B01D 46/26
Rotatable
Official title: rotatable
B01D46/26 (Rotatable) appears on 149 US grants and 74 published applications in this corpus.
Search patents in B01D- Granted patents
- 149
- Published applications
- 74
- Assignees
- 87
- Inventors
- 264
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 3 |
| 2005 | 3 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 1 |
| 2016 | 0 | 5 |
| 2017 | 6 | 1 |
| 2018 | 2 | 8 |
| 2019 | 2 | 9 |
| 2020 | 8 | 7 |
| 2021 | 5 | 8 |
| 2022 | 6 | 7 |
| 2023 | 4 | 4 |
| 2024 | 11 | 4 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drum filters and filter systems comprising such drum filters10 Mar 2026US 12,569,796 B2Mobiair Pte. Ltd.
- Crankcase ventilation systems including integrated sensors and controller4 Nov 2025US 12,460,564 B2Cummins Filtration Inc.
- Filter screen component, base assembly, clothes dryer, and washing and drying integrated machine6 May 2025US 12,290,777 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Screening device with at least one suction nozzle29 Apr 2025US 12,284,941 B2CLAAS Selbstfahrende Erntemaschinen GmbH
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods17 Dec 2024US 12,168,194 B2Donaldson Company, Inc.
- Integrated synergistic purification process for sulfur, dust, and nitrogen oxides, using ceramic fiber tube6 Aug 2026US 2026/0225020 A1Shandong Jingyao Glass Group Co., Ltd.
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods17 Apr 2025US 2025/0121313 A1Donaldson Company, Inc.
- Crankcase ventilation systems including integrated sensors and controller20 Jun 2024US 2024/0200478 A1Cummins Filtration Inc.
- Air purifier with rotatable filter8 Feb 2024US 2024/0042364 A1BISSELL Inc.
- Improvements for drum filters and filter systems comprising such drum filters11 Jan 2024US 2024/0009610 A1Mobiair Pte. Ltd.
Most cited
By later US patents
- Air filter arrangement to permit cleaning without removing element94US 4,222,755 A1980
- Centrifugal filtration device93US 6,517,612 B1Gore Enterprise Holdings, Inc. · 2003
- Vortex air cleaner and self-cleaning barrier filter assembly for supercharged engines81US 4,482,365 APall Corporation · 1984
- Multi-stage deoiler with porous media54US 5,716,423 AUnited Technologies Corporation · 1998
- Apparatus for removing oil mist51US 4,189,310 AKabushiki Kaisha Sanetsu · 1980