B01D 29/70
By forces created by movement of the filter element
Official title: by forces created by movement of the filter element
B01D29/70 (By forces created by movement of the filter element) appears on 439 US grants and 200 published applications in this corpus.
Search patents in B01D- Granted patents
- 439
- Published applications
- 200
- Assignees
- 250
- Inventors
- 658
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 15 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 14 | 0 |
| 1992 | 12 | 0 |
| 1993 | 18 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 7 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 19 | 2 |
| 2002 | 15 | 17 |
| 2003 | 14 | 19 |
| 2004 | 13 | 14 |
| 2005 | 8 | 10 |
| 2006 | 9 | 8 |
| 2007 | 2 | 7 |
| 2008 | 4 | 8 |
| 2009 | 5 | 5 |
| 2010 | 6 | 5 |
| 2011 | 5 | 10 |
| 2012 | 4 | 10 |
| 2013 | 8 | 6 |
| 2014 | 3 | 7 |
| 2015 | 5 | 5 |
| 2016 | 11 | 8 |
| 2017 | 2 | 6 |
| 2018 | 5 | 5 |
| 2019 | 4 | 2 |
| 2020 | 4 | 11 |
| 2021 | 6 | 4 |
| 2022 | 1 | 7 |
| 2023 | 4 | 9 |
| 2024 | 6 | 4 |
| 2025 | 1 | 10 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Septic tank effluent filters15 Sep 2026US 12,734,467 B2Orenco Systems, Inc.
- Machine for processing liquid or semi-liquid food products11 Aug 2026US 12,702,144 B2Ali Group S.R.L.—Carpigiani
- Filtration device14 Apr 2026US 12,599,852 B2SSENG Co., Ltd.
- Multi-plate or laminated screw press10 Mar 2026US 12,569,787 B2
- Regenerative media filter air scouring apparatus and method17 Jun 2025US 12,330,959 B2Neptune-Benson, LLC
- Pool cleaning system18 Jun 2026US 2026/0168275 A1Wybotics Co., Ltd.
- Filter Device for Cutting Fluid, Cleaning Method for Filter Device, and Filter Circulation System27 Nov 2025US 2025/0360441 A1Qingdao Gaoce Technology Co., Ltd
- Method and apparatus for enhanced separation and removal of contaminants and irradiated particulates from fluids23 Oct 2025US 2025/0325930 A1Vrd, LLC
- Ring filter cartridge for filtration of oil sands slurries and related methods9 Oct 2025US 2025/0312713 A1Syncrude Canada Ltd. In Trust for the Owners of the Syncrude Project AS Such C
- Regenerative media filter air scouring apparatus and method25 Sep 2025US 2025/0296855 A1Neptune-Benson, LLC
Most cited
By later US patents
- Pressure filter with vibratory impactor125US 4,526,688 AIndustrial Filter & Pump Mfg. Co. · 1985
- Filter media cartridge119US 5,601,717 ASiebec S.A. · 1997
- Undulating screen for vibratory screening machine and method of fabrication thereof101US 5,417,859 ADerrick Manufacturing Corporation · 1995
- Sifting frame assembly with differentially tensioned screens96US 4,728,422 AThule United Limited · 1988
- Method of fabricating screen for vibratory screening machine89US 5,876,552 ADerrick Manufacturing Corporation · 1999