B01D 46/026
Means for maintaining a space between filters
Official title: {Means for maintaining a space between filters, e.g. avoiding contact between adjacent filters}
B01D46/026 (Means for maintaining a space between filters) appears on 12 US grants and 12 published applications in this corpus.
Search patents in B01D- Granted patents
- 12
- Published applications
- 12
- Assignees
- 13
- Inventors
- 34
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Filter element for separating solids from liquids and gases23 Dec 2025US 12,502,633 B2DrM, Dr. Muller AG
- Filter bag support system, a bag house equipment and a method for installing a filter bag15 Apr 2025US 12,274,965 B2Tetra Laval Holdings & Finance S. A.
- HVAC return filter holder2 Jul 2024US 12,025,339 B2
- System for removing particulate matter from biomass combustion exhaust gas comprising gas cyclones and baghouses30 May 2023US 11,662,093 B2Triple Green Products Inc.
- Filtration device20 Dec 2022US 11,530,840 B2Join Power Company
- Filter element for separating solids from liquids and gases28 Mar 2024US 2024/0100459 A1DrM, Dr. Muller AG
- A filter bag support system, a bag house equipment and a method for installing a filter bag26 Oct 2023US 2023/0338884 A1Tetra Laval Holdings & Finance S. A.
- Hvac return fliter holder3 Mar 2022US 2022/0065494 A1
- Filtration device27 Jan 2022US 2022/0026106 A1Thai-Yu Intelligent Systems Service Co., Ltd.
- System for Removing Particulate Matter from Biomass Combustion Exhaust Gas Comprising Gas Cyclones and Baghouses21 Oct 2021US 2021/0325039 A1Triple Green Products Inc.
Most cited
By later US patents
- Oil separator31US 6,858,056 B2Rolls-Royce Deutschland Ltd & Co KG · 2005
- Filtering cartridge, in particular for internal combustion engine28US 6,402,800 B1Filtrauto · 2002
- Filter bag with protective cuff25US 4,344,781 AUnited States Filter Corporation · 1982
- Gas dust-removing filters16US 4,343,632 A1982
- Wound pocket module4US 6,352,641 B1Sartorius AG · 2002