B01D 2201/46
Several filtrate discharge conduits each connected to one filter element or group
Official title: Several filtrate discharge conduits each connected to one filter element or group of filter elements
B01D2201/46 (Several filtrate discharge conduits each connected to one filter element or group) appears on 88 US grants and 60 published applications in this corpus.
Search patents in B01D- Granted patents
- 88
- Published applications
- 60
- Assignees
- 67
- Inventors
- 199
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 2 |
| 2003 | 2 | 5 |
| 2004 | 1 | 3 |
| 2005 | 3 | 4 |
| 2006 | 0 | 5 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 2 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 2 |
| 2020 | 4 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 6 |
| 2025 | 2 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter cartridge and filter having same25 Aug 2026US 12,714,954 B2Solventum Intellectual Properties Company
- Rotary filter and associated filtering method31 Mar 2026US 12,589,340 B2Gaudfrin
- Oil filter with two filtrate outlets and vehicle lubrication circuit3 Mar 2026US 12,564,801 B2Volvo Truck Corporation
- Water tank with tank outlet valve and water filter cartridge with two water filter cartridge outlets which are arranged concentrically to one another30 Sep 2025US 12,427,450 B2AQUIS WASSER-LUFT-SYSTEME GMBH, Lindau
- Disc filters and methods of operating disc filters11 Mar 2025US 12,246,275 B2Kadant Black Clawson LLC
- Composite filter and water purifier including same4 Jun 2026US 2026/0152414 A1Coway Co., Ltd.
- Filter element with integrated drain filter21 May 2026US 2026/0138060 A1Donaldson Company, Inc.
- Filter arrangement for cleaning hydraulic oil9 Apr 2026US 2026/0097335 A1Deere & Company
- Filter system for filtering fluids and filter element for filter system13 Nov 2025US 2025/0345729 A1Mann+Hummel GmbH
- Filter cartridge and filter having same14 Nov 2024US 2024/0375026 A13M Innovative Properties Company
Most cited
By later US patents
- Filter element and manufacture method thereof141US 5,049,326 ANippondenso Co., Ltd. · 1991
- Method for producing ceramic honeycomb filters127US 4,293,357 ANGK Insulators, Ltd. · 1981
- Honeycomb filter and method of making it102US 4,416,676 ACorning Glass Works · 1983
- Filter element and manufacture method thereof95US 5,002,666 ANippondenso Co., Ltd. · 1991
- Filter apparatus for continuously thickening suspensions91US 4,511,471 ADrM, Dr. Muller AG · 1985