B01D 25/343
Particular measures for replacing or isolating one or more filtering elements
Official title: {Particular measures for replacing or isolating one or more filtering elements; Transport systems for the filtering apparatus (B01D25/28, B01D25/32, B01D25/346, B01D25/36 take precedence)}
B01D25/343 (Particular measures for replacing or isolating one or more filtering elements) appears on 9 US grants and 7 published applications in this corpus.
Search patents in B01D- Granted patents
- 9
- Published applications
- 7
- Assignees
- 9
- Inventors
- 18
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
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
- Air filter27 Jan 2009US 7,481,863 B2Mann+Hummel GmbH
- Filter element incorporating a handle member22 May 2001US 6,235,195 B1Donaldson Company, Inc.
- Lifting device for transporting disk stacks31 Oct 2000US 6,139,253 ACuno Incorporated
- Filtering method for filtering liquids29 Aug 1995US 5,445,745 A
- Filter apparatus and filtering method15 May 2025US 2025/0153076 A1
- A handling system of a subframe forming part of a filter plate frame assembly in a horizontal filter ress of a tower type, a method of performing maintenance of such subframe and use of such handling system23 Jan 2025US 2025/0025810 A1Metso Finland Oy
- Machine system with filter press and removal device28 Nov 2024US 2024/0390824 A1Strassburger Filter GmbH & Co. KG
- A filter press and a filter plate compression and transport retrofitting kit for a filter press2 Feb 2023US 2023/0032206 A1Metso Outotec Finland Oy
- Air filter15 Jun 2006US 2006/0123754 A1Mann+Hummel GmbH
Most cited
By later US patents
- Filter element incorporating a handle member390US 6,235,195 B1Donaldson Company, Inc. · 2001
- Air filter44US 7,481,863 B2Mann+Hummel GmbH · 2009
- Filter belt arrangement for pressurized chamber filter12US 5,209,841 A1993
- Separation apparatus including relatively movable presser module and filtration belts9US 4,676,902 ADegremont · 1987
- Lifting device for transporting disk stacks8US 6,139,253 ACuno Incorporated · 2000