B01D 2201/089
Using rollers having projections to clear the filter apertures
Official title: using rollers having projections to clear the filter apertures
B01D2201/089 (Using rollers having projections to clear the filter apertures) appears on 16 US grants and 8 published applications in this corpus.
Search patents in B01D- Granted patents
- 16
- Published applications
- 8
- Assignees
- 6
- Inventors
- 18
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Systems and methods for processing earthen slurries16 Jun 2020US 10,683,178 B2Vermeer Manufacturing Company
- Transfer systems for receiving and conveying material26 Nov 2019US 10,486,920 B2Vermeer Manufacturing Company
- Device for receiving and separating chips and cooling liquid discharged from machine tools (drive)21 Jul 2009US 7,563,369 B2Mayfran International B. V.
- Device for receiving and separating chips created by machine-tools and coolant (drive)3 Oct 2006US 7,115,200 B2Mayfran International B. V.
- Dispositif de collecte de particules solides contenues dans une soupe de matires organiques7 May 2026US 2026/0124645 A1Green Creative Ltd.
- Multi-structure filtration device for filtering, separating, and dehydrating foreign substances in water27 Oct 2022US 2022/0339564 A1Essa Co., Ltd.
- Installation for extracting heat and/or for processing process liquid19 Aug 2021US 2021/0252522 A1EWK Umwelttechnik GmbH
- Systems and methods for processing earthen slurries15 Mar 2018US 2018/0071662 A1Vermeer Manufacturing Company
- Transfer systems for receiving and conveying material15 Mar 2018US 2018/0072516 A1Vermeer Manufacturing Company
Most cited
By later US patents
- Bypass diverter box for drilling mud separation unit26US 6,024,228 ATuboscope Nu-Tec/GNT · 2000
- Rotating self-cleaning screen20US 4,521,305 A1985
- Drilling mud separation system with removable continuous-belt separation unit17US 5,863,430 A1999
- Filtering scraper14US 4,220,540 A1980
- Continuous-belt drilling mud separation system10US 5,919,358 A1999