B01D 46/0084
Provided with safety means
Official title: {provided with safety means}
B01D46/0084 (Provided with safety means) appears on 1,457 US grants and 1,611 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,457
- Published applications
- 1,611
- Assignees
- 708
- Inventors
- 3,177
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 22 | 0 |
| 1999 | 8 | 0 |
| 2000 | 22 | 0 |
| 2001 | 27 | 7 |
| 2002 | 26 | 28 |
| 2003 | 27 | 25 |
| 2004 | 31 | 45 |
| 2005 | 34 | 31 |
| 2006 | 21 | 43 |
| 2007 | 19 | 53 |
| 2008 | 30 | 28 |
| 2009 | 29 | 41 |
| 2010 | 24 | 41 |
| 2011 | 37 | 57 |
| 2012 | 34 | 48 |
| 2013 | 42 | 41 |
| 2014 | 32 | 64 |
| 2015 | 48 | 65 |
| 2016 | 47 | 95 |
| 2017 | 65 | 81 |
| 2018 | 67 | 100 |
| 2019 | 69 | 89 |
| 2020 | 106 | 105 |
| 2021 | 87 | 124 |
| 2022 | 82 | 108 |
| 2023 | 86 | 93 |
| 2024 | 71 | 84 |
| 2025 | 67 | 70 |
| 2026 | 53 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 46/0086Filter condition indicators781
- B01D 46/0091Including arrangements for environmental or personal protection236
- B01D 46/009Identification of filter type or position thereof191
- B01D 46/0087Bypass or safety valves134
- B01D 46/0095Means acting upon failure of the filtering system96
- B01D 46/0097Special means for preventing bypass around the filter, i.e. in addition to42
- B01D 46/0089Anti-return means38
- B01D 46/0098Protecting coverages on the filter which is removed before the filter is29
Recent patents
- Haircare appliance29 Sep 2026US 12,746,492 B2Dyson Technology Limited
- Insufflator with filter loading detection device22 Sep 2026US 12,741,106 B2Novanta Medical GmbH
- Control of evacuation stations8 Sep 2026US 12,727,729 B2iRobot Corporation
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- System for reducing atmospheric pollution generated in printing house, and operation method therefor1 Sep 2026US 12,722,110 B2The Seoul Institute
- Air cleaner8 Oct 2026US 2026/0309347 A1LG Electronics Inc.
- Air filtration system with main and subsidiary assemblies1 Oct 2026US 2026/0295493 A1Apex Brands, Inc.
- Filter elements, related filter assembly and filter package10 Sep 2026US 2026/0263981 A1Donaldson Company, Inc.
- Air filter with coupled sample collection/analysis27 Aug 2026US 2026/0249222 A1Kappa Filter Systems GmbH
- Filter element and filter device27 Aug 2026US 2026/0249224 A1Mann+Hummel GmbH
Most cited
By later US patents
- Inline filter apparatus526US 5,820,646 ADonaldson Company, Inc. · 1998
- Air filtration system with filter efficiency management373US 6,391,102 B1Stackhouse, Inc. · 2002
- Dual mode laser smoke evacuation system with sequential filter monitor and vacuum compensation360US 5,242,474 ASorenson Laboratories, Inc. · 1993
- Air cleaner having sealing arrangement between media arrangement and housing342US 6,179,890 B2Donaldson Company, Inc. · 2001
- Smoke evacuator system for use in laser surgery336US 4,701,193 AXanar, Inc. · 1987