B01D 49/00
Separating dispersed particles from gases, air or vapours by other methods
B01D49/00 (Separating dispersed particles from gases, air or vapours by other methods) appears on 139 US grants and 117 published applications in this corpus.
Search patents in B01D- Granted patents
- 139
- Published applications
- 117
- Assignees
- 110
- Inventors
- 318
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 5 |
| 2003 | 4 | 3 |
| 2004 | 3 | 8 |
| 2005 | 4 | 6 |
| 2006 | 2 | 6 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 3 |
| 2011 | 3 | 2 |
| 2012 | 0 | 6 |
| 2013 | 0 | 9 |
| 2014 | 5 | 6 |
| 2015 | 7 | 2 |
| 2016 | 5 | 2 |
| 2017 | 6 | 2 |
| 2018 | 0 | 9 |
| 2019 | 7 | 9 |
| 2020 | 4 | 7 |
| 2021 | 8 | 2 |
| 2022 | 6 | 10 |
| 2023 | 7 | 5 |
| 2024 | 8 | 6 |
| 2025 | 3 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Photocatalytic air conditioning filter module with antiviral performance6 Oct 2026US 12,752,226 B2Korea Institute of Civil Engineering and Building Technology
- System and a method for reducing particulate pollutants in air, using pulsed electromagnetic waves18 Aug 2026US 12,708,910 B2Devic Earth Private Limited
- 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.
- Container including an active matrix for a fluid filter assembly3 Sep 2026US 2026/0257149 A1Ceco Environmental IP Inc.
- 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
- 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
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
- Symbiotic filter-sterilizer109US 4,694,179 A1987
- 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