B01D 51/00
Auxiliary pretreatment of gases or vapours to be cleaned
Official title: Auxiliary pretreatment of gases or vapours to be cleaned (preventing dust fires A62C; pretreatment specially adapted for magnetic or electrostatic separation B03C)
B01D51/00 (Auxiliary pretreatment of gases or vapours to be cleaned) appears on 282 US grants and 214 published applications in this corpus.
Search patents in B01D- Granted patents
- 282
- Published applications
- 214
- Assignees
- 197
- Inventors
- 624
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 5 |
| 2003 | 4 | 6 |
| 2004 | 5 | 8 |
| 2005 | 2 | 2 |
| 2006 | 4 | 9 |
| 2007 | 4 | 2 |
| 2008 | 3 | 2 |
| 2009 | 2 | 4 |
| 2010 | 4 | 4 |
| 2011 | 1 | 5 |
| 2012 | 4 | 3 |
| 2013 | 4 | 4 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 4 | 8 |
| 2017 | 12 | 27 |
| 2018 | 11 | 15 |
| 2019 | 19 | 18 |
| 2020 | 10 | 14 |
| 2021 | 15 | 15 |
| 2022 | 14 | 10 |
| 2023 | 10 | 10 |
| 2024 | 11 | 16 |
| 2025 | 7 | 12 |
| 2026 | 8 | 10 |
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
- Latent heat and condensation exchanger11 Aug 2026US 12,704,076 B2Sustainable Energy Solutions, LLC
- 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
- Biogas processing systems and methods24 Mar 2026US 12,582,936 B2Ivys Adsorption Inc.
- Method for producing a deacidified fluid stream, apparatus for deacidifying a fluid stream and use of heat pumps for deacidifying a fluid stream8 Oct 2026US 2026/0306998 A1BASF SE
- A staged-feed post -combustion co2 capture technology for flue gas stream13 Aug 2026US 2026/0233153 A1University of Kentucky Research Foundation
- Heat-driven atmospheric water generator23 Jul 2026US 2026/0210091 A1Simon Fraser University
- Method and apparatus for treating diesel exhaust emissions9 Jul 2026US 2026/0192250 A1CJ Reactor Pty Ltd
- Carbon dioxide recovery system and carbon dioxide recovery method18 Jun 2026US 2026/0166471 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Filter cartridge with internal gaseous seal for multimodal surgical gas delivery system having a smoke evacuation mode281US 9,387,295 B1SurgiQues, Inc. · 2016
- 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
- Multipath filter assembly with integrated gaseous seal for multimodal surgical gas delivery system97US 10,960,150 B2SurgiQuest, Inc. · 2021