ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,284, issued on Sept. 2, was assigned to GEN-PROBE Inc. (San Diego).
"Systems for differential measurement of a fluid level in a sample receptacle" was invented by Rolf Silbert (Del Mar, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Automated systems and methods determine a level of fluid relative to a rim of a sample receptacle defining an open top of the sample receptacle. The systems and methods utilize a distance sensor to measure the distance between the rim of the sample receptacle and the surface of a fluid sample contained in the sample receptacle, where at least one of the sensor and the sample receptacle is moved relative to the oth...