B01D 33/766
Devices for breaking the filter cake
Official title: {Devices for breaking the filter cake, e.g. cutting}
B01D33/766 (Devices for breaking the filter cake) appears on 5 US grants and 4 published applications in this corpus.
Search patents in B01D- Granted patents
- 5
- Published applications
- 4
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 2 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 1 | 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 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 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
- Method and apparatus for improved solid-liquid filtration of filter cakes2 Feb 2021US 10,905,984 B2
- Device for extracting cakes resulting from pressurized disc filtration, and associated extraction method8 Nov 2016US 9,487,360 B2Gaudfrin
- Filter device, method for its operation and use thereof3 Mar 2015US 8,967,390 B2Siemens Aktiengesellschaft
- Device for discharge of bulk material from a pressure vessel4 Jan 2000US 6,010,041 APaul Wurth S. A.
- Disk press23 Mar 1982US 4,321,140 AIngersoll-Rand Company
- Device and method for separating a liquid from a feedstock23 Jul 2026US 2026/0208075 A1Herbold Meckesheim GmbH
- Method and Apparatus for Improved Solid-Liquid Filtration of Filter Cakes8 Jun 2017US 2017/0157541 A1Kronos International, Inc.
- Filter device, method for its operation and use thereof15 Nov 2012US 2012/0285867 A1Siemens Aktiengesellschaft
- Device for Extracting Cakes Resulting from Pressurised Disc Filtration, and Associated Extraction Method25 Aug 2011US 2011/0204001 A1Gaudfrin
Most cited
By later US patents
- Disk press10US 4,321,140 AIngersoll-Rand Company · 1982
- Device for discharge of bulk material from a pressure vessel4US 6,010,041 APaul Wurth S. A. · 2000
- Method and apparatus for improved solid-liquid filtration of filter cakes3US 10,905,984 B22021
- Device for extracting cakes resulting from pressurized disc filtration, and associated extraction method1US 9,487,360 B2Gaudfrin · 2016