B01D 2279/65
Filters adapted for separating dispersed particles from gases or vapours specially modified
Official title: for the sterilisation of air
B01D2279/65 (Filters adapted for separating dispersed particles from gases or vapours specially modified) appears on 160 US grants and 304 published applications in this corpus.
Search patents in B01D- Granted patents
- 160
- Published applications
- 304
- Assignees
- 189
- Inventors
- 658
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 6 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 4 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 4 |
| 2017 | 0 | 5 |
| 2018 | 2 | 6 |
| 2019 | 2 | 4 |
| 2020 | 4 | 9 |
| 2021 | 11 | 38 |
| 2022 | 17 | 66 |
| 2023 | 17 | 55 |
| 2024 | 32 | 37 |
| 2025 | 31 | 33 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable breathing air filtering device and method6 Oct 2026US 12,752,231 B2King Abdullah University of Science and Technology
- Personal protective anti-viral face mask15 Sep 2026US 12,734,378 B2lowa State University Research Foundation, Inc.
- Preparation method of bismuth ion filter membrane and application thereof15 Sep 2026US 12,734,470 B2Work Together Marketing Consultant Limited
- Air purifier15 Sep 2026US 12,736,443 B2Samsung Electronics Co., Ltd.
- Indoor air cleaning system8 Sep 2026US 12,729,868 B2Microjet Technology Co., Ltd.
- System and method for air decontamination24 Sep 2026US 2026/0284251 A1
- Insertable media cleaner for hvac duct27 Aug 2026US 2026/0249219 A1Vibrant Building Technologies LLC
- Mobile pcr systems, mobile reverse pcr hoods and related methods27 Aug 2026US 2026/0249283 A1Radeas, LLC
- Biostatic filter assembly for automotive hvac systems20 Aug 2026US 2026/0241319 A1Tesla, Inc.
- Filter system and method for pharmaceutical filling isolators13 Aug 2026US 2026/0233142 A1Vanrx Pharmasystems Inc.
Most cited
By later US patents
- Smoke plume evacuation filtration system295US 6,585,791 B12003
- Air purification system185US 5,997,619 ANQ Environmental, Inc. · 1999
- Air purifier177US 6,494,940 B1Hamilton Beach/Proctor-Silex, Inc. · 2002
- Self-contained, portable room air treatment apparatus and method therefore107US 5,240,478 A1993
- Ultraviolet air purifier73US 6,464,760 B12002