B01D 24/001
Making filter elements not provided for elsewhere
Official title: {Making filter elements not provided for elsewhere}
B01D24/001 (Making filter elements not provided for elsewhere) appears on 64 US grants and 53 published applications in this corpus.
Search patents in B01D- Granted patents
- 64
- Published applications
- 53
- Assignees
- 44
- Inventors
- 112
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 5 |
| 2014 | 5 | 2 |
| 2015 | 2 | 8 |
| 2016 | 3 | 2 |
| 2017 | 5 | 2 |
| 2018 | 3 | 4 |
| 2019 | 6 | 3 |
| 2020 | 3 | 2 |
| 2021 | 4 | 3 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 4 |
| 2025 | 3 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of making a filter with ground animal bone granules and filtering therewith9 Dec 2025US 12,491,453 B1
- Method for manufacturing filter plates wastewater filter assemblies12 Aug 2025US 12,383,849 B2Ovivo Inc.
- Media retention plate for a block underdrain system11 Mar 2025US 12,246,271 B2De Nora Water Technologies, LLC
- Mechanical filter element, apparatus and method30 Aug 2022US 11,426,681 B2Evolution Aqua Limited
- Mechanical filter element, apparatus and method19 Jul 2022US 11,389,751 B2Evolution Aqua Limited
- Biochar materials for abatement of pollutants4 Jun 2026US 2026/0151717 A1AbTech Industries, Inc.
- Method and System for Anchoring an Underdrain21 May 2026US 2026/0138055 A1Xylem Water Solutions Zelienople LLC
- Composite for chemical filter, preparing method thereof, and outdoor air conditioner including the same26 Feb 2026US 2026/0054205 A1Samsung Electronics Co., Ltd.
- Modular filter system25 Sep 2025US 2025/0296020 A1
- Media retention plate for a block underdrain system12 Jun 2025US 2025/0186908 A1De Nora Water Technologies, LLC
Most cited
By later US patents
- Deep bed filter68US 4,197,205 A1980
- Spiral wrapped fluid treatment element57US 5,039,413 APall Corporation · 1991
- Pelletized composition for treatment of storm water runoff50US 5,624,576 ACSF Treatment Systems, Inc. · 1997
- Fluid filter element with an overlapped wrap40US 4,882,056 APall Corporation · 1989
- Method for purifying islets of langerhans36US 5,447,863 ACobe Laboratories, Inc. · 1995