B01D 2201/32
Flow characteristics of the filter
B01D2201/32 (Flow characteristics of the filter) appears on 61 US grants and 100 published applications in this corpus.
Search patents in B01D- Granted patents
- 61
- Published applications
- 100
- Assignees
- 65
- Inventors
- 220
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 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 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 3 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 5 |
| 2018 | 0 | 8 |
| 2019 | 3 | 13 |
| 2020 | 11 | 11 |
| 2021 | 1 | 6 |
| 2022 | 5 | 13 |
| 2023 | 7 | 7 |
| 2024 | 11 | 10 |
| 2025 | 7 | 10 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two stage filter cartridge with an expandable frame facilitating replacement of the filter media1 Sep 2026US 12,722,105 B2Nanodocks Technology Limited
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,963 B2Samsung Electronics Co., Ltd.
- Impeller for laundry appliance that incorporates a filtering cap for separating particulate matter from wash fluid within the appliance2 Jun 2026US 12,644,219 B2Whirlpool Corporation
- Filter assemblies with unique shapes25 Nov 2025US 12,478,905 B2Cummins Filtration Inc.
- Perforated layer coalescer29 Jul 2025US 12,370,469 B2Cummins Filtration IP, Inc.
- Filter Element And Filter Device10 Sep 2026US 2026/0263970 A1Hydac Filtertechnik GmbH
- Impeller for laundry appliance that incorporates a filtering cap for separating particulate matter from wash fluid within the appliance10 Sep 2026US 2026/0265987 A1Whirlpool Corporation
- Washing machine appliance with a removable filtering agitator25 Jun 2026US 2026/0176808 A1Haier US Appliance Solutions, Inc.
- Filter for hydraulic fluids for hydraulic circuits19 Mar 2026US 2026/0077281 A1Mp Filtri S.P.A.
- Enhanced fuel water separation using structural embossing5 Feb 2026US 2026/0034481 A1Parker-Hannifin Corporation
Most cited
By later US patents
- Filter device with filter disks25US 6,343,697 B12002
- Filter and filter media having reduced restriction14US 8,852,310 B2Cummins Filtration IP, Inc. · 2014
- In-pipe storm water filter10US 11,459,744 B2The United States of America as represented by the Secretary of the Navy · 2022
- Filter and filter media having reduced restriction10US 9,504,950 B2Cummins Filtration IP, Inc. · 2016
- Gravity-fed water purification system8US 10,589,199 B22020