B01D 46/08
The working surfaces forming a star shape
Official title: the working surfaces forming a star shape
B01D46/08 (The working surfaces forming a star shape) appears on 21 US grants and 19 published applications in this corpus.
Search patents in B01D- Granted patents
- 21
- Published applications
- 19
- Assignees
- 21
- Inventors
- 54
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 4 |
| 2012 | 3 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Impactor/separator element and devices comprising an impactor separator/element of this type27 May 2025US 12,311,297 B2ElsäSser Filtertechnik GmbH
- Low resistance cage for pulse jet filter15 Oct 2024US 12,115,485 B2All Filtration Technologies (Holdings) Pty Ltd
- Air cleaner and method of controlling operation of same26 Dec 2023US 11,852,369 B2LG Electronics Inc.
- Earth working machine having a filtered dust extraction system with an elastically deformable filter housing21 Dec 2021US 11,203,843 B2Wirtgen GmbH
- Filter element support assembly, quick installation system, and methods14 Nov 2017US 9,815,013 B2Donaldson Company, Inc.
- Impactor/separator element and devices comprising an impactor separator/element of this type26 Oct 2023US 2023/0338881 A1ElsäSser Filtertechnik GmbH
- Air cleaner and method of controlling operation of same10 Feb 2022US 2022/0042714 A1LG Electronics Inc.
- Low resistance cage for pulse jet filter2 Sep 2021US 2021/0268421 A1All Filtration Technologies (Holdings) Pty Ltd
- Earth working machine having a filtered dust extraction system with an elastically deformable filter housing3 Jun 2021US 2021/0164174 A1Wirtgen GmbH
- Filter device and arrangement for ventilating a tank comprising a filter device20 Aug 2015US 2015/0231964 A1Volvo Lastvagnar AB
Most cited
By later US patents
- Bag-type filter apparatus with air diffuser having extended bag support22US 4,324,571 A1982
- Cylindrical star-shaped filter bag and support cage12US 5,858,039 A1999
- Plate-like separator for separating liquids from a gas stream10US 8,216,331 B2Rentschler Reven-Luftungssysteme GmbH · 2012
- Filter8US 9,221,003 B22015
- Filter6US 8,187,352 B22012