B01D 46/58
Connected in parallel
Official title: connected in parallel
B01D46/58 (Connected in parallel) appears on 931 US grants and 952 published applications in this corpus.
Search patents in B01D- Granted patents
- 931
- Published applications
- 952
- Assignees
- 487
- Inventors
- 1,964
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 14 | 0 |
| 1995 | 19 | 0 |
| 1996 | 14 | 0 |
| 1997 | 8 | 0 |
| 1998 | 18 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 2 |
| 2002 | 17 | 10 |
| 2003 | 10 | 12 |
| 2004 | 11 | 17 |
| 2005 | 16 | 18 |
| 2006 | 11 | 24 |
| 2007 | 13 | 25 |
| 2008 | 11 | 22 |
| 2009 | 14 | 31 |
| 2010 | 12 | 32 |
| 2011 | 24 | 21 |
| 2012 | 22 | 41 |
| 2013 | 26 | 27 |
| 2014 | 31 | 44 |
| 2015 | 25 | 48 |
| 2016 | 32 | 51 |
| 2017 | 46 | 81 |
| 2018 | 41 | 40 |
| 2019 | 50 | 41 |
| 2020 | 44 | 51 |
| 2021 | 43 | 83 |
| 2022 | 39 | 66 |
| 2023 | 45 | 61 |
| 2024 | 50 | 48 |
| 2025 | 50 | 30 |
| 2026 | 24 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air filtration assembly6 Oct 2026US 12,752,230 B2Ufi Innovation Center S.R.L.
- Point of use or point of dispense filter with multiple pleat packs15 Sep 2026US 12,734,488 B2Entegris, Inc.
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- Z-shield™ filtered air protective system4 Aug 2026US 12,697,512 B2
- Sideload disinfecting modular filtration system28 Jul 2026US 12,691,399 B2Healthway Home Products Company Inc.
- Stackable air treatment device8 Oct 2026US 2026/0306982 A1Carrier Corporation
- Separator for a fluid cleaning device24 Sep 2026US 2026/0284678 A1Dyson Technology Limited
- Method of manufacturing a filter unit for an air purifying respirator and such a filter unit27 Aug 2026US 2026/0249530 A1Tiki Safety AB
- Environmentally conscious cremation20 Aug 2026US 2026/0240707 A1
- Flue gas cleaning system23 Jul 2026US 2026/0208089 A1Kanadevia Inova AG
Most cited
By later US patents
- Air filtration arrangements having fluted media constructions and methods381US 6,673,136 B2Donaldson Company, Inc. · 2004
- Filter arrangement and methods250US 6,348,085 B1Donaldson Company, Inc. · 2002
- Filter construction resistant to the passage of water soluble materials; and method221US 6,123,751 ADonaldson Company, Inc. · 2000
- Compact dust filter assembly211US 4,395,269 ADonaldson Company, Inc. · 1983
- Non-round unitary filter cartridge193US 5,730,766 ABHA Group, Inc. · 1998