B01D 43/00
Separating particles from liquids, or liquids from solids, otherwise than by sedimentation
Official title: Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration (flotation processes B03D1/00; drying solid materials or objects F26B)
B01D43/00 (Separating particles from liquids, or liquids from solids, otherwise than by sedimentation) appears on 259 US grants and 178 published applications in this corpus.
Search patents in B01D- Granted patents
- 259
- Published applications
- 178
- Assignees
- 187
- Inventors
- 538
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 9 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 1 | 6 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 3 | 0 |
| 2012 | 2 | 7 |
| 2013 | 2 | 11 |
| 2014 | 2 | 4 |
| 2015 | 9 | 11 |
| 2016 | 16 | 15 |
| 2017 | 10 | 13 |
| 2018 | 8 | 9 |
| 2019 | 10 | 14 |
| 2020 | 8 | 6 |
| 2021 | 9 | 10 |
| 2022 | 6 | 8 |
| 2023 | 5 | 24 |
| 2024 | 6 | 12 |
| 2025 | 11 | 11 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for removing contaminants from a fluid stream25 Aug 2026US 12,715,004 B2Mage LLC
- System and method for reclaiming solvent2 Jun 2026US 12,643,071 B2Donaldson Company, Inc.
- Spiral inertial microfluidic devices and methods to remove contaminants19 May 2026US 12,629,679 B2Massachusetts Institute of Technology
- Dewatering viscous liquids with pressurized carbon dioxide3 Mar 2026US 12,564,807 B2Auburn University
- Method and apparatus for self-contained fluid cleaning apparatus30 Sep 2025US 12,427,530 B2Mage LLC
- Cmp slurry reuse optimization system through convergence and complex processing technology17 Sep 2026US 2026/0275160 A1SK hynix Inc.
- Composition comprising charged polysaccharide and coagulant, and method of using the same23 Jul 2026US 2026/0209092 A1Paragon Solution Inc.
- Ultrasonic-based material processing apparatus and control method thereof5 Mar 2026US 2026/0061458 A1Fust Lab Co., Ltd.
- Particle two-dimensional acoustic focusing device, and acoustic concentration device using the same19 Feb 2026US 2026/0049911 A1Shinshu University
- Module for separating an analyte from a containment25 Dec 2025US 2025/0387739 A1
Most cited
By later US patents
- Particle handling method by acoustic radiation force and apparatus therefore207US 5,902,489 AHitachi, Ltd. · 1999
- Process for the separation of substances from a liquid and device for effecting such a process186US 5,164,094 A1992
- Method and apparatus for separating particles179US 5,225,089 A1993
- Manipulation of particles172US 4,743,361 AInternationale Octrooi Maatschappij "Octropa" B.V. · 1988
- Methods and apparatus for moving and separating materials exhibiting different physical properties169US 4,759,775 AUtah Bioresearch, Inc. · 1988