US Patent 11963635 Chafing dish systems and devices

A system of interchangeable chafing dish components may comprise a water pan comprising a holding portion configured to receive and hold at least one of liquid and ice, a food pan capable of being restably coupled to the water pan, the food pan comprising an interior portion configured to receive and hold at least one of a food and a liquid, a lid capable of being interchangeably coupled to at least one of the water pan and the food pan, and a plurality of knobs comprising a first knob and a second knob that is different from the first knob, wherein each of the first knob and the second knob is capable of being interchangeably coupled to the lid.