B01D 33/82
Means for pressure distribution
B01D33/82 (Means for pressure distribution) appears on 65 US grants and 24 published applications in this corpus.
Search patents in B01D- Granted patents
- 65
- Published applications
- 24
- Assignees
- 44
- Inventors
- 93
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 3 | 5 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 0 |
| 2020 | 3 | 1 |
| 2021 | 1 | 4 |
| 2022 | 1 | 0 |
| 2023 | 3 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and processes employing wet/dry suction filter17 Sep 2024US 12,090,428 B2Greatpyr Resources LLC
- Rotary drum vacuum filter with a throttling valve14 May 2024US 11,980,837 B2Valmet Corporation
- Pressurizing centrifugal dehydrator5 Dec 2023US 11,833,458 B2LG Chem.Ltd.
- Process for exploiting gas effluents from alcoholic fermentation25 Jul 2023US 11,708,548 B2Sede Environnement
- Shaker and degasser combination28 Feb 2023US 11,591,866 B2M - I L. L. C.
- Systems and processes employing wet/dry suction filter8 Jun 2023US 2023/0173417 A1Greatpyr Resources LLC
- Pressurizing centrifugal dehydrator14 Oct 2021US 2021/0316235 A1LG Chem.Ltd.
- Vacuum filter19 Aug 2021US 2021/0252436 A1Valmet Corporation
- Systems and processes employing wet/dry suction filter24 Jun 2021US 2021/0187420 A1Greatpyr Resources LLC
- Shaker and degasser combination28 Jan 2021US 2021/0025253 A1M - I L. L. C.
Most cited
By later US patents
- Apparatus for mechanical purification of waste water54US 4,639,315 AMecapec S.A. · 1987
- Vacuum disc filter46US 4,330,405 A1982
- Rotatable filter assembly and method of operating same30US 4,814,093 AAB Celleco · 1989
- Method of dewatering sludge23US 4,019,431 AAlb. Klein GmbH & Co. KG · 1977
- Shaker and degasser combination22US 8,613,360 B2M - I L. L. C. · 2013