B01D 45/04
Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal
Official title: by utilising inertia (B01D45/12 takes precedence)
B01D45/04 (Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal) appears on 1,495 US grants and 1,392 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,495
- Published applications
- 1,392
- Assignees
- 912
- Inventors
- 3,130
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 20 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 17 | 0 |
| 1981 | 23 | 0 |
| 1982 | 14 | 0 |
| 1983 | 6 | 0 |
| 1984 | 14 | 0 |
| 1985 | 14 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 13 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 5 | 0 |
| 1992 | 11 | 0 |
| 1993 | 15 | 0 |
| 1994 | 21 | 0 |
| 1995 | 14 | 0 |
| 1996 | 16 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 19 | 0 |
| 2000 | 31 | 0 |
| 2001 | 26 | 3 |
| 2002 | 22 | 19 |
| 2003 | 15 | 22 |
| 2004 | 28 | 33 |
| 2005 | 12 | 33 |
| 2006 | 20 | 22 |
| 2007 | 17 | 31 |
| 2008 | 12 | 39 |
| 2009 | 29 | 40 |
| 2010 | 31 | 51 |
| 2011 | 50 | 46 |
| 2012 | 41 | 46 |
| 2013 | 34 | 48 |
| 2014 | 35 | 74 |
| 2015 | 55 | 82 |
| 2016 | 50 | 69 |
| 2017 | 67 | 73 |
| 2018 | 56 | 94 |
| 2019 | 74 | 111 |
| 2020 | 110 | 81 |
| 2021 | 86 | 81 |
| 2022 | 65 | 74 |
| 2023 | 70 | 69 |
| 2024 | 49 | 55 |
| 2025 | 50 | 53 |
| 2026 | 32 | 43 |
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
- Dust removal filler, fouling collection pan and gas cleaning device22 Sep 2026US 12,741,245 B2China Petroleum & Chemical Corporation
- Combined manifolding and gas-liquid separation15 Sep 2026US 12,734,469 B2Electric Hydrogen Co.
- Battery housing for an energy storage device, energy storage device for a motor vehicle, and method for discharging a gas-particle mixture from a battery housing15 Sep 2026US 12,738,595 B2Audi AG
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Hair dryer and hair dryer operation mode selection system8 Oct 2026US 2026/0305789 A1Omachron Intellectual Property Inc.
- Gas-liquid separation device8 Oct 2026US 2026/0306981 A1Nissan Motor Co., Ltd.
- Dust removal filler, fouling collection pan and gas cleaning device1 Oct 2026US 2026/0295489 A1China Petroleum & Chemical Corporation
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Wet cleaning apparatus and method17 Sep 2026US 2026/0272239 A1Versuni Holding B.V.
Most cited
By later US patents
- Robust system for screening mail for biological agents1,080US 6,887,710 B2MesoSystems Technology, Inc. · 2005
- Multi dust-collecting apparatus194US 7,547,338 B2Samsung Gwangju Electronics Co., Ltd. · 2009
- Systems and methods for particle focusing in microchannels185US 8,186,913 B2The General Hospital Corporation · 2012
- Fluid/particle separator unit and method for separating particles from a flowing fluid147US 4,382,804 A1983
- Exsanguinating device for displacing blood from a limb by compression121US 4,228,792 A1980