B01D 24/002
Filters comprising loose filtering material, i.e. filtering material without any binder between
Official title: {with multiple filtering elements in parallel connection}
B01D24/002 (Filters comprising loose filtering material, i.e. filtering material without any binder between) appears on 154 US grants and 91 published applications in this corpus.
Search patents in B01D- Granted patents
- 154
- Published applications
- 91
- Assignees
- 107
- Inventors
- 266
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 3 | 7 |
| 2004 | 1 | 6 |
| 2005 | 6 | 4 |
| 2006 | 4 | 2 |
| 2007 | 1 | 0 |
| 2008 | 3 | 4 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 5 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 5 | 4 |
| 2017 | 5 | 5 |
| 2018 | 3 | 3 |
| 2019 | 5 | 4 |
| 2020 | 4 | 5 |
| 2021 | 6 | 6 |
| 2022 | 3 | 9 |
| 2023 | 3 | 4 |
| 2024 | 7 | 1 |
| 2025 | 5 | 7 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for filtering amniotic fluid11 Nov 2025US 12,465,878 B2Amniotics AB
- Fluid distribution system12 Aug 2025US 12,383,892 B2SaniSure, Inc.
- Filter device17 Jun 2025US 12,330,091 B2Bluewater Sweden AB
- Enclosed media fluid filtration device27 May 2025US 12,311,290 B2Advanced Drainage Systems, Inc.
- Mesh filter for fuel supply system of vehicle11 Feb 2025US 12,220,653 B2Hyundai Motor Company
- Split resin bed, low pressure drop, and replaceable cartridge deionization filter20 Aug 2026US 2026/0241312 A1Atmus Filtration Inc.
- In-Pipe Stormwater Treatment Unit Best Management Practice (I-STUB)21 May 2026US 2026/0138056 A1The United States of America as represented by the Secretary of the Navy
- Multi-zone filtration device for a down-flow hydroprocessing reactor21 May 2026US 2026/0138057 A1
- Filtration system14 May 2026US 2026/0131263 A2The Pennington School
- Filtration system11 Dec 2025US 2025/0375720 A1The Pennington School, Women in STEM Solving Problems ("WISSP")
Most cited
By later US patents
- Method and apparatus for treating storm water107US 5,322,629 AW & H Pacific Inc. · 1994
- System for filtering liquids in a catch basin using filters in series and overflow channels87US 5,223,154 AEmcon Northwest, Inc. · 1993
- Combined air/water backwash in a travelling bridge filter83US 5,401,405 ADavis Water & Waste Industries, Inc. · 1995
- Water filtration process and apparatus having upflow filter with buoyant filter media and downflow filter with nonbuoyant filter media70US 4,547,286 ANeptune Microfloc, Inc. · 1985
- Water clarifying apparatus57US 4,931,175 ALenox Institute for Research, Inc. · 1990