B01D 51/02
Amassing the particles
Official title: Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C3/0175)}
B01D51/02 (Amassing the particles) appears on 108 US grants and 74 published applications in this corpus.
Search patents in B01D- Granted patents
- 108
- Published applications
- 74
- Assignees
- 84
- Inventors
- 261
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 3 | 3 |
| 2004 | 4 | 6 |
| 2005 | 1 | 2 |
| 2006 | 3 | 7 |
| 2007 | 3 | 2 |
| 2008 | 2 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 2 |
| 2012 | 3 | 3 |
| 2013 | 2 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 3 |
| 2018 | 0 | 2 |
| 2019 | 3 | 1 |
| 2020 | 3 | 7 |
| 2021 | 2 | 5 |
| 2022 | 8 | 3 |
| 2023 | 0 | 3 |
| 2024 | 5 | 4 |
| 2025 | 3 | 5 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Condensation dedust-demister set6 Oct 2026US 12,752,224 B2
- High efficiency trap for particle collection in a vacuum foreline21 Jul 2026US 12,689,010 B2APPLIED Materials.Inc.
- High-throughput thermoacoustic device for separation of fluid dynamical mixtures19 May 2026US 12,629,627 B1
- Gas turbine engine with entrained particle agglomerators and method13 Jan 2026US 12,521,667 B2Rtx Corporation
- Sodium ferrite particle powder and production method thereof23 Sep 2025US 12,421,132 B2Toda Kogyo Corporation
- Compositions and methods for reducing deleterious atmospheric gas emissions from flooded ecosystems3 Jul 2025US 2025/0215321 A1Arkea Bio Corp.
- Gas turbine engine with entrained particle agglomerators and method10 Apr 2025US 2025/0116226 A1Rtx Corporation
- Combustion apparatus and method of making a combustion apparatus27 Mar 2025US 2025/0099894 A1University of Newcastle Upon Tyne
- Cabin air filter system for a vehicle and method for cleaning air supplied to a vehicle cabin30 Jan 2025US 2025/0032968 A1Mann+Hummel GmbH
- Cabin air filter system for a vehicle and method for cleaning air supplied to a vehicle cabin30 Jan 2025US 2025/0032971 A1Mann+Hummel GmbH
Most cited
By later US patents
- Acoustically driven particle separation method and apparatus149US 5,085,783 ACase Western Reserve University · 1992
- Ultrasonic cigarette-holder or pipe stem132US 4,131,119 A1978
- Method and device for ultrasonically manipulating particles within a fluid122US 7,846,382 B2Protasis Corporation · 2010
- Modulated acoustic agglomeration system and method97US 7,150,779 B2Board of Regents, The University of Texas System · 2006
- Pulse combusted acoustic agglomeration apparatus and process95US 5,353,721 AManufacturing and Technology Conversion International, Inc. · 1994