B01D 49/006
Separating dispersed particles from gases, air or vapours by other methods: by
Official title: {by sonic or ultrasonic techniques}
B01D49/006 (Separating dispersed particles from gases, air or vapours by other methods: by) appears on 39 US grants and 44 published applications in this corpus.
Search patents in B01D- Granted patents
- 39
- Published applications
- 44
- Assignees
- 34
- Inventors
- 94
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 5 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 3 | 4 |
| 2023 | 3 | 2 |
| 2024 | 5 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Ultrasound apparatus2 Dec 2025US 12,488,774 B2Earswitch Ltd.
- Particle filter with ultrasound device20 May 2025US 12,303,807 B2Smart Material Printing B.V.
- Ultra-fine particle aggregation, neutralization and filtration24 Sep 2024US 12,097,460 B2Smart Material Printing B.V.
- Gas turbine engine with entrained particle agglomerators and method10 Apr 2025US 2025/0116226 A1Rtx Corporation
- Device and method for separating liquid from a gas and compressor device provided with such a device30 May 2024US 2024/0173663 A1Atlas Copco Airpower, Naamloze Vennootschap
- Pyrolysis systems and methods of generating hydrogen gas from a hydrocarbon gas2 May 2024US 2024/0140790 A1Purdue Research Foundation
- Apparatus and methods for air filtration of hvac systems18 Apr 2024US 2024/0123390 A1Smart Material Printing B.V.
- Improvements in or relating to ultrasound apparatus18 Apr 2024US 2024/0127782 A1Earswitch Ltd.
Most cited
By later US patents
- Acoustic horn and attachment device389US 4,865,159 A1989
- Method and device for ultrasonically manipulating particles within a fluid122US 7,846,382 B2Protasis Corporation · 2010
- Cylindrical acoustic levitator/concentrator100US 6,467,350 B1The Regents of the University of California · 2002
- Pulse combusted acoustic agglomeration apparatus and process95US 5,353,721 AManufacturing and Technology Conversion International, Inc. · 1994
- Cylindrical acoustic levitator/concentrator having non-circular cross-section67US 6,644,118 B2The Regents of the University of California · 2003