B01D 29/115
Open-ended, the arrival of the mixture to be filtered and the discharge
Official title: {open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}
B01D29/115 (Open-ended, the arrival of the mixture to be filtered and the discharge) appears on 68 US grants and 37 published applications in this corpus.
Search patents in B01D- Granted patents
- 68
- Published applications
- 37
- Assignees
- 56
- Inventors
- 121
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 3 |
| 2002 | 0 | 0 |
| 2003 | 3 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 2 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machine for processing liquid or semi-liquid food products11 Aug 2026US 12,702,144 B2Ali Group S.R.L.—Carpigiani
- Apparatus and methods for dewatering sludge10 Oct 2023US 11,780,757 B2Biovac Solutions Inc.
- Filter device, in particular for gas filtration29 Aug 2023US 11,738,296 B2Mann+Hummel GmbH
- Filter capsule and method of use12 Jul 2022US 11,383,188 B2Pall Corporation
- Apparatus and methods for dewatering sludge5 Apr 2022US 11,292,739 B2Biovac Solutions Inc.
- Oil filtration and lubrication system for sealing system of azimuth thruster2 Jan 2025US 2025/0002131 A1Steerprop Oy
- Machine for processing liquid or semi-liquid food products18 Jul 2024US 2024/0237671 A1Ali Group S.R.L.—Carpigiani
- Water filter/screen26 Oct 2023US 2023/0340743 A1Dama Manufacturing Limited
- Apparatus and methods for dewatering sludge7 Jul 2022US 2022/0212974 A1Biovac Solutions Inc.
- Filter capsule and method of use10 Dec 2020US 2020/0384394 A1Pall Corporation
Most cited
By later US patents
- Cleaning of hollow fibre membranes73US 6,159,373 AUSF Filtration and Separations Group, Inc. · 2000
- Method of conducting catalytic converter multi-phase reaction42US 5,422,375 ADen Norske Stats Oljeselskap A.S. · 1995
- Rotary filtration device with flow-through inner member35US 5,944,998 AMembrex, Inc. · 1999
- Centrifugal debris catcher34US 4,857,175 ATeleco Oilfield Services Inc. · 1989
- Catalytic multi-phase reactor30US 5,407,644 ADen Norske Stats Oljesselskap A.S. · 1995