B65G 33/20
The housing being rotatable relative to the screw
Official title: the housing being rotatable relative to the screw
B65G33/20 (The housing being rotatable relative to the screw) appears on 14 US grants and 12 published applications in this corpus.
Search patents in B65G- Granted patents
- 14
- Published applications
- 12
- Assignees
- 13
- Inventors
- 21
- Latest grant
- 17 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Apparatus for handling fine bulk material28 Mar 2017US 9,604,794 B2The Young Industries, Inc.
- Waste material compaction apparatus and vehicle including same5 Dec 2019US 2019/0366669 A19103-8034 Quebec Inc.
- Pressure sealed high temperature elevating conveyor26 Jul 2018US 2018/0208400 A1Olds Elevator, LLC
- Feeder for bulk solids23 Nov 2017US 2017/0334655 A1Battelle Energy Alliance, LLC
- Apparatus for handling fine bulk material15 Dec 2016US 2016/0362262 A1The Young Industries, Inc.
- Apparatus for handling fine bulk material7 Apr 2016US 2016/0096687 A1The Young Industries, Inc.
Most cited
By later US patents
- Elevating conveyor14US 7,314,131 B2Olds Elevator, LLC · 2008
- Apparatus for dispensing and transporting fine materials7US 4,077,527 AAutoclave Engineers, Inc. · 1978
- Device with screw conveyor for discharging bulk material5US 4,351,627 A1982
- Apparatus for unloading bulk material3US 4,793,467 AConsilium Materials Handling Marine AB · 1988
- Feeder tube for bulk product3US 6,722,491 B2Main Engineering Aktiebolag · 2004