B01D 35/20
Vibrating the filters
Official title: Vibrating the filters (regenerating filter material by vibrations in filters with stationary filtering elements B01D29/72; discharging the filter cake by vibrations in filters with moving filtering elements B01D33/54, B01D33/76)
B01D35/20 (Vibrating the filters) appears on 84 US grants and 40 published applications in this corpus.
Search patents in B01D- Granted patents
- 84
- Published applications
- 40
- Assignees
- 59
- Inventors
- 147
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 5 |
| 2016 | 2 | 2 |
| 2017 | 2 | 4 |
| 2018 | 1 | 4 |
| 2019 | 1 | 2 |
| 2020 | 4 | 3 |
| 2021 | 3 | 5 |
| 2022 | 1 | 2 |
| 2023 | 3 | 3 |
| 2024 | 3 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Microfluidic purification device29 Sep 2026US 12,746,548 B2Oriental System Technology Inc.
- Machine tool with recirculating coolant filtration system31 Dec 2024US 12,179,299 B2Illinois Tool Works Inc.
- Method and apparatus for processing magnetite1 Oct 2024US 12,103,013 B2Ib Operations Pty Ltd
- Imaging system with cleaning of fine particle collection device5 Mar 2024US 11,921,459 B2Hewlett-Packard Development Company, L. P.
- Vibrating paint strainer stand12 Sep 2023US 11,752,455 B2
- Filter cake sonication3 Jul 2025US 2025/0214006 A1BASF SE
- Coolant recapture and recirculation in material removal systems6 Mar 2025US 2025/0073837 A1Illinois Tool Works Inc.
- Microfludic purification device3 Oct 2024US 2024/0326046 A1Oriental System Technology Inc.
- Solid-liquid separator and solid-liquid separation system12 Oct 2023US 2023/0321565 A1IHI Corporation
- Modular apparatus for collecting cannabis trichomes27 Jul 2023US 2023/0233962 A1John C. Digertt, Inc.
Most cited
By later US patents
- Drilling mud cleaning method and apparatus109US 4,634,535 A1987
- Vibratory screening apparatus and method for removing suspended solids from liquid82US 4,696,751 ADresser Industries, Inc. · 1987
- Screen assembly and dewatering technique54US 3,970,549 ADerrick Manufacturing Corporation · 1976
- Drilling mud cleaning system50US 4,696,353 AW. S. Tyler, Incorporated · 1987
- Vibratory screening apparatus for screening liquids47US 4,446,022 AThule United Limited a British Company · 1984