B01D 25/007
By pressure measuring
Official title: {by pressure measuring}
B01D25/007 (By pressure measuring) appears on 16 US grants and 5 published applications in this corpus.
Search patents in B01D- Granted patents
- 16
- Published applications
- 5
- Assignees
- 13
- Inventors
- 30
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 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 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-stage filtration system for fuel cell hybrid propulsion system4 Nov 2025US 12,458,913 B2Cummins Inc.
- Method for producing and drying a filter cake, while avoiding entering of the filter cake into a thermoplastic phase24 Sep 1996US 5,558,773 ABertrams Dehydrat AG
- Filter press with adaptive automated control arrangement4 Jan 1994US 5,275,740 AJWI Ltd.
- Plate and cell holder18 Aug 1992US 5,139,664 ABaker Hughes Incorporated
- Method for pressure filtering and device for carrying out same28 Jul 1992US 5,133,884 ASala International AB
- Multi-stage filtration system5 Feb 2026US 2026/0034484 A1Cummins Inc.
- Filtering machine of filter plate type1 Jan 2026US 2026/0001012 A1Mitsubishi Kakoki Kaisha, Ltd.
- Multi-stage filtration system for fuel cell hybrid propulsion system16 May 2024US 2024/0157277 A1Cummins Inc.
- Staged filtration feed system2 Jul 2020US 2020/0207638 A1Metso Sweden AB
- Filter press type dewatering system, dewatering method, deaerator, check valve, and opening/closing valve5 Aug 2004US 2004/0149649 A1
Most cited
By later US patents
- Method for producing and drying a filter cake, while avoiding entering of the filter cake into a thermoplastic phase18US 5,558,773 ABertrams Dehydrat AG · 1996
- Filtering apparatus12US 4,454,033 A1984
- Automatic cycle control arrangement and method for a pressure filter11US 4,861,494 A1989
- Method for pressure filtering and device for carrying out same8US 5,133,884 ASala International AB · 1992
- Pressure filter7US 4,274,961 A1981