B01D 24/4853
By clearness or turbidity measuring
Official title: {by clearness or turbidity measuring}
B01D24/4853 (By clearness or turbidity measuring) appears on 9 US grants and 10 published applications in this corpus.
Search patents in B01D- Granted patents
- 9
- Published applications
- 10
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 14 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Energy reduction and monitoring control system for backwashing media systems14 Dec 2021US 11,198,075 B2Nexom (US), Inc.
- Multistage fiber filtering apparatus capable of selectively filtering7 Dec 2021US 11,192,050 B2Doosan Heavy Industries Construction Co., Ltd
- Multistage fiber filtering apparatus capable of selectively filtering24 Mar 2020US 10,596,495 B2Doosan Heavy Industries Construction Co., Ltd
- System for automatic water discharge management9 Jan 2018US 9,862,619 B2Hellenbrand, Inc.
- Method of water discharge management24 May 2016US 9,346,689 B2Hellenbrand, Inc.
- Liquid filteration system6 Jan 2022US 2022/0001306 A1
- Multistage fiber filtering apparatus capable of selectively filtering11 Jun 2020US 2020/0179838 A1Doosan Heavy Industries Construction Co., Ltd
- Energy reduction and monitoring control system for backwashing media systems16 Aug 2018US 2018/0229156 A1Nexom (US), Inc.
- Multistage Fiber Filtering Apparatus Capable of Selectively Filtering28 Dec 2017US 2017/0368482 A1Doosan Heavy Industries Construction Co., Ltd
- Energy reduction and monitoring control system for backwashing media systems23 Mar 2017US 2017/0080360 A1Nexom (US), Inc.
Most cited
By later US patents
- Method and apparatus for acoustically driven media filtration86US 6,221,258 B1Case Western Reserve University · 2001
- Method and apparatus for acoustically driven media filtration54US 6,797,158 B2Case Western Reserve University · 2004
- Multi-cell filter apparatus and turbidity monitor15US 5,362,384 AAqua-Aerobic Systems, Inc. · 1994
- Process and reactor for water treatment using a granular bed adapted to float during cleaning3US 5,252,231 AInstitut National Des Sciences Appliquees De Toulouse · 1993
- Multistage fiber filtering apparatus capable of selectively filtering2US 10,596,495 B2Doosan Heavy Industries Construction Co., Ltd · 2020