B01D 29/15
Arranged for inward flow filtration
Official title: arranged for inward flow filtration
B01D29/15 (Arranged for inward flow filtration) appears on 2,452 US grants and 2,046 published applications in this corpus.
Search patents in B01D- Granted patents
- 2,452
- Published applications
- 2,046
- Assignees
- 953
- Inventors
- 3,840
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 27 | 0 |
| 1978 | 31 | 0 |
| 1979 | 18 | 0 |
| 1980 | 24 | 0 |
| 1981 | 32 | 0 |
| 1982 | 18 | 0 |
| 1983 | 20 | 0 |
| 1984 | 19 | 0 |
| 1985 | 31 | 0 |
| 1986 | 33 | 0 |
| 1987 | 39 | 0 |
| 1988 | 28 | 0 |
| 1989 | 27 | 0 |
| 1990 | 27 | 0 |
| 1991 | 27 | 0 |
| 1992 | 38 | 0 |
| 1993 | 37 | 0 |
| 1994 | 27 | 0 |
| 1995 | 37 | 0 |
| 1996 | 42 | 0 |
| 1997 | 64 | 0 |
| 1998 | 83 | 0 |
| 1999 | 80 | 0 |
| 2000 | 54 | 0 |
| 2001 | 72 | 22 |
| 2002 | 56 | 62 |
| 2003 | 67 | 97 |
| 2004 | 52 | 79 |
| 2005 | 60 | 60 |
| 2006 | 50 | 71 |
| 2007 | 36 | 66 |
| 2008 | 30 | 58 |
| 2009 | 23 | 62 |
| 2010 | 36 | 59 |
| 2011 | 40 | 59 |
| 2012 | 64 | 66 |
| 2013 | 48 | 81 |
| 2014 | 41 | 59 |
| 2015 | 37 | 73 |
| 2016 | 44 | 73 |
| 2017 | 44 | 77 |
| 2018 | 59 | 100 |
| 2019 | 76 | 113 |
| 2020 | 107 | 147 |
| 2021 | 89 | 136 |
| 2022 | 111 | 117 |
| 2023 | 110 | 92 |
| 2024 | 91 | 93 |
| 2025 | 84 | 80 |
| 2026 | 43 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Candle filter device6 Oct 2026US 12,752,222 B2Lenzing Aktiengesellschaft
- Filter cartridge and filter having same25 Aug 2026US 12,714,954 B2Solventum Intellectual Properties Company
- Retrofitting and use of rectangular filters, assembly and method for filtration25 Aug 2026US 12,714,957 B2Filtration Technology Corporation
- Filter apparatus with pivotable filter cartridge11 Aug 2026US 12,702,940 B2Robert Bosch GmbH
- Hybrid filter element apparatus7 Jul 2026US 12,673,280 B2
- Magnetically-coupled filtration system1 Oct 2026US 2026/0295477 A1
- Filter element endplate oriented on head in filter24 Sep 2026US 2026/0284559 A1Atmus Filtration Inc.
- Filter Element17 Sep 2026US 2026/0273441 A1Hydac Filtertechnik GmbH
- Filter Element And Filter Device10 Sep 2026US 2026/0263970 A1Hydac Filtertechnik GmbH
- Washing machine effluent filtration with an agitator rotating around a filter element3 Sep 2026US 2026/0257157 A1MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
Most cited
By later US patents
- Fluid filter system524US 8,272,516 B2Advanced Filtration Systems Inc. · 2012
- Deformable well screen320US 5,901,789 AShell Oil Company · 1999
- Environmentally friendly filter cartridge275US 5,685,985 ABaldwin Filters, Inc. · 1997
- Replacement filter cartridge assembly253US 5,211,846 APleatco Electronic & Filter Corp. · 1993
- Corrugated filter element with external spiral tape support218US 4,402,830 APall Corporation · 1983