B01D 33/805
By clearness or turbidity measuring
Official title: {by clearness or turbidity measuring}
B01D33/805 (By clearness or turbidity measuring) appears on 7 US grants and 6 published applications in this corpus.
Search patents in B01D- Granted patents
- 7
- Published applications
- 6
- Assignees
- 6
- Inventors
- 28
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 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 | 0 | 0 |
| 2003 | 0 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optimization of rotary filters relative to risk of clogging a facility for pumping water from a natural site12 Sep 2023US 11,752,456 B2Electricite de France
- Device for treating an effluent and method for treating an effluent18 May 2021US 11,007,460 B2Suez International
- Self cleaning pool cleaner24 Nov 2020US 10,843,106 B2Maytronics Ltd.
- Ballast water treatment device28 Aug 2018US 10,058,806 B2Miura Co., Ltd.
- Contaminated solution filtration apparatus and machining solution filtration apparatus for machining device22 Jun 1993US 5,221,467 AMitsubishi Denki Kabushiki Kaisha
- Disposable filtration device for purifying adipose tissue30 Jan 2025US 2025/0032962 A1
- Optimization of rotary filters relative to risk of clogging a facility for pumping water from a natural site26 Nov 2020US 2020/0368651 A1Electricite de France
- Device for treating an effluent and method for treating an effluent1 Aug 2019US 2019/0232204 A1Suez International
- Self cleaning pool cleaner16 Aug 2018US 2018/0229160 A1Maytronics Ltd.
- Water treatment method and water treatment device20 Jul 2017US 2017/0203239 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Continuous backwashing filter apparatus with filtered fluid retention plate30US 5,128,029 A1992
- Method and an apparatus for extracting a liquid from a sludge29US 5,021,166 A1991
- Ballast water treatment device9US 10,058,806 B2Miura Co., Ltd. · 2018
- Contaminated solution filtration apparatus and machining solution filtration apparatus for machining device8US 5,221,467 AMitsubishi Denki Kabushiki Kaisha · 1993