B01D 46/50
Means for discharging electrostatic potential
B01D46/50 (Means for discharging electrostatic potential) appears on 80 US grants and 84 published applications in this corpus.
Search patents in B01D- Granted patents
- 80
- Published applications
- 84
- Assignees
- 56
- Inventors
- 192
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 7 | 6 |
| 2004 | 5 | 8 |
| 2005 | 2 | 5 |
| 2006 | 8 | 8 |
| 2007 | 2 | 8 |
| 2008 | 5 | 5 |
| 2009 | 6 | 7 |
| 2010 | 5 | 6 |
| 2011 | 5 | 3 |
| 2012 | 6 | 1 |
| 2013 | 1 | 2 |
| 2014 | 3 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 4 |
| 2020 | 2 | 2 |
| 2021 | 1 | 3 |
| 2022 | 1 | 5 |
| 2023 | 5 | 2 |
| 2024 | 4 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Exhaust emissions filtering system48US 6,086,657 A2000
- Air filtration device44US 7,449,053 B22008
- Vacuum cleaner exhaust filter with ion generation stage27US 6,171,375 B2AB Electrolux · 2001
- Filter for gaseous media27US 6,527,834 B1Firma Carl Freudenberg · 2003
- Vapor purification with self-cleaning filter25US 6,660,061 B2Battelle Memorial Institute · 2003