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:
Jun. 03, 2014
Filed:
Oct. 20, 2010
Andrew Vize, Wolcott, VT (US);
Matthew Casari, Waterbury, VT (US);
Britt Holmen, Burlington, VT (US);
Jeff Frolik, Essex Junction, VT (US);
Andrew Vize, Wolcott, VT (US);
Matthew Casari, Waterbury, VT (US);
Britt Holmen, Burlington, VT (US);
Jeff Frolik, Essex Junction, VT (US);
The University of Vermont and State Agricultural College, Burlington, VT (US);
Abstract
The Portable Ultrafine Particle Sizer (PUPS) invention is provided. The PUPS is an instrument which can measure particle number concentration for particle sizes under 200 nanometers in-situ. The PUPS is a compact design for quick mounting on vehicles. Size discrimination is accomplished using a compact reverse Differential Mobility Analyzer (rDMA). Particle charging is accomplished using corona ionization. Concentration measurements are completed using a unique flexible printed circuit board electrode which can be removed for cleaning, disposal or chemical analysis of collected particles at the end of its in situ measurement life.