ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,698, issued on June 2, was assigned to CITEX HOLDING GMBH (Melle, Germany).

"THz measurement method and THz measurement device for surveying a measurement object, in particular a pipe" was invented by Roland Bohm (Altenberge, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a THz measuring method for measuring a measured object (6), for example, a pipe made of a plastics or rubber, comprising a calibrating step for measuring an empty time of flight of at least one THz transmission beam through an empty path between a first measuring position (MP1) and a second measuring position (MP2) of a measuring region (4) without t...