B01D 46/32
The material moving during filtering
Official title: the material moving during filtering
B01D46/32 (The material moving during filtering) appears on 106 US grants and 31 published applications in this corpus.
Search patents in B01D- Granted patents
- 106
- Published applications
- 31
- Assignees
- 79
- Inventors
- 187
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 3 | 3 |
| 2013 | 3 | 2 |
| 2014 | 3 | 6 |
| 2015 | 5 | 1 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Air ventilization system filter15 Oct 2024US 12,115,487 B1
- Apparatus and method for cleaning a stream8 Feb 2022US 11,241,648 B2Teknologian tutkimuskeskus VTT Oy
- Fluidized granular absorbent bed filter21 Sep 2021US 11,123,681 B2Entegris, Inc.
- Painting booths comprising painting chambers and overspray removal units22 Dec 2020US 10,870,125 B2GEICO S.p.A.
- Removing carbon nanotubes from a continuous reactor effluent9 Jul 2019US 10,343,104 B2ExxonMobil Upstream Research Company
- Ambient air purification device12 Oct 2023US 2023/0321580 A1MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
- Activated Charcoal Air Ventilation System Filter18 Aug 2022US 2022/0258089 A1
- Methods for removing overspray from air flow exiting painting booths11 Mar 2021US 2021/0069743 A1GEICO S.p.A.
- Apparatus and method for cleaning a stream27 Feb 2020US 2020/0061513 A1Teknologian tutkimuskeskus VTT Oy
- Painting booths with overspray removal systems, methods for removing the overspray, and plants20 Dec 2018US 2018/0361419 A1GEICO S.p.A.
Most cited
By later US patents
- Fluidized bed calcining system54US 4,161,389 AProcedyne Corp. · 1979
- Filter apparatus and method for collecting fly ash and fine dust51US 4,308,036 AEFB Inc. · 1981
- Method and apparatus for guiding process gas in a filter45US 5,178,652 A1993
- Process for the removal of particulates entrained in a fluid using a magnetically stabilized fluid cross-flow contactor44US 4,255,166 AExxon Research & Engineering Co. · 1981
- Process for flue gas desulfurization or nitrogen oxide removal using a magnetically stabilized fluid cross-flow contactor40US 4,254,616 AExxon Research & Engineering Co. · 1981