portable mixing/delivery apparatus for pre-blended granular mixtures95US 6,666,573 B22003
- Fine and coarse aggregates conveying apparatus70US 4,601,629 A1986
- Mixing auger for concrete trucks64US 5,486,047 A1996