B01D 33/80
Accessories
B01D33/80 (Accessories) appears on 448 US grants and 278 published applications in this corpus.
Search patents in B01D- Granted patents
- 448
- Published applications
- 278
- Assignees
- 300
- Inventors
- 804
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 12 | 0 |
| 1978 | 6 | 0 |
| 1979 | 10 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 13 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 15 | 0 |
| 1993 | 19 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 16 | 0 |
| 1997 | 19 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 9 | 6 |
| 2003 | 5 | 9 |
| 2004 | 7 | 11 |
| 2005 | 6 | 9 |
| 2006 | 7 | 5 |
| 2007 | 5 | 6 |
| 2008 | 2 | 5 |
| 2009 | 3 | 3 |
| 2010 | 6 | 4 |
| 2011 | 3 | 6 |
| 2012 | 0 | 4 |
| 2013 | 2 | 8 |
| 2014 | 2 | 7 |
| 2015 | 8 | 17 |
| 2016 | 7 | 14 |
| 2017 | 6 | 20 |
| 2018 | 16 | 14 |
| 2019 | 17 | 20 |
| 2020 | 16 | 18 |
| 2021 | 14 | 19 |
| 2022 | 11 | 24 |
| 2023 | 17 | 13 |
| 2024 | 12 | 8 |
| 2025 | 14 | 13 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 33/804Integrally combined with devices for controlling the filtration187
- B01D 33/801Driving means, shaft packing systems or the like157
- B01D 33/82Means for pressure distribution65
- B01D 33/803In which the filtering elements are moved between filtering operations39
- B01D 33/802Device for changing the inclination of the filtering element28
Recent patents
- Rotating irrigation screen apparatus22 Sep 2026US 12,741,240 B2
- Brine injection system with improved filtering system8 Sep 2026US 12,728,372 B2Gea Food Solutions Bakel B.V.
- Method of filtrating liquid, and filtration apparatus for filtrating liquid25 Aug 2026US 12,714,956 B2Renasys AS
- Filter unit lifting system21 Jul 2026US 12,685,949 B2Veolia Water Solutions & Technologies Support
- Self-cleaning intake filter9 Jun 2026US 12,649,118 B2Wairere Research Limited
- Device for cleaning liquid media using vacuum belt filters1 Oct 2026US 2026/0295478 A1
- Filtration apparatus and method of controlling filtration apparatus1 Oct 2026US 2026/0295479 A1Renasys AS
- Device and method for automatically recovering logging data storage1 Oct 2026US 2026/0295480 A1China Petroleum & Chemical Corporation
- Device and method for separating a liquid from a feedstock23 Jul 2026US 2026/0208075 A1Herbold Meckesheim GmbH
- Screening device, method for detecting a sag of an endless drive element, and use of a position sensor16 Jul 2026US 2026/0199812 A1Huber SE
Most cited
By later US patents
- Vibratory screening machine with tiltable screen frame and adjustable discharge weir111US 4,882,054 ADerrick Manufacturing Corporation · 1989
- Rotary filtration device and filter pack therefor74US 5,254,250 AMembrex, Inc. · 1993
- Rotary disc filtration device73US 5,143,630 AMembrex, Inc. · 1992
- Removal of rock cuttings while drilling utilizing an automatically adjustable shaker system71US 4,809,791 AUniversity of Southwestern Louisiana · 1989
- Bone slurry recovery65US 6,387,070 B1NuVasive, Inc. · 2002