Thermal desorber assembly for high-volume sampling filters

US11958010B2 · kind B2 · utility

Assignees

• Signature Science, LLC · US
• The Government of the United States of America, as represented by the Secretary of Homeland Security · US

Inventors

• Joseph A. DiCicco · Cape May Court House, US
• Paul M. Flanigan, IV · Marlton, US
• David W. Perry · North Ridgeville, US
• John Brady · Medford, US
• Barry Smith · Weekstown, US

Key dates

• Filing date: Aug 6, 2021
• Grant date: Apr 16, 2024
• Expiry date: Aug 2, 2042

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N2001/028
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Disclosed is a thermal desorber assembly for desorbing substances collected on a high-volume sampling (HVS) filter. The assembly includes, among other elements, a filter holder for securing a HVS filter within the assembly, a desorber body, and an insulating enclosure. The design of the thermal desorber assembly is such that it can accommodate a variety of different types of HVS filter media. Also described herein is a system comprising the thermal desorber assembly and method of using the assembly.