B01D 37/041
By clearness or turbidity measuring
Official title: {by clearness or turbidity measuring}
B01D37/041 (By clearness or turbidity measuring) appears on 19 US grants and 19 published applications in this corpus.
Search patents in B01D- Granted patents
- 19
- Published applications
- 19
- Assignees
- 16
- Inventors
- 46
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 0 | 0 |
| 2019 | 3 | 3 |
| 2020 | 0 | 1 |
| 2021 | 3 | 2 |
| 2022 | 4 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for filtration of industrial and mobile fluids21 Apr 2026US 12,605,660 B2FluidLoop Technologies, LLC
- Batch-type apparatus for filtering17 Mar 2026US 12,576,351 B2Samsung Electronics Co., Ltd.
- System and method for filtration of industrial and mobile fluids30 Dec 2025US 12,508,525 B2FluidLoop Technologies, LLC
- Water purifier and flow rate control method therefor27 Dec 2022US 11,534,709 B2Coway Co., Ltd.
- Water purifier and flow rate control method therefor29 Mar 2022US 11,285,415 B2Coway Co., Ltd.
- Method for evaluating filtration filter30 Jul 2026US 2026/0220759 A1Nsk Ltd.
- Chip filtering system and chip filtration method thereof25 Jun 2026US 2026/0175341 A1Industrial Technology Research Institute
- System And Method For Filtration Of Industrial And Mobile Fluids19 Mar 2026US 2026/0077284 A1FluidLoop Technologies, LLC
- Method and system for producing at least one oil product from waste oil5 Dec 2024US 2024/0400913 A1
- System And Method For Filtration Of Industrial And Mobile Fluids2 May 2024US 2024/0139661 A1FluidLoop Technologies, LLC
Most cited
By later US patents
- Method and apparatus for optimizing operation of a filter system40US 5,589,076 AWomack International, Inc. · 1996
- Method and apparatus for reclaiming used working fluid31US 5,772,900 ANoritake Co., Limited · 1998
- Method of maintaining water quality in a process stream11US 9,409,110 B2Nalco Company · 2016
- Controlling the supply of bodyfeed to a filter4US 6,589,430 B1Carlton and United Breweries Limited · 2003
- Filter backwash control system for a water or wastewater treatment system to conserve water during the filter backwash process3US 10,967,303 B22021