B01D 29/92
For discharging filtrate
Official title: for discharging filtrate
B01D29/92 (For discharging filtrate) appears on 397 US grants and 263 published applications in this corpus.
Search patents in B01D- Granted patents
- 397
- Published applications
- 263
- Assignees
- 250
- Inventors
- 802
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 22 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 15 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 15 | 0 |
| 2001 | 7 | 2 |
| 2002 | 8 | 8 |
| 2003 | 9 | 17 |
| 2004 | 13 | 9 |
| 2005 | 3 | 10 |
| 2006 | 8 | 9 |
| 2007 | 2 | 5 |
| 2008 | 2 | 5 |
| 2009 | 2 | 6 |
| 2010 | 9 | 3 |
| 2011 | 2 | 5 |
| 2012 | 7 | 11 |
| 2013 | 4 | 5 |
| 2014 | 5 | 5 |
| 2015 | 2 | 7 |
| 2016 | 8 | 6 |
| 2017 | 3 | 13 |
| 2018 | 6 | 18 |
| 2019 | 8 | 12 |
| 2020 | 12 | 18 |
| 2021 | 10 | 22 |
| 2022 | 15 | 16 |
| 2023 | 9 | 16 |
| 2024 | 14 | 9 |
| 2025 | 9 | 15 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Filter assembly with minimized pressure with replaceable element therefore with integrated diverter endcap10 Mar 2026US 12,569,788 B2Schroeder Industries, Inc.
- Oil filter with two filtrate outlets and vehicle lubrication circuit3 Mar 2026US 12,564,801 B2Volvo Truck Corporation
- End material recovery apparatus13 Jan 2026US 12,521,654 B2Kioxia Corporation
- Water filter hydrator16 Dec 2025US 12,496,540 B1
- Water filter14 Oct 2025US 12,440,786 B2Karofi R&D Company Limited
- Filtering device and reaction vessel and method for manufacturing aqueous slurry using the same8 Oct 2026US 2026/0306972 A1Umicore Battery Materials Finland Oy
- A dishwasher and sump arrangement thereof6 Aug 2026US 2026/0224088 A1Electrolux Appliances Aktiebolag
- Removable Cartridge Design with Threaded Center Tube2 Jul 2026US 2026/0183684 A1Parker-Hannifin Corporation
- Filter dryer component and filter dryer2 Jul 2026US 2026/0183685 A1
- Channel-separating structure and method for manufacturing a channel-separating structure7 May 2026US 2026/0124562 A1Caware Filtering Corporation
Most cited
By later US patents
- Quick-change filter cartridge and head therefor175US 4,735,716 ACuno Corporated · 1988
- Personal water filter bottle system161US 6,569,329 B1Innova Pure Water Inc. · 2003
- Method and apparatus for testing the integrity of filter elements142US 5,417,101 APall Corporation · 1995
- Recharge and filter assembly with replaceable cartridge131US 6,235,194 B1Parker-Hannifin Corporation · 2001
- Stackable filter head unit130US 4,192,750 AMassey-Ferguson Inc. · 1980