B01D 21/0018
Provided with a pump mounted in or on a settling tank
Official title: {provided with a pump mounted in or on a settling tank}
B01D21/0018 (Provided with a pump mounted in or on a settling tank) appears on 222 US grants and 132 published applications in this corpus.
Search patents in B01D- Granted patents
- 222
- Published applications
- 132
- Assignees
- 155
- Inventors
- 383
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 5 |
| 2003 | 7 | 4 |
| 2004 | 5 | 8 |
| 2005 | 3 | 4 |
| 2006 | 6 | 4 |
| 2007 | 4 | 2 |
| 2008 | 0 | 1 |
| 2009 | 4 | 4 |
| 2010 | 3 | 1 |
| 2011 | 3 | 5 |
| 2012 | 5 | 4 |
| 2013 | 3 | 3 |
| 2014 | 1 | 4 |
| 2015 | 4 | 11 |
| 2016 | 3 | 8 |
| 2017 | 6 | 5 |
| 2018 | 7 | 8 |
| 2019 | 12 | 9 |
| 2020 | 3 | 10 |
| 2021 | 10 | 7 |
| 2022 | 5 | 7 |
| 2023 | 4 | 8 |
| 2024 | 3 | 5 |
| 2025 | 3 | 3 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Waste oil handling apparatus26 May 2026US 12,636,596 B2
- Separator assemblies and methods28 Apr 2026US 12,611,621 B2Battelle Memorial Institute
- Sedimentation tank system including high-rate filtration part and capable of primary treatment of sewage and wastewater, flow equalization, and treatment of wet weather flow3 Mar 2026US 12,564,798 B2Tomorrow Water
- Device and method for separating a suspension11 Nov 2025US 12,465,876 B2ANDRITZ Delkor Pty Ltd
- Pallet coating waste recovery system8 Jul 2025US 12,350,695 B2Air and Liquid Systems, Inc.
- Pallet coating waste recovery system25 Sep 2025US 2025/0296108 A1Air and Liquid Systems, Inc.
- Centrifuge-free fluid cleaning systems and methods for separation of fine solids in oilfield applications21 Aug 2025US 2025/0263989 A1Horizon Mud Company, Inc.
- Neutralization/water separation tank for esterified product and neutralization/water separation method for esterified product14 Aug 2025US 2025/0256221 A1LG Chem.Ltd.
- Separator Assemblies and Methods31 Oct 2024US 2024/0359118 A1Battelle Memorial Institute
- Processing discharge liquid filtration device3 Oct 2024US 2024/0326191 A1Tokyo Seimitsu Co., Ltd.
Most cited
By later US patents
- Swimming pool control system134US 5,730,861 A1998
- Apparatus for washing drill cuttings103US 4,546,783 AFlo Trend Shares, Inc. · 1985
- Submersible aeration train and aeration apparatus for biological purification of sewage82US 5,316,671 A1994
- System and method for separating solids from a fluid stream71US 6,506,310 B2DEL Corporation · 2003
- Process and apparatus for the chemical-mechanical treatment and purification of ground waters, surface waters and effluents69US 4,388,195 APassavant-Werke Michelbacher Hutte · 1983