B01D 29/23
Arranged for outward flow filtration
Official title: arranged for outward flow filtration
B01D29/23 (Arranged for outward flow filtration) appears on 1,144 US grants and 924 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,144
- Published applications
- 924
- Assignees
- 576
- Inventors
- 1,930
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 15 | 0 |
| 1980 | 6 | 0 |
| 1981 | 19 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 17 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 15 | 0 |
| 1989 | 28 | 0 |
| 1990 | 18 | 0 |
| 1991 | 23 | 0 |
| 1992 | 17 | 0 |
| 1993 | 30 | 0 |
| 1994 | 19 | 0 |
| 1995 | 16 | 0 |
| 1996 | 25 | 0 |
| 1997 | 28 | 0 |
| 1998 | 21 | 0 |
| 1999 | 20 | 0 |
| 2000 | 33 | 0 |
| 2001 | 28 | 7 |
| 2002 | 25 | 23 |
| 2003 | 20 | 30 |
| 2004 | 21 | 35 |
| 2005 | 28 | 32 |
| 2006 | 17 | 23 |
| 2007 | 16 | 22 |
| 2008 | 10 | 26 |
| 2009 | 9 | 21 |
| 2010 | 17 | 24 |
| 2011 | 24 | 31 |
| 2012 | 33 | 30 |
| 2013 | 17 | 34 |
| 2014 | 15 | 26 |
| 2015 | 25 | 32 |
| 2016 | 21 | 56 |
| 2017 | 30 | 37 |
| 2018 | 38 | 47 |
| 2019 | 39 | 50 |
| 2020 | 49 | 67 |
| 2021 | 38 | 48 |
| 2022 | 44 | 63 |
| 2023 | 39 | 49 |
| 2024 | 46 | 49 |
| 2025 | 40 | 37 |
| 2026 | 19 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Septic tank effluent filters15 Sep 2026US 12,734,467 B2Orenco Systems, Inc.
- Two stage filter cartridge with an expandable frame facilitating replacement of the filter media1 Sep 2026US 12,722,105 B2Nanodocks Technology Limited
- Clothes treating apparatus11 Aug 2026US 12,703,938 B2Samsung Electronics Co., Ltd.
- Microcarrier filter bag assemblies and methods of use28 Jul 2026US 12,691,394 B2Life Technologies Corporation
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,962 B2Samsung Electronics Co., Ltd.
- Animal watering system8 Oct 2026US 2026/0305570 A1Aborder Products, Inc.
- Magnetically-coupled filtration system1 Oct 2026US 2026/0295477 A1
- Storage device and coolant system24 Sep 2026US 2026/0284815 A1Fanuc Corporation
- Vortical cross-flow filtration system10 Sep 2026US 2026/0263971 A1Cleanr Inc.
- Effluent filtration of a washing machine through a helical brush10 Sep 2026US 2026/0263972 A1MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
Most cited
By later US patents
- Multi-element cylindrical filter with equalized flow185US 6,511,599 B2Nelson Industries, Inc. · 2003
- Blood filter with concentric pleats and method of use111US 5,651,765 AAvecor Cardiovascular, Inc. · 1997
- Trailer mounted mobile apparatus for dewatering and recovering formation sand109US 7,240,681 B22007
- Filter element assembly replaceable mesh pack102US 4,812,235 AHR Textron, Inc. · 1989
- Storm drain liner102US 6,086,758 APacTec, Inc. · 2000