B05B 5/008
With periodical change of polarity
Official title: {with periodical change of polarity}
B05B5/008 (With periodical change of polarity) appears on 8 US grants and 11 published applications in this corpus.
Search patents in B05B- Granted patents
- 8
- Published applications
- 11
- Assignees
- 9
- Inventors
- 16
- Latest grant
- 22 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Device and method for electrostatically spraying a liquid17 Nov 2015US 9,188,332 B2Centre National De La Recherche Scientifique
- Method and apparatus for producing uniform small portions of fine powders and articles thereof15 Dec 2009US 7,632,533 B2Microdose Therapeutx, Inc.
- Electrostatic sprayer4 Jul 2019US 2019/0201927 A1E-Mist Innovations, Inc.
- Electrostatic powder feeder30 Aug 2018US 2018/0243768 A1Powder Motion Labs, LLC
- Electrostatic powder feeder30 Aug 2018US 2018/0243769 A1Powder Motion Labs, LLC
- Multi-phase, variable frequecy electrospinner system19 Jul 2018US 2018/0202075 A1
- System and Method for Using an Electrostatic Tool27 Feb 2014US 2014/0057055 A1Finishing Brands Holdings Inc.
Most cited
By later US patents
- Method for depositing particles onto a substrate using an alternating electric field54US 6,923,979 B2Microdose Technologies, Inc. · 2005
- Method of ionizing a liquid propellant and an electric thruster implementing such a method19US 6,996,972 B2The Boeing Company · 2006
- Device for the powder-dusting of moving objects, particularly flat substrates11US 4,598,870 AWeitmann & Konrad GmbH & Co. KG · 1986
- Electrostatic powder feeder7US 10,213,797 B2Powder Motion Labs, LLC · 2019
- Method and apparatus for producing uniform small portions of fine powders and articles thereof7US 7,632,533 B2Microdose Therapeutx, Inc. · 2009