United States Patent 9995616B2 “Fluid Monitoring System” of Caterpillar (USA), a giant of heavy machinery from America has made a reference to the article “A Self-Calibration Water Level Measurement Using an Interdigital Capacitive Sensor”. The inventor, Douglas A. Robinsky, who is a researcher at Caterpillar (USA), adopted the concept from the aforementioned article to develop advanced technology in oil level monitoring systems of “track joint” which is part of “Track link” inside Caterpillar products. The article was one of 25 articles most downloaded of the journal 4 years ago.
The article “A Self-Calibration Water Level Measurement Using an Interdigital Capacitive Sensor” is a research by Associate Professor Kanadit Chetpattananondh, Mr. Thitinan Taphaonoi, Associate Professor Dr. Pornchai Phukpattaranont and Associate Professor Dr. Nattha Jindapetch. All are from the Department of Electrical Engineering, Faculty of Engineering, Prince of Songkla University. It was published in the journal “Sensors and Actuators A: Physical” by Elsevier (IF=2.311 and a journal in the Q1 of the web of science).