B04B 3/025
With a reversible filtering device
Official title: {with a reversible filtering device}
B04B3/025 (With a reversible filtering device) appears on 23 US grants and 6 published applications in this corpus.
Search patents in B04B- Granted patents
- 23
- Published applications
- 6
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 27 Jun 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for extraction of liquids from a solid particle material27 Jun 2017US 9,688,922 B2
- Inverting-filter centrifuge30 Jan 2007US 7,168,571 B2
- Apparatus for carrying out a weight measurement in centrifuges25 Jun 2002US 6,408,703 B1Heinkel Aktiengesellschaft
- Apparatus for carrying out a weight measurement in certifuges13 Nov 2001US 6,314,824 B1Heinkel Aktiengesellschaft
- Invertible filter centrifuge including a solids drier12 Dec 2000US 6,159,360 AHeinkel Industriezentrifugen GmbH & Co.
- Apparatus and method for manufacturing base layer slurry11 Sep 2025US 2025/0281936 A1Hyundai Motor Company
- Method and device for extraction of liquids from a solid particle material11 Dec 2014US 2014/0360923 A1
- Method and device for extraction of liquids from a solid particle material3 Mar 2011US 2011/0049063 A1
- Method and device for extracting liquids from a solid particle material22 Apr 2010US 2010/0096298 A1
- Inverting-filter centrifuge10 Aug 2006US 2006/0175245 A1
Most cited
By later US patents
- Invertible filter centrifuge including a solids drier59US 6,159,360 AHeinkel Industriezentrifugen GmbH & Co. · 2000
- Centrifuge having an inner, invertible, funnel-like container36US 4,000,074 AThe United States of America as represented by the Secretary of the Army · 1976
- Filter centrifuge19US 4,193,874 AFirma Heinkel Industriezentrifugen GmbH & Co. · 1980
- Filter centrifuge16US 4,269,711 AFirma Heinkel Industriezentrifugen GmbH & Co. · 1981
- Invertible filter centrifuge with a filler pipe connectable to a pressurization or depressurization source14US 5,092,995 AHeinkel Industriezentrifugen GmbH & Co. · 1992