B01D 25/34
By moving
Official title: by moving, {e.g. rotating,} the filter elements {(B01D25/172, B01D25/19 take precedence)}
B01D25/34 (By moving) appears on 63 US grants and 26 published applications in this corpus.
Search patents in B01D- Granted patents
- 63
- Published applications
- 26
- Assignees
- 38
- Inventors
- 102
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 3 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanical demoisturizing of partially-decomposed organic material13 Jan 2026US 12,521,651 B2American Peat Technology, LLC
- Filter cloth cleaning method of filter press13 Jan 2026US 12,521,652 B2Ishigaki Company Limited
- Filter press and a filter plate compression and transport retrofitting kit for a filter press20 May 2025US 12,303,808 B2Metso Outotec Finland Oy
- Filter press and filter press of spiral vibration cake unloading by pulling apart filter plates twice23 Aug 2022US 11,420,139 B2Jingjin Equipment Inc.
- Filter plate assembly for filter2 Feb 2021US 10,905,977 B2
- 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
- Mechanical demoisturizing of partially-decomposed organic material21 Mar 2024US 2024/0091679 A1American Peat Technology, LLC
- A filter press and a filter plate compression and transport retrofitting kit for a filter press2 Feb 2023US 2023/0032206 A1Metso Outotec Finland Oy
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
- Disc-type filter25US 4,402,829 AR & G Sloane Manufacturing Company, Inc. · 1983
- Apparatus and method for filtering a material from a liquid medium25US 8,813,973 B2Fluid-Quip, Inc. · 2014
- Disk filter22US 4,707,258 A1987