„Party per pale gules and Argent; ahead a chemical copper symbol Argent and rear a radiculared tilia tree vert, above all two horizontal wheat ears, the right Argent, the left vert bonded through a blade .“ 
The arms were granted on April 6, 1966. The copper symbol stands for former copper mines in the area, the tilia tree remember on Antonius of Padua, whom was devoted a chapel. The wheat ear symbolises the aggriculture character of the municipality.
This image is taken from www.ngw.nl – Heraldry of the World –  an international civic heraldry site by Ralf Hartemink. ngw.nl/heraldrywiki/index.php?title=Essentho

Das Wappen von Essentho
Unknown authorUnknown author - constructed and added by Jürgen Krause