The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2013
Filed:
Nov. 09, 2010
Amir A. Naqwi, Eden Prairie, MN (US);
Christopher W. Fandrey, Minneapolis, MN (US);
Zeeshan H. Syedain, Minneapolis, MN (US);
Amir A. Naqwi, Eden Prairie, MN (US);
Christopher W. Fandrey, Minneapolis, MN (US);
Zeeshan H. Syedain, Minneapolis, MN (US);
MSP Corporation, Shoreview, MN (US);
Abstract
A device for generating sprays of charged droplets, and resulting nanoparticles, the device comprising a first needle connected to an electrical potential line to generate a first spray of charged particles from the first needle, and a second needle spaced apart from and facing the first needle, and connected to an electrical line configured to ground the second needle or to apply a voltage to the second needle that is the same polarity as the voltage applied to the first needle. The device also comprising an electric field modifier connected to the first needle, and configured to modify an electrical field to generate a second spray of charged particles from the second needle.