B01D 29/13
Supported filter elements
B01D29/13 (Supported filter elements) appears on 3,482 US grants and 2,887 published applications in this corpus.
Search patents in B01D- Granted patents
- 3,482
- Published applications
- 2,887
- Assignees
- 1,399
- Inventors
- 5,364
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 39 | 0 |
| 1978 | 41 | 0 |
| 1979 | 32 | 0 |
| 1980 | 29 | 0 |
| 1981 | 50 | 0 |
| 1982 | 23 | 0 |
| 1983 | 26 | 0 |
| 1984 | 27 | 0 |
| 1985 | 44 | 0 |
| 1986 | 39 | 0 |
| 1987 | 46 | 0 |
| 1988 | 42 | 0 |
| 1989 | 56 | 0 |
| 1990 | 40 | 0 |
| 1991 | 46 | 0 |
| 1992 | 56 | 0 |
| 1993 | 66 | 0 |
| 1994 | 46 | 0 |
| 1995 | 52 | 0 |
| 1996 | 64 | 0 |
| 1997 | 88 | 0 |
| 1998 | 99 | 0 |
| 1999 | 95 | 0 |
| 2000 | 81 | 0 |
| 2001 | 92 | 27 |
| 2002 | 75 | 76 |
| 2003 | 80 | 118 |
| 2004 | 65 | 108 |
| 2005 | 85 | 86 |
| 2006 | 65 | 84 |
| 2007 | 49 | 80 |
| 2008 | 39 | 77 |
| 2009 | 29 | 76 |
| 2010 | 48 | 74 |
| 2011 | 56 | 85 |
| 2012 | 83 | 85 |
| 2013 | 61 | 111 |
| 2014 | 53 | 85 |
| 2015 | 62 | 112 |
| 2016 | 66 | 127 |
| 2017 | 70 | 112 |
| 2018 | 99 | 146 |
| 2019 | 118 | 164 |
| 2020 | 156 | 208 |
| 2021 | 130 | 192 |
| 2022 | 151 | 178 |
| 2023 | 155 | 146 |
| 2024 | 139 | 140 |
| 2025 | 129 | 111 |
| 2026 | 66 | 79 |
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
- 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
- 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
- Animal watering system8 Oct 2026US 2026/0305570 A1Aborder Products, Inc.
- Magnetically-coupled filtration system1 Oct 2026US 2026/0295477 A1
- Filter element endplate oriented on head in filter24 Sep 2026US 2026/0284559 A1Atmus Filtration Inc.
- Storage device and coolant system24 Sep 2026US 2026/0284815 A1Fanuc Corporation
- Filter Element17 Sep 2026US 2026/0273441 A1Hydac Filtertechnik GmbH
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