ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,398, issued on June 10, was assigned to Hach Co. (Loveland, Colo.).
"Turbidimeter cleaning" was invented by Richard Edward Leggett (Dickinson, Texas), Sebastiaan Cornelis Petrus de Heij (Dormagen, Germany) and Vadim B. Malkov (Fort Collins, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment provides a method for cleaning a sample cell of a turbidimeter, including: introducing an apparatus comprising a cleaning component into the sample cell, wherein upon introduction of the apparatus into the sample cell a secondary flow path out of the sample cell is opened; engaging a functionality of the apparatus to clean the sample cell; and rem...