B01D 33/31
Planetary movement
B01D33/31 (Planetary movement) appears on 6 US grants and 3 published applications in this corpus.
Search patents in B01D- Granted patents
- 6
- Published applications
- 3
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 7 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 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 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for filtering liquids7 Mar 2023US 11,596,881 B2Pantreon GmbH
- Cylindrical liquid filtering device with central rotor, supported filter elements, and divergent inner wall radii that form curvilinear wing-shaped bulges to guide the liquid toward the filter elements19 May 2015US 9,034,190 B2Pantreon GmbH
- Filter apparatus4 Apr 1995US 5,403,481 ABauko Baukooperation GmbH
- Continuous discharge centrifuge15 May 1990US 4,925,576 A
- Apparatus for filtering liquids2 Sep 1980US 4,220,536 AAmafilter BV
Most cited
By later US patents
- Filter apparatus7US 5,403,481 ABauko Baukooperation GmbH · 1995
- Filter, especially for back water5US 3,972,817 AMyrens Verksted A/S · 1976
- Continuous discharge centrifuge3US 4,925,576 A1990
- Apparatus for filtering liquids1US 4,220,536 AAmafilter BV · 1980
- Cylindrical liquid filtering device with central rotor, supported filter elements, and divergent inner wall radii that form curvilinear wing-shaped bulges to guide the liquid toward the filter elements1US 9,034,190 B2Pantreon GmbH · 2015