B01D 21/0048
Plurality of plates inclined in alternating directions
Official title: {Plurality of plates inclined in alternating directions}
B01D21/0048 (Plurality of plates inclined in alternating directions) appears on 35 US grants and 36 published applications in this corpus.
Search patents in B01D- Granted patents
- 35
- Published applications
- 36
- Assignees
- 30
- Inventors
- 56
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 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 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 4 | 3 |
| 2021 | 7 | 4 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method and apparatus for treating animal waste and wastewater34US 7,005,068 B2Hoffland Environmental, Inc. · 2006
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- Treatment of liquids with ballasted flocculation18US 6,517,714 B2Parkson Corporation · 2003
- Treatment of liquids with ballasted flocculation18US 6,689,277 B2Parkson Corporation · 2004
- Heated inclined separation pressure vessel17US 6,533,929 B2Corlac Industries (1998) Ltd. · 2003