B01D 46/785
By electrical means
Official title: {by electrical means, e.g. for the generation of electrostatic forces in order to reject particles}
B01D46/785 (By electrical means) appears on 32 US grants and 35 published applications in this corpus.
Search patents in B01D- Granted patents
- 32
- Published applications
- 35
- Assignees
- 27
- Inventors
- 69
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 1 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 0 | 2 |
| 2021 | 3 | 6 |
| 2022 | 5 | 0 |
| 2023 | 3 | 3 |
| 2024 | 4 | 4 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air conditioning apparatus15 Sep 2026US 12,734,472 B2LG Electronics Inc.
- Systems and methods for anti-microbial purification of air10 Sep 2024US 12,083,465 B2The Boeing Company
- Air conditioning apparatus27 Aug 2024US 12,070,715 B2LG Electronics Inc.
- Laser-induced graphene filters and methods of making and using same16 Apr 2024US 11,958,006 B2B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- Air sanitizing apparatus for interior of vehicle and method of sanitizing air in the vehicle using the apparatus13 Feb 2024US 11,897,318 B2Ford Global Technologies, LLC
- Air conditioning apparatus31 Oct 2024US 2024/0359125 A1LG Electronics Inc.
- Recyclable electret filtering membrane, preparation method therefor and cleaning and charge regeneration method therefor17 Oct 2024US 2024/0342661 A1South China University of Technology
- Charging device3 Oct 2024US 2024/0325961 A1The University of Tokyo
- Air Decontamination and Self-Renewing Purification System Utilizing a Filter4 Jan 2024US 2024/0000990 A1Metalmark Innovations, PBC
- Air conditioning apparatus14 Sep 2023US 2023/0285888 A1LG Electronics Inc.
Most cited
By later US patents
- Removable filter for a forced air duct grill59US 5,690,719 A1997
- Filter element16US 6,991,673 B2NV Bekaert SA · 2006
- Method and means for measuring particulate matter on a filter12US 4,400,971 AElectric Power Research Institute, Inc. · 1983
- Electrical enhancement of fabric filter performance8US 7,294,169 B2General Electric Company · 2007
- Apparatus and method for the removal of particulate matter in a filtration system8US 7,341,616 B2General Electric Company · 2008