B01D 29/663
By using membranes
Official title: {by using membranes}
B01D29/663 (By using membranes) appears on 16 US grants and 10 published applications in this corpus.
Search patents in B01D- Granted patents
- 16
- Published applications
- 10
- Assignees
- 12
- Inventors
- 31
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Separation recovery system and separation recovery method5 Dec 2023US 11,833,455 B2Murata Manufacturing Co., Ltd.
- Water purifying system and backwash module control method thereof6 Apr 2021US 10,967,309 B2Doosan Heavy Industries Construction Co., Ltd
- Water purifying system and backwash module control method thereof18 Jun 2019US 10,322,361 B2Doosan Heavy Industries Construction Co., Ltd
- Self-cleaning pre-filter system17 Jun 2003US 6,579,447 B2Lancer Partnership, Ltd.
- Pressurized backflush system13 May 2003US 6,562,246 B2Kadant Inc.
- Separation recovery system and separation recovery method13 Apr 2023US 2023/0116829 A1Murata Manufacturing Co., Ltd.
- Separation recovery system and separation recovery method24 Sep 2020US 2020/0298150 A1Murata Manufacturing Co., Ltd.
- Water purifying system and backwash module control method thereof29 Aug 2019US 2019/0262747 A1Doosan Heavy Industries Construction Co., Ltd
- Method for operating filtration apparatus and filtration apparatus27 Dec 2018US 2018/0369723 A1Sumitomo Electric Industries, Ltd.
- Water purifying system and backwash module control method thereof27 Apr 2017US 2017/0113167 A1Doosan Heavy Industries Construction Co., Ltd
Most cited
By later US patents
- Self-regenerating pressurized filtering system for liquids56US 5,389,243 A1995
- Filter backwashing system using moveable member responsive to closing of filter outlet25US 5,234,605 A1993
- Process for sealing microplates utilizing a thin polymeric film22US 5,665,247 AWhatman, Inc. · 1997
- Thin pliable polymeric film for sealing microplates13US 5,853,586 AWhatman, Inc. · 1998
- Pressurized backflush system13US 6,562,246 B2Kadant Inc. · 2003