B01D 46/0091
Including arrangements for environmental or personal protection
Official title: {Including arrangements for environmental or personal protection}
B01D46/0091 (Including arrangements for environmental or personal protection) appears on 236 US grants and 244 published applications in this corpus.
Search patents in B01D- Granted patents
- 236
- Published applications
- 244
- Assignees
- 145
- Inventors
- 435
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 5 | 6 |
| 2004 | 3 | 10 |
| 2005 | 6 | 5 |
| 2006 | 1 | 5 |
| 2007 | 1 | 5 |
| 2008 | 7 | 5 |
| 2009 | 3 | 7 |
| 2010 | 2 | 9 |
| 2011 | 10 | 11 |
| 2012 | 8 | 6 |
| 2013 | 6 | 5 |
| 2014 | 7 | 13 |
| 2015 | 7 | 6 |
| 2016 | 4 | 12 |
| 2017 | 5 | 4 |
| 2018 | 10 | 9 |
| 2019 | 6 | 5 |
| 2020 | 6 | 11 |
| 2021 | 13 | 22 |
| 2022 | 17 | 25 |
| 2023 | 20 | 25 |
| 2024 | 10 | 12 |
| 2025 | 10 | 15 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Relocation module and methods for surgical equipment4 Aug 2026US 12,697,266 B2Augustine Biomedical + Design, LLC
- Filter device for an additive manufacturing device12 May 2026US 12,623,285 B2EOS GmbH Electro Optical Systems
- Removal of part of a particle collection device7 Apr 2026US 12,594,520 B2EOS GmbH Electro Optical Systems
- Smart vent system for localized air quality control10 Mar 2026US 12,571,558 B2Tyco Fire & Security GmbH
- Method for the dry filtration of a gas flow carrying foreign objects, and filter device for cleaning raw gas carrying foreign objects27 Jan 2026US 12,533,616 B2Herding GmbH Filtertechnik
- Filter element and method for manufacturing a filter element20 Aug 2026US 2026/0241317 A1MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
- Filter system and method for pharmaceutical filling isolators13 Aug 2026US 2026/0233142 A1Vanrx Pharmasystems Inc.
- Apparatus for removing dust emitted from melting furnace25 Jun 2026US 2026/0177320 A1Korea Hydro & Nuclear Power Co., Ltd.
- Methods Of Reprocessing And Assembly Of A Filter Assembly For A Smoke Evacuation Unit18 Jun 2026US 2026/0166464 A1Stryker Corporation
- Method for the dry filtration of a gas flow carrying foreign objects, and filter device for cleaning raw gas carrying foreign objects7 May 2026US 2026/0124568 A1Herding GmbH Filtertechnik
Most cited
By later US patents
- Smoke plume evacuation filtration system295US 6,585,791 B12003
- Respiratory filter element having a storage device for keeping track of filter usage and a system for use therewith151US 6,186,140 B13M Innovative Properties Company · 2001
- Filter assembly74US 8,794,263 B2Mtt Technologies Limited · 2014
- Disposable HEPA filtration device53US 5,259,854 AGPAC, Inc. · 1993
- Personal air filtering and delivery systems48US 6,119,689 A2000