B01D 25/02
In which the elements are pre-formed independent filtering units
Official title: in which the elements are pre-formed independent filtering units, e.g. modular systems
B01D25/02 (In which the elements are pre-formed independent filtering units) appears on 21 US grants and 18 published applications in this corpus.
Search patents in B01D- Granted patents
- 21
- Published applications
- 18
- Assignees
- 20
- Inventors
- 51
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Modular fish tank filter components15 Jul 2025US 12,356,966 B1
- Heat activated adhesive for filters that may contain multiple elements25 Mar 2025US 12,257,536 B2Baldwin Filters, Inc.
- Modular filter element frame24 Sep 2024US 12,097,449 B2
- Modular dust collection system9 Jan 2024US 11,865,486 B2Engineered Recycling Systems, LLC
- Modular low profile in tank filter element assembly17 Jan 2023US 11,554,337 B2Schroeder Industries, Inc.
- Heat activated adhesive for filters that may contain multiple elements19 Jun 2025US 2025/0196033 A1Baldwin Filters, Inc.
- Device and method for encasing a filter unit and/or separation unit11 Jul 2024US 2024/0226775 A9Neufilter GmbH
- Device and method for encasing a filter unit and/or separation unit25 Apr 2024US 2024/0131452 A1Neufilter GmbH
- Modular dust collection system19 Jan 2023US 2023/0012503 A1Engineered Recycling Systems, LLC
- Heat activated adhesive for filters that may contain multiple elements8 Dec 2022US 2022/0387914 A1Baldwin Filters, Inc.
Most cited
By later US patents
- Selective separation filter device90US 5,601,711 AGelman Sciences, Inc. · 1997
- Improved screen component for use in modular screening decks49US 4,674,251 ASteinhaus GmbH · 1987
- Interlocking clamping system43US 4,909,929 ANorris Screen & Manufacturing, Inc. · 1990
- Filter ring32US 5,169,524 A1992
- Screen for inlet opening of a pump24US 5,759,398 ASulzer Thermtec AG · 1998