B01D 2201/285
Filtering elements with a symmetry axis not parallel to the rotation axis
B01D2201/285 (Filtering elements with a symmetry axis not parallel to the rotation axis) appears on 9 US grants and 5 published applications in this corpus.
Search patents in B01D- Granted patents
- 9
- Published applications
- 5
- Assignees
- 8
- Inventors
- 23
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
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| 2003 | 0 | 0 |
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| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
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| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
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| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Filter media insert structures and methods of installation12 Nov 2024US 12,138,570 B2Solidification Products International, Inc.
- Filter media insert structures and methods of installation10 May 2022US 11,325,062 B2Solidification Products International, Inc.
- Process for controlling the permeate composition in a rotary filtration device27 Mar 1990US 4,911,847 AMembrex, Inc.
- Small volume rotary filter24 Oct 1989US 4,876,013 AMembrex, Inc.
- Filtration method and apparatus13 Dec 1988US 4,790,942 AMembrex, Inc.
- Filter device for a water-bearing domestic appliance, water-bearing domestic appliance and method for cleaning the filter device2 Mar 2023US 2023/0062259 A1E. G. O. Elektro-Geraetebau GmbH
- New filter, filter unit, treatment apparatus, method and use22 Sep 2022US 2022/0298712 A1Xeros Limited
- Filter media insert structures and methods of installation11 Aug 2022US 2022/0249991 A1Solidification Products International, Inc.
- Rotary screening device with bearings7 Apr 2022US 2022/0106201 A1
- Filter media insert structures and methods of installation31 Dec 2020US 2020/0406173 A1Solidification Products International, Inc.
Most cited
By later US patents
- Blood serum separation filter disc132US 3,972,812 ABecton, Dickinson and Company · 1976
- Filtration method and apparatus86US 4,790,942 AMembrex, Inc. · 1988
- Small volume rotary filter86US 4,876,013 AMembrex, Inc. · 1989
- Filter for centrifuge tube61US 4,683,058 ACostar Corporation · 1987
- Process for controlling the permeate composition in a rotary filtration device29US 4,911,847 AMembrex, Inc. · 1990