B01D 33/0346
With flat filtering elements
Official title: {with flat filtering elements}
B01D33/0346 (With flat filtering elements) appears on 254 US grants and 207 published applications in this corpus.
Search patents in B01D- Granted patents
- 254
- Published applications
- 207
- Assignees
- 74
- Inventors
- 264
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 1 |
| 2002 | 16 | 13 |
| 2003 | 12 | 14 |
| 2004 | 9 | 21 |
| 2005 | 8 | 12 |
| 2006 | 5 | 11 |
| 2007 | 8 | 9 |
| 2008 | 1 | 4 |
| 2009 | 6 | 6 |
| 2010 | 3 | 5 |
| 2011 | 2 | 2 |
| 2012 | 1 | 3 |
| 2013 | 6 | 8 |
| 2014 | 8 | 10 |
| 2015 | 6 | 12 |
| 2016 | 5 | 6 |
| 2017 | 8 | 14 |
| 2018 | 3 | 8 |
| 2019 | 11 | 8 |
| 2020 | 14 | 12 |
| 2021 | 9 | 10 |
| 2022 | 9 | 7 |
| 2023 | 7 | 3 |
| 2024 | 5 | 1 |
| 2025 | 6 | 1 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for ice bath filtering22 Sep 2026US 12,741,241 B2Lowtemp Industries LLC
- Brine injection system with improved filtering system8 Sep 2026US 12,728,372 B2Gea Food Solutions Bakel B.V.
- Shale shakers and related methods2 Jun 2026US 12,644,350 B2National Oilwell Varco, L. P.
- Modular, pre-tensioned, self-cleaning screening panels19 Aug 2025US 12,390,836 B2Buffalo Wire Works Company, Inc.
- Hydro excavation vacuum apparatus and fluid storage and supply systems thereof12 Aug 2025US 12,385,215 B2Vermeer Manufacturing Company
- A screen assembly for use in a shale shaker20 Aug 2026US 2026/0243138 A1Rollman Holding B.V.
- Sewage solids-liquids separator system and method13 Aug 2026US 2026/0233133 A1WWJD, Inc.
- Concrete recycling system and method of use26 Feb 2026US 2026/0055026 A1
- Filter system for removing dust particles from underground mining and methods of use thereof29 Jan 2026US 2026/0028909 A1
- Screen with a gear rack for a shaker system22 Jan 2026US 2026/0021430 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Vibratory screening machine and non-clogging wear-reducing screen assembly therefor125US 5,221,008 ADerrick Manufacturing Corporation · 1993
- Vibratory screening machine with tiltable screen frame and adjustable discharge weir111US 4,882,054 ADerrick Manufacturing Corporation · 1989
- Mining screen device and grid structure therefor102US 5,385,669 AEnvironmental Procedures, Inc. · 1995
- Undulating screen for vibratory screening machine and method of fabrication thereof101US 5,417,859 ADerrick Manufacturing Corporation · 1995
- Method of fabricating screen for vibratory screening machine89US 5,876,552 ADerrick Manufacturing Corporation · 1999