B01D 29/945
For continuously discharging concentrated liquid
Official title: {for continuously discharging concentrated liquid}
B01D29/945 (For continuously discharging concentrated liquid) appears on 126 US grants and 14 published applications in this corpus.
Search patents in B01D- Granted patents
- 126
- Published applications
- 14
- Assignees
- 73
- Inventors
- 195
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- Filter device with spirally flushing function8 Feb 2022US 11,241,641 B2Kunshan Ecowater Systems Co., Ltd.
- Fuel filter for cleaning fuel for an internal combustion engine1 Jun 2021US 11,020,693 B2Mahle International GmbH
- Filter assembly for a dishwasher appliance19 Jun 2018US 9,999,338 B2Haier US Appliance Solution, Inc.
- Beer filter3 Sep 2013US 8,524,083 B2
- Mechanical Sludge Thickener System and Method Thereof16 Oct 2025US 2025/0320147 A1
- Filter Device21 Aug 2025US 2025/0262574 A1Hydac Process Technology GmbH
- Filter Device21 Nov 2024US 2024/0382875 A1Hydac Process Technology GmbH
- A pressure consumption regenerating filter18 Jul 2024US 2024/0238702 A1Inheriting Earth Limited
- Automatic Self-Cleaning Filter Driven by Submersible Actuator12 May 2022US 2022/0143535 A1
Most cited
By later US patents
- Cross-flow filtration device with filtrate flow conduits and method of forming same150US 4,781,831 A1988
- System for filtering liquids in a catch basin using filters in series and overflow channels87US 5,223,154 AEmcon Northwest, Inc. · 1993
- Rotary filtration device and filter pack therefor74US 5,254,250 AMembrex, Inc. · 1993
- Rotary disc filtration device73US 5,143,630 AMembrex, Inc. · 1992
- Spider fitting for multi-module filter system, and motive cart assembly comprising same70US 6,017,451 A2000