US Patent Issued to Veltek Associates on Sept. 23 for "Programmable logic controller-based system and user interface for air sampling in controlled environments" (Pennsylvania Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,420, issued on Sept. 23, was assigned to Veltek Associates Inc. (Malvern, Pa.).

"Programmable logic controller-based system and user interface for air sampling in controlled environments" was invented by Nathan G. Kocher (West Chester, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for sampling air at multiple locations in a controlled environment. The system and method includes automatic adjustment of mass flow rates and duration of vacuum connections (either via time elapsed or indirectly by volume) based on rates set by an operator. Additionally, the system and method enables users to monitor and control aspects of the sy...