B01D 33/11
Arranged for outward flow filtration
Official title: arranged for outward flow filtration
B01D33/11 (Arranged for outward flow filtration) appears on 309 US grants and 186 published applications in this corpus.
Search patents in B01D- Granted patents
- 309
- Published applications
- 186
- Assignees
- 202
- Inventors
- 517
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 4 |
| 2002 | 9 | 3 |
| 2003 | 9 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 5 |
| 2006 | 6 | 6 |
| 2007 | 2 | 3 |
| 2008 | 2 | 2 |
| 2009 | 0 | 8 |
| 2010 | 3 | 4 |
| 2011 | 1 | 2 |
| 2012 | 5 | 7 |
| 2013 | 3 | 7 |
| 2014 | 4 | 6 |
| 2015 | 9 | 22 |
| 2016 | 6 | 11 |
| 2017 | 5 | 9 |
| 2018 | 8 | 11 |
| 2019 | 17 | 17 |
| 2020 | 14 | 11 |
| 2021 | 7 | 4 |
| 2022 | 13 | 11 |
| 2023 | 4 | 7 |
| 2024 | 4 | 7 |
| 2025 | 7 | 7 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Filter unit for filtering microparticles and a filter cage for use in a filter unit21 Jul 2026US 12,686,964 B2Xeros Limited
- Filter for a treatment apparatus21 Apr 2026US 12,605,658 B2Fresh Works Ltd
- Rotary drum filtering machine for algae filtration10 Feb 2026US 12,544,693 B2Algaecore Technologies Ltd
- Automatic self-cleaning backwash strainer21 Oct 2025US 12,447,424 B2The Hellen Strainer Company
- Stormwater treatment device23 Sep 2025US 12,420,219 B2Contech Engineered Solutions LLC
- Filtration apparatus and method of controlling filtration apparatus1 Oct 2026US 2026/0295479 A1Renasys AS
- Filter for a treatment apparatus6 Aug 2026US 2026/0225010 A1Fresh Works Ltd
- Filter screen, tubular filter and filter device30 Jul 2026US 2026/0216624 A1Maag Ettlinger GmbH
- Algae harvesting device23 Jul 2026US 2026/0206700 A1University of Technology, Sydney
- Device and method for separating a liquid from a feedstock23 Jul 2026US 2026/0208075 A1Herbold Meckesheim GmbH
Most cited
By later US patents
- Centrifugal filtration device93US 6,517,612 B1Gore Enterprise Holdings, Inc. · 2003
- Bone slurry recovery65US 6,387,070 B1NuVasive, Inc. · 2002
- Conical screen basket centrifuge53US 5,378,364 ABaker Hughes Incorporated · 1995
- Separation of solids from liquids by screening47US 4,236,999 AContra-Shear Holdings Limited · 1980
- Apparatus and methods for separating solids from flowing liquids or gases43US 6,511,595 B22003