B01D 25/302
Specially adapted for chamber filter presses
Official title: {specially adapted for chamber filter presses}
B01D25/302 (Specially adapted for chamber filter presses) appears on 22 US grants and 22 published applications in this corpus.
Search patents in B01D- Granted patents
- 22
- Published applications
- 22
- Assignees
- 12
- Inventors
- 48
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 4 |
| 2018 | 3 | 2 |
| 2019 | 2 | 3 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Outlet piece assembly for a horizontal plate and frame-type filter, such as a tower press16 Dec 2025US 12,496,538 B2Metso Finland Oy
- Lithium extraction enhanced by an alternate phase29 Jul 2025US 12,370,468 B2Lilac Solutions, Inc.
- Lithium extraction enhanced by an alternate phase25 Mar 2025US 12,257,529 B2Lilac Solutions, Inc.
- Devices for efficient sorbent utilization in lithium extraction3 Sep 2024US 12,076,662 B2Lilac Solutions, Inc.
- Devices for efficient sorbent utilization in lithium extraction2 Jul 2024US 12,023,602 B2Lilac Solutions, Inc.
- Devices for efficient sorbent utilization in lithium extraction24 Apr 2025US 2025/0128186 A1Lilac Solutions, Inc.
- Lithium extraction enhanced by an alternate phase25 Jan 2024US 2024/0026495 A1Lilac Solutions, Inc.
- Devices for efficient sorbent utilization in lithium extraction30 Nov 2023US 2023/0381687 A1Lilac Solutions, Inc.
- An outlet piece assembly for a horizontal plate and frame -type filter, such as a tower press8 Jun 2023US 2023/0173411 A1Metso Outotec Finland Oy
- An outlet cover for a recessed plate-type filter, a filter plate, a filter plate assembly and a recessed plate-type filter23 Feb 2023US 2023/0055796 A1Metso Outotec Finland Oy
Most cited
By later US patents
- System for pumping an abrasive or corrosive fluid18US 4,304,527 AEnglish Clays Lovering Pochin & Company Limited · 1981
- Slurry pumping apparatus for solid-liquid separation12US 4,604,037 A1986
- Shallow chamber filter apparatus9US 6,491,817 B12002
- Filter press for cake filtration4US 4,643,827 ASeitz Enzinger Noll Maschinenbau Aktiengesellschaft · 1987
- Devices for efficient sorbent utilization in lithium extraction3US 12,076,662 B2Lilac Solutions, Inc. · 2024