B01D 33/72
For feeding
Official title: for feeding
B01D33/72 (For feeding) appears on 247 US grants and 114 published applications in this corpus.
Search patents in B01D- Granted patents
- 247
- Published applications
- 114
- Assignees
- 159
- Inventors
- 431
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 15 | 0 |
| 1993 | 15 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 1 | 3 |
| 2003 | 4 | 1 |
| 2004 | 2 | 7 |
| 2005 | 5 | 2 |
| 2006 | 4 | 4 |
| 2007 | 2 | 4 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 1 |
| 2013 | 3 | 6 |
| 2014 | 5 | 5 |
| 2015 | 3 | 12 |
| 2016 | 2 | 6 |
| 2017 | 5 | 10 |
| 2018 | 3 | 4 |
| 2019 | 12 | 6 |
| 2020 | 6 | 9 |
| 2021 | 5 | 3 |
| 2022 | 5 | 7 |
| 2023 | 5 | 4 |
| 2024 | 2 | 2 |
| 2025 | 2 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Filter for a treatment apparatus21 Apr 2026US 12,605,658 B2Fresh Works Ltd
- Flow-through filtration and waste separation device5 Aug 2025US 12,378,136 B2
- 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
- Method and apparatus for remediating drilling mud and treating drilling cuttings11 Jun 2024US 12,005,382 B2Schellstede-Lee Interests, LLC
- Apparatus and method for solid-liquid separation13 Aug 2026US 2026/0233134 A1Betolar Oyj
- Filter for a treatment apparatus6 Aug 2026US 2026/0225010 A1Fresh Works Ltd
- Device and method for separating a liquid from a feedstock23 Jul 2026US 2026/0208075 A1Herbold Meckesheim GmbH
- Washing machine appliance with a removable filtering agitator25 Jun 2026US 2026/0176808 A1Haier US Appliance Solutions, Inc.
- A microparticle filter, a textile treatment apparatus, use thereof and a method of filtering microparticles1 May 2025US 2025/0135379 A1Xeros Limited
Most cited
By later US patents
- Filtration method and apparatus86US 4,790,942 AMembrex, Inc. · 1988
- Small volume rotary filter86US 4,876,013 AMembrex, Inc. · 1989
- 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