B01D 2201/56
Wireless systems for monitoring the filter
B01D2201/56 (Wireless systems for monitoring the filter) appears on 141 US grants and 220 published applications in this corpus.
Search patents in B01D- Granted patents
- 141
- Published applications
- 220
- Assignees
- 101
- Inventors
- 394
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 3 | 5 |
| 2010 | 5 | 5 |
| 2011 | 5 | 15 |
| 2012 | 7 | 5 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 4 |
| 2017 | 2 | 13 |
| 2018 | 5 | 8 |
| 2019 | 19 | 22 |
| 2020 | 8 | 33 |
| 2021 | 20 | 21 |
| 2022 | 12 | 20 |
| 2023 | 17 | 11 |
| 2024 | 9 | 16 |
| 2025 | 11 | 15 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refrigerator appliance including a water filter with wireless power transfer30 Jun 2026US 12,667,797 B2Haier US Appliance Solutions, Inc.
- Health meter30 Jun 2026US 12,667,800 B2Eagle Xience Technologies Limited
- Power and communication delivery configuration for a water filtration assembly of an appliance17 Feb 2026US 12,551,827 B2Haier US Appliance Solutions, Inc.
- Swimming pool filter detection system and method20 Jan 2026US 12,528,036 B2Pentair Water Pool and Spa, Inc.
- Multi-zone filtration monitoring systems and methods13 Jan 2026US 12,525,113 B2Donaldson Company, Inc.
- Filtration system25 Jun 2026US 2026/0175151 A1Mitsubishi Kakoki Kaisha, Ltd.
- Method and system for estimating remaining useful life of fuel filter18 Jun 2026US 2026/0166456 A1Caterpillar Inc.
- Swimming pool filter detection system and method28 May 2026US 2026/0145102 A1Pentair Water Pool and Spa, Inc.
- Wastewater screen filter and vibration monitor19 Mar 2026US 2026/0078018 A1Headworks International, Inc.
- Connection head for a filter candle, and installation system19 Feb 2026US 2026/0048350 A1BWT Holding GmbH
Most cited
By later US patents
- Device and method for monitoring the integrity of filtering installations289US 7,048,775 B2Sartorius AG · 2006
- Identification of filter media within a filtration system255US 10,143,948 B23M Innovative Properties Company · 2018
- Assembly of filtering apparatus and replaceable filter; and filtering apparatus and filter for use therein103US 5,674,381 ADoctro A.V.V. · 1997
- System for monitoring the performance of fluid treatment cartridges72US 7,638,042 B23M Innovative Properties Company · 2009
- Smart filter for an appliance49US 8,118,997 B2Whirlpool Corporation · 2012