B01F 25/901
Using one central conveyor or several separate conveyors
Official title: {using one central conveyor or several separate conveyors, e.g. belt, screw conveyors or vibrating tables, for discharging flows from receptacles, e.g. in layers}
B01F25/901 (Using one central conveyor or several separate conveyors) appears on 15 US grants and 2 published applications in this corpus.
Search patents in B01F- Granted patents
- 15
- Published applications
- 2
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 13 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Continuous multi-chamber process13 Sep 2022US 11,439,961 B2
- Color blending apparatus7 May 2002US 6,382,947 B1Hengestone Holdings, Inc.
- Portable and modular batching and mixing plant for concrete and the like13 Feb 2001US 6,186,654 B1Guntert & Zimmerman Construction Division, Inc.
- Plant for continuous mixing and homogenization6 May 1997US 5,627,346 ABuhler AG
- Plant for continuous mixing and homgenization18 Jun 1996US 5,527,107 ABuehler AG
Most cited
By later US patents
- Programmable weight sensitive microingredient feed additive delivery system and method120US 4,733,971 AMicro Chemical, Inc. · 1988
- Portable and modular batching and mixing plant for concrete and the like114US 6,186,654 B1Guntert & Zimmerman Construction Division, Inc. · 2001
- Programmable apparatus and method for delivering microingredient feed additives by weight105US 5,340,211 AMicro Chemical, Inc. · 1994
- Programmable apparatus and method for delivering microingredient feed additives to animals by weight97US 4,889,433 AMicro Chemical, Inc. · 1989
- Programmable apparatus and method for delivering microingredient feed additives to animals by weight85US 4,815,042 AMicro Chemical, Inc. · 1989