B01D 33/461
Brushes
Official title: {brushes}
B01D33/461 (Brushes) appears on 47 US grants and 30 published applications in this corpus.
Search patents in B01D- Granted patents
- 47
- Published applications
- 30
- Assignees
- 40
- Inventors
- 79
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 3 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 3 | 0 |
| 2025 | 0 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-cleaning intake filter9 Jun 2026US 12,649,118 B2Wairere Research Limited
- Conveyor-belt filtering device for mechanically cleaning a liquid21 Apr 2026US 12,605,659 B2FSM Frankenberger GmbH
- Dishwasher filter assembly12 Nov 2024US 12,137,859 B2Whirlpool Corporation
- Method for operating filtration device16 Jul 2024US 12,036,488 B2Fuji Filter Manufacturing Co., Ltd.
- Fine particle separating apparatus16 Jan 2024US 11,872,509 B2Research Cooperation Foundation of Yeungnam University
- Device and method for separating a liquid from a feedstock23 Jul 2026US 2026/0208075 A1Herbold Meckesheim GmbH
- Dispositif de collecte de particules solides contenues dans une soupe de matires organiques7 May 2026US 2026/0124645 A1Green Creative Ltd.
- Centrifugal solids-liquid separator system19 Feb 2026US 2026/0048348 A1
- Device for cleaning and/or suctioning pile fibers for pile cloth filtration11 Dec 2025US 2025/0375725 A1Mecana AG
- Dishwasher filter assembly13 Feb 2025US 2025/0049285 A1Whirlpool Corporation
Most cited
By later US patents
- Rotary drum type device for separating solid particles from a liquid59US 5,618,424 ANagaoka International Corporation · 1997
- Gumbo separator50US 5,921,399 ADerrick Corporation · 1999
- System for treating sludge37US 3,962,069 AInoue-Japan Research Inc. · 1976
- Apparatus, components and a method for the filtering of liquid28US 5,800,701 AI. Kruger Systems A/S · 1998
- Device for the separation of a liquid25US 4,507,202 A1985