B01F 27/87
The receptacle being divided into superimposed compartments
Official title: the receptacle being divided into superimposed compartments
B01F27/87 (The receptacle being divided into superimposed compartments) appears on 45 US grants and 30 published applications in this corpus.
Search patents in B01F- Granted patents
- 45
- Published applications
- 30
- Assignees
- 34
- Inventors
- 80
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 6 | 7 |
| 2015 | 5 | 4 |
| 2016 | 3 | 2 |
| 2017 | 4 | 4 |
| 2018 | 1 | 2 |
| 2019 | 4 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- High intensity conditioning mill and method53US 4,483,624 AFreeport Kaolin Company · 1984
- Polymer activation apparatus47US 5,061,456 AStranco, Inc. · 1991
- Polymer activation apparatus44US 5,164,429 AStranco, Inc. · 1992
- Methods and apparatus for treating wastewater42US 5,135,968 AStranco, Inc. · 1992
- Continuous mixing apparatus with upper and lower disk impellers each having scrapers35US 6,431,742 B1Dow Corning Toray Silicone Co., Ltd. · 2002