B01D 2201/4061
Between a cartridge and a filter head or manifold
Official title: between a cartridge and a filter head or manifold
B01D2201/4061 (Between a cartridge and a filter head or manifold) appears on 101 US grants and 143 published applications in this corpus.
Search patents in B01D- Granted patents
- 101
- Published applications
- 143
- Assignees
- 59
- Inventors
- 220
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 4 |
| 2015 | 1 | 4 |
| 2016 | 8 | 7 |
| 2017 | 5 | 7 |
| 2018 | 4 | 11 |
| 2019 | 3 | 13 |
| 2020 | 14 | 19 |
| 2021 | 10 | 15 |
| 2022 | 15 | 12 |
| 2023 | 13 | 9 |
| 2024 | 9 | 13 |
| 2025 | 8 | 13 |
| 2026 | 9 | 10 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Water filter cartridge and head having keyed engagement8 Sep 2026US 12,728,373 B2Culligan International Company
- Filter cartridge retention feature23 Jun 2026US 12,661,606 B2Atmus Filtration Inc.
- Water purifying filter assembly19 May 2026US 12,629,616 B2Samsung Electronics Co., Ltd.
- Leak detection and response system for a pressure vessel5 May 2026US 12,616,924 B2Watts Regulator Co.
- Water filter and home appliance having same7 Apr 2026US 12,595,190 B1LG Electronics Inc.
- Filter assemblies and related filter elements8 Oct 2026US 2026/0306974 A1Donaldson Company, Inc.
- Keyed flange filtration manifold interface8 Oct 2026US 2026/0306977 A1Midea Group Co., Ltd.
- Water filter and home appliance having same9 Jul 2026US 2026/0193105 A1LG Electronics Inc.
- Liquid filter equipped with an anti-leakage valve30 Apr 2026US 2026/0115633 A1Volvo Truck Corporation
- Refrigerator and manifold for water filter30 Apr 2026US 2026/0115635 A1Qingdao Ecopure Filter Co., Ltd.
Most cited
By later US patents
- Replacement filter cartridge67US 9,067,154 B13M Innovative Properties Company · 2015
- Push filter with floating key lock52US 9,233,322 B1KX Technologies LLC · 2016
- Water filter cartridge with slanted nozzles31US 10,682,593 B22020
- Spool valve manifold interconnect for a filter system30US 8,097,158 B23M Innovative Properties Company · 2012
- Filter cartridge27US 8,911,623 B23M Innovative Properties Company · 2014