B01D 33/19
The table surface being divided in successively tilted sectors or cells
Official title: the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake
B01D33/19 (The table surface being divided in successively tilted sectors or cells) appears on 24 US grants and 12 published applications in this corpus.
Search patents in B01D- Granted patents
- 24
- Published applications
- 12
- Assignees
- 17
- Inventors
- 32
- Latest grant
- 1 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Horizontal ore filter with replaceable filter elements28 Aug 2012US 8,252,181 B2
- Filtration cell and filtration device using such a cell26 Jun 2012US 8,206,587 B2Prayon Technologies
- Distributor for rotary filter and rotary filter equipped therewith9 Oct 2007US 7,279,030 B2Gevers & Vander Haeghen SA
- Clarifier for liquids laden with suspended matter6 Nov 2001US 6,312,592 B1
- Grid structure for filter device22 Jan 2026US 2026/0021429 A1Andritz Separation Inc.
- Debris filtration apparatus23 Jun 2016US 2016/0178294 A1Doosan Heavy Industries Construction Co., Ltd
- Filter device and filtration method8 Oct 2015US 2015/0283485 A1BOKELA Ingenieurgesellschaft für Mechanische Verfahrenstechnik mbH
- Filtration cell and filtration device using such a cell29 Apr 2010US 2010/0101992 A1Prayon Technologies
- Horizontal ore filter with replaceable filter elements22 Jan 2009US 2009/0020469 A1
Most cited
By later US patents
- Method and apparatus for the separation of caustic liquor, lime sludge and sludge in a causticizing process21US 4,929,355 AAB Hedemora Verkstader · 1990
- Filter element sealing device for filter pan10US 4,391,706 A1983
- Metallic profile wire screen for a filter surface9US 4,547,288 AMurray Industries · 1985
- Multiple cell filter having a gas discharge8US 4,172,791 ASociete de Prayon · 1979
- Distributor for rotary filter and rotary filter equipped therewith8US 7,279,030 B2Gevers & Vander Haeghen SA · 2007