B01D 33/745
Construction of suction casings, pans, or the like
Official title: {Construction of suction casings, pans, or the like}
B01D33/745 (Construction of suction casings, pans, or the like) appears on 50 US grants and 16 published applications in this corpus.
Search patents in B01D- Granted patents
- 50
- Published applications
- 16
- Assignees
- 34
- Inventors
- 59
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 3 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 3 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drum washer with gravity assist drainage17 Feb 2026US 12,551,825 B2Andritz Inc.
- Independent double-negative-pressure shale shaker30 Sep 2025US 12,427,452 B2Southwest Petroleum University
- Dewatering screen7 Jan 2025US 12,186,688 B2CDE Global Limited
- Optimization of vacuum system and methods for drying drill cuttings2 Jul 2019US 10,335,720 B2FP Marangoni Inc.
- Filter device22 Dec 2015US 9,216,369 B2ANDRITZ KMPT GmbH
- Drum washer with gravity assist drainage28 Sep 2023US 2023/0302384 A1Andritz Inc.
- Independent double-negative-pressure shale shaker27 Apr 2023US 2023/0131096 A1Southwest Petroleum University
- Dewatering screen20 Oct 2022US 2022/0331720 A1CDE Global Limited
- Optimization Of Vacuum System And Methods For Drying Drill Cuttings28 Jan 2016US 2016/0023141 A1FP Marangoni Inc.
- Filter device and filtration method8 Oct 2015US 2015/0283485 A1BOKELA Ingenieurgesellschaft für Mechanische Verfahrenstechnik mbH
Most cited
By later US patents
- Screen basket and shale shakers61US 7,216,767 B2Varco I/P, Inc. · 2007
- Vibratory separators and screens48US 6,722,504 B2Varco I/P, Inc. · 2004
- Process for treating a slurry of cellulosic material45US 4,046,621 ACanadian International Paper Company · 1977
- Method for dewatering sludge32US 4,101,400 AMachinefabriek W. Hubert & Co. B.V. · 1978
- Process for treating a slurry of cellulosic material29US 4,014,736 ACanadian International Paper Company · 1977