B28B 13/0235
The feed box being provided with agitating means
Official title: {the feed box being provided with agitating means, e.g. stirring vanes to avoid premature setting of the moulding material (agitation in general B01F)}
B28B13/0235 (The feed box being provided with agitating means) appears on 17 US grants and 8 published applications in this corpus.
Search patents in B28B- Granted patents
- 17
- Published applications
- 8
- Assignees
- 8
- Inventors
- 34
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Alumina ceramic integrated hot press molding machine and working method thereof6 Feb 2024US 11,890,781 B2Qingdao University of Technology
- Method and device for producing engineered stone slabs3 Jan 2023US 11,541,569 B2EQTEC Engineered Quartz Technology GmbH
- Casted block molding apparatus and method10 Dec 2019US 10,500,758 B2Techo-Bloc Inc.
- Agitator grid with adjustable restrictor elements for concrete block machine15 Nov 2016US 9,492,944 B2Ness Inventions, Inc.
- Shuttle for a feedbox of a block machine2 Dec 2014US 8,899,958 B2Rekers Verwaltungs-GmbH & Co. KG
- Alumina ceramic integrated hot press molding machine and working method thereof14 Apr 2022US 2022/0111554 A1Qingdao University of Technology
- Method and device for producing engineered stone slabs22 Apr 2021US 2021/0114253 A1EQTEC Engineered Quartz Technology GmbH
- Casted block molding apparatus and method22 Jun 2017US 2017/0173821 A1Techo-Bloc Inc.
- Agitator grid with adjustable restrictor elements for concrete block machine28 May 2015US 2015/0147428 A1Ness Inventions, Inc.
- Shuttle for a feedbox of a block machine29 May 2014US 2014/0147544 A1Rekers Verwaltungs-GmbH & Co. KG
Most cited
By later US patents
- Brick press11US 5,256,053 AKabushiki Kaisha Mitsuishi Fukai Tekkosho · 1993
- Apparatus for forming concrete products10US 5,395,228 AColumbia Machine, Inc. · 1995
- Process for the preparation of multilayer blocks suitable for the production of slabs without the use of a sawing machine6US 4,909,974 A1990
- Apparatus for forming concrete products6US 5,503,546 AColumbia Machine, Inc. · 1996
- Method for forming concrete products6US 5,540,869 AColumbia Machine, Inc. · 1996