Dohmeyer developed a range of large capacity freezers, known as the OptifreezeTM freezers. Optifreeze is the registered trade mark of Dohmeyer, representing a unique Spiral Freezer concept.

Cryogenic tunnels use liquefied carbon dioxide (LCO2) or liquefied nitrogen (LIN) for continuous cooling and freezing.

Unique process to speed up the hardening of the fat glaze in cone products by and instant solidification of the chocolate layer. It improves the protective layer and increases the shelf life of the crispy sugar cone with 4 .. 8 months.

Hardening the roset of impulse ice cream products instantly.