B01D 25/19
Clamping means for closing the filter press
Official title: Clamping means for closing the filter press, e.g. hydraulic jacks
B01D25/19 (Clamping means for closing the filter press) appears on 47 US grants and 21 published applications in this corpus.
Search patents in B01D- Granted patents
- 47
- Published applications
- 21
- Assignees
- 35
- Inventors
- 80
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Filter press and a filter plate compression and transport retrofitting kit for a filter press20 May 2025US 12,303,808 B2Metso Outotec Finland Oy
- Paper capillary lateral flow fluid filter for bacterial and nanometer sized particle contamination26 Mar 2024US 11,938,423 B2New York University in Abu Dhabi Corporation
- Filter press and method for separating the solid components from the liquid components of a slurry5 Dec 2023US 11,833,453 B2Metso Sweden AB
- Manual filter press with displaceable follower stop19 Jul 2022US 11,390,549 B2Evoqua Water Technologies LLC
- Device for filtration with a set of least one filter cassette13 Jun 2017US 9,676,069 B2EMD Millipore Corporation
- Filter apparatus and filtering method15 May 2025US 2025/0153076 A1
- Apparatus6 Feb 2025US 2025/0041767 A1Hydac Systems & Services GmbH
- Filter press with a twinned structure30 Jan 2025US 2025/0032960 A1Matec Industries S.R.L.
- A filter press and a filter plate compression and transport retrofitting kit for a filter press2 Feb 2023US 2023/0032206 A1Metso Outotec Finland Oy
- Paper Capillary Lateral Flow Fluid Filter for Bacterial and Nanometer Sized Particle Contamination21 Apr 2022US 2022/0118381 A1New York University in Abu Dhabi Corporation
Most cited
By later US patents
- Apparatus and process for regulating a filter plate contact pressure in filter presses16US 4,855,062 A1989
- Plate filter press with adjustable end plate12US 4,083,298 AEberhard Hoesch & Sohne GmbH & Co. · 1978
- Mash-separating filter-press11US 4,346,003 A1982
- Filter assembly having side-supported slidable king and queen ends11US 4,351,724 AJohnson-Progress, Ltd. · 1982
- Apparatus for cake removal in a filter press11US 4,900,436 AIshigaki Kiko Co., Ltd. · 1990