B01D 25/164
Chamber-plate presses, i.e. the sides of the filtering elements being clamped between
Official title: Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence)
B01D25/164 (Chamber-plate presses, i.e. the sides of the filtering elements being clamped between) appears on 128 US grants and 130 published applications in this corpus.
Search patents in B01D- Granted patents
- 128
- Published applications
- 130
- Assignees
- 73
- Inventors
- 223
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 5 |
| 2006 | 1 | 4 |
| 2007 | 2 | 5 |
| 2008 | 1 | 4 |
| 2009 | 3 | 4 |
| 2010 | 1 | 3 |
| 2011 | 4 | 2 |
| 2012 | 2 | 4 |
| 2013 | 2 | 6 |
| 2014 | 3 | 5 |
| 2015 | 5 | 10 |
| 2016 | 4 | 5 |
| 2017 | 6 | 2 |
| 2018 | 4 | 4 |
| 2019 | 4 | 5 |
| 2020 | 5 | 10 |
| 2021 | 4 | 5 |
| 2022 | 5 | 3 |
| 2023 | 1 | 16 |
| 2024 | 3 | 9 |
| 2025 | 10 | 4 |
| 2026 | 11 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rejector cartridge11 Aug 2026US 12,702,939 B2Evoqua Water Technologies LLC
- Filter plate7 Jul 2026US 12,673,277 B2JVK Filtration Systems GmbH
- Filter press adapter12 May 2026US 12,623,164 B2Takeda Pharmaceutical Company Limited
- Filter plate assembly for a horizontal plate and frame-type filter, such as a tower press, a filter plate and a vat liner12 May 2026US 12,623,165 B2Metso Finland Oy
- Sealing strip for sealing adjacent filter plate assemblies of a filter press, such as a tower press, a filter frame, a filter frame assembly and a filter apparatus5 May 2026US 12,616,923 B2Metso Finland Oy
- Loss-free process for producing cathode active material without generating waste and wastewater24 Sep 2026US 2026/0285703 A1
- Industrial Filter Cloth3 Sep 2026US 2026/0257155 A1Valmet Technologies Oy
- A filter plate assembly for a horizontal plate and frame-type filter, such as a tower press, a filter plate and a vat liner20 Aug 2026US 2026/0241310 A1Metso Finland Oy
- Apparatus and process for recovery of a valuable material13 Aug 2026US 2026/0233129 A1Evonik Operations GmbH
- Method for producing dairy substitute products9 Jul 2026US 2026/0191217 A1Meura S.A.
Most cited
By later US patents
- Method of filtering a fluid33US 6,461,524 B1Sanyo Electric Co., Ltd. · 2002
- Filter plate-and-diaphragm assemblies for a filter press27US 3,931,014 AEberhard Hoesch & Soehne · 1976
- Plate filter press27US 5,762,786 ARittershaus & Blecher GmbH · 1998
- Spraying apparatus for cleaning filter press plates24US 4,076,033 APassavant-Werke Michelbacher Hutte · 1978
- Movable apparatus for removal of filter plates from a filter press20US 4,172,792 A1979