B01D 24/461
By scrapers
Official title: {by scrapers}
B01D24/461 (By scrapers) appears on 19 US grants and 10 published applications in this corpus.
Search patents in B01D- Granted patents
- 19
- Published applications
- 10
- Assignees
- 13
- Inventors
- 29
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 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 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Solid-liquid filtration assembly and method of use25 Nov 2025US 12,478,900 B2
- Photovoltaic evaporation and distillation system for the recycling of greywater to potable water23 May 2023US 11,655,170 B2
- Stormwater management system with internal bypass25 Oct 2022US 11,479,487 B2Oldcastle Infrastructure, Inc.
- Mobile microalgae harvesting1 Dec 2020US 10,851,511 B2Utah Valley University
- Clearing device11 Aug 2020US 10,737,199 B2Doppstadt Familienholding GmbH
- Air purifier23 Oct 2025US 2025/0327591 A1Shenzhen Beibanqiu Network Technology Co., Ltd.
- Solid-liquid filtration assembly and method of use1 Aug 2024US 2024/0252957 A1
- Fluidized bed sorter9 May 2024US 2024/0149190 A1Rory Korathu-Larson, LLC
- Stormwater Management System with Internal Bypass28 Jan 2021US 2021/0024389 A1Oldcastle Infrastructure, Inc.
- Clearing device26 Sep 2019US 2019/0291026 A1Doppstadt Familienholding GmbH
Most cited
By later US patents
- Method and apparatus for separating suspended solids from liquids47US 4,743,382 AState of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 1988
- Slow sand filter for use with intermittently flowing water supply and method of use thereof20US 6,123,858 AUniversity Technologies International Inc. · 2000
- Rapid continuous clarifier18US 4,279,747 AFabcon, Inc. · 1981
- Sewage dewatering process and equipment13US 6,051,137 A2000
- Process and apparatus for removal of impurities from liquids11US 4,156,647 A1979