US Patent Issued to Heidelberger Druckmaschinen on March 4 for "Method for feedback control of the temperature of an ink in inkjet printing" (German Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,250, issued on March 4, was assigned to Heidelberger Druckmaschinen AG (Heidelberg, Germany).

"Method for feedback control of the temperature of an ink in inkjet printing" was invented by Gerald Hauptmann (Bammental, Germany) and Ernst-Christian Maschler (Heidelberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for feedback control of ink temperature in inkjet printing includes pumping ink through supply and return lines of an ink distributor and between these lines through print heads supplied in parallel with the ink, comparing a temperature actual value with a predefined temperature setpoint value and calculating a manipulated ...