B01D 2201/0469
Filter tubes connected to collector tubes
B01D2201/0469 (Filter tubes connected to collector tubes) appears on 98 US grants and 47 published applications in this corpus.
Search patents in B01D- Granted patents
- 98
- Published applications
- 47
- Assignees
- 49
- Inventors
- 171
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 2 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 7 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 3 | 4 |
| 2021 | 4 | 8 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 4 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spin-on filter assembly with replaceable coreless element5 Aug 2025US 12,377,371 B2Schroeder Industries, Inc.
- Regenerative media filtration17 Jun 2025US 12,330,093 B2Blue Skies Global LLC
- Regenerative media filtration17 Jun 2025US 12,330,094 B2Blue Skies Global LLC
- Filtering and concentrating apparatus having stirring function20 May 2025US 12,303,843 B2Zhejiang Dong'ou Filtering Machinery Manufacturing Co., Ltd.
- Passive membrane filtration system with pre-treatment10 Dec 2024US 12,161,954 B2Bio Clean Environmental Services, Inc.
- Effluent filtration of a washing machine through a helical brush10 Sep 2026US 2026/0263972 A1MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
- Spin-on filter assembly with replaceable coreless element13 Apr 2023US 2023/0113056 A1Schroeder Industries, Inc.
- Filtering and concentrating apparatus having stirring function for small ternary precursor particles, and concentrating method7 Jul 2022US 2022/0212121 A1Zhejiang Dong'ou Filtering Machinery Manufacturing Co., Ltd.
- Regenerative media filtration3 Mar 2022US 2022/0062802 A1Blue Skies Global LLC
- Device for separating solid materials from liquids and gases13 Jan 2022US 2022/0008846 A1DrM, Dr. Muller AG
Most cited
By later US patents
- Method and apparatus for testing the integrity of filter elements142US 5,417,101 APall Corporation · 1995
- Apparatus and method for treating storm water runoff129US 5,707,527 AStormwater Treatment LLC · 1998
- Pressure filter with vibratory impactor125US 4,526,688 AIndustrial Filter & Pump Mfg. Co. · 1985
- Filter apparatus for continuously thickening suspensions91US 4,511,471 ADrM, Dr. Muller AG · 1985
- Fluid separation apparatus76US 3,931,011 ARacor Industries, Inc. · 1976