B01D 33/722
Containing fixed liquid displacement elements or cores
Official title: {containing fixed liquid displacement elements or cores}
B01D33/722 (Containing fixed liquid displacement elements or cores) appears on 81 US grants and 37 published applications in this corpus.
Search patents in B01D- Granted patents
- 81
- Published applications
- 37
- Assignees
- 54
- Inventors
- 141
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 2 |
| 2003 | 3 | 0 |
| 2004 | 1 | 5 |
| 2005 | 5 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 3 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter for a treatment apparatus21 Apr 2026US 12,605,658 B2Fresh Works Ltd
- Dewatering screen7 Jan 2025US 12,186,688 B2CDE Global Limited
- Centrifugal filter unit for a washing machine having a removable portion shaped to scrape against a side wall during its removal12 Nov 2024US 12,138,568 B2Xeros Limited
- Device for reducing pressure fluctuation of pressure filter frame and pressure filter21 Dec 2021US 11,202,979 B2Tianhua Institute of Chemical Machinery and Automation Co., Ltd
- Assembly with pivotable hopper and shaker11 Aug 2020US 10,737,202 B2Wyo-Ben, Inc.
- Filter for a treatment apparatus6 Aug 2026US 2026/0225010 A1Fresh Works Ltd
- Washing machine appliance with a removable filtering agitator25 Jun 2026US 2026/0176808 A1Haier US Appliance Solutions, Inc.
- A filter unit for filtering microparticles and a filter cage for use in a filter unit27 Jun 2024US 2024/0209560 A1Xeros Limited
- Filter for a treatment apparatus2 Nov 2023US 2023/0347267 A1Fresh Works Ltd
- Dewatering screen20 Oct 2022US 2022/0331720 A1CDE Global Limited
Most cited
By later US patents
- Solids screens74US 4,820,407 ACPI Sales, Inc. · 1989
- Rotary filtration device and filter pack therefor74US 5,254,250 AMembrex, Inc. · 1993
- Rotary disc filtration device73US 5,143,630 AMembrex, Inc. · 1992
- Vibratory separators and screens48US 6,722,504 B2Varco I/P, Inc. · 2004
- Cleaning device for waste water48US 6,942,786 B1Salnes Filter AS · 2005