US Patent Issued to ABB SCHWEIZ on June 9 for "Electrostatic coating plant" (Japanese Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,160, issued on June 9, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).

"Electrostatic coating plant" was invented by Yukio Yamada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The electrostatic coating plant includes an abnormality detection unit that detects abnormalities of a bumper. The detection of the abnormalities can be based on the difference between the level of the high voltage outputted from a high voltage generator, and the voltage level obtained when the electrostatic coating machine, which is not spraying coating material, is placed at a measurement position opposite to and separated by a predetermined separation distance f...