The gas or vapour flow coming from a source where the gas

Official title: {the gas or vapour flow coming from a source where the gas or vapour is not in contact with the liquid or other fluent material to be sprayed, e.g. from a compressive bulb, an air pump or an enclosure surrounding the container}

B05B11/046 (The gas or vapour flow coming from a source where the gas) appears on 33 US grants and 16 published applications in this corpus.